Bob Juch | 17 Apr 15:35 2014

Re: Does enabling performance events require an MQ bounce at all?

Peter,

You can on the mainframe.

Bob Juch
Juch Services LLC

On Thu, Apr 17, 2014 at 8:06 AM, Potkay, Peter M (CTO Architecture + Engineering) <Peter.Potkay <at> thehartford.com> wrote:
Being able to fiddle with the Max Active Channels parameter without having to restart the QM would be nice. Not that this is something that needs to be played with often, but when you find yourself in a situation where you have to up this value, adding a QM restart on top of everything else that is going wrong for you that night is just the icing on the cake!

Peter Potkay

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Re: Does enabling performance events require an MQ bounce at all?

Being able to fiddle with the Max Active Channels parameter without having to restart the QM would be nice.
Not that this is something that needs to be played with often, but when you find yourself in a situation
where you have to up this value, adding a QM restart on top of everything else that is going wrong for you that
night is just the icing on the cake! 

Peter Potkay 

-----Original Message-----
From: MQSeries List
[mailto:MQSERIES@...] On Behalf Of T.Rob
Sent: Wednesday, April 16, 2014 2:50 PM
To: MQSERIES@...
Subject: Re: Does enabling performance events require an MQ bounce at all?

Part of the strategy in moving things from the QM.ini to the QMgr as attributes has specifically been to
distinguish between those items that can be made to be dynamic vs. those that cannot or should not.  You
cannot easily update exits or pluggable services on the fly, for example.  Even where that level of refresh
is technically possible, it introduces too much risk and too large a code path to add that support to a QMgr,
especially after decades of tuning and optimization.

Other things such as the size of the error or transaction logs introduce a security exposure if they can be
changed without a restart.  To erase evidence of an attack, first minimize the log extents, then reset them
to the original values.

The REFRESH SECURITY TYPE(SSL) actually drops the cached in-memory image of the keystore and any
revocation checks and reloads them.  That's why all the connections using those assets must stop to
execute the refresh.
Unfortunately, that's also why it's been necessary to bounce the QMgr to do that refresh at almost every
client I've ever consulted for.  That was a case where making it dynamic created an expectation that
usually cannot be met and was probably a bad decision.

What's left in the qm.ini that you'd reasonably want to make dynamic?

Kind regards,
-- T.Rob

T.Robert Wyatt, Managing partner
IoPT Consulting, LLC
+1 704-443-TROB
https://ioptconsulting.com
https://twitter.com/tdotrob

> -----Original Message-----
> From: MQSeries List
[mailto:MQSERIES@...] On 
> Behalf Of Potkay, Peter M (CTO Architecture + Engineering)
> Sent: Wednesday, April 16, 2014 13:00 PM
> To: MQSERIES@...
> Subject: Re: Does enabling performance events require an MQ bounce at all?
> 
> In general, if you can change the QM property via runmqsc, its 
> dynamic, but if it's something that's controlled by qm.ini or mqs.ini, 
> then it requires a QM restart.
> 
> Hmm, would be nice to have a REFRESH QMINI command....
> 
> 
> 
> Peter Potkay
> 
> -----Original Message-----
> From: MQSeries List
[mailto:MQSERIES@...] On 
> Behalf Of Thomas Dunlap
> Sent: Wednesday, April 16, 2014 5:24 AM
> To: MQSERIES@...
> Subject: Re: Does enabling performance events require an MQ bounce at all?
> 
> Damian,
> 
> I believe all you have to do is alter the queue manager attributes and 
> they take effect immediately.
> 
> Cheers,
> Tom
> 
> 
> On 4/16/2014 4:45 AM, Costa, D. (Damian) wrote:
> > HI y'all,
> > Question is in the topic line......
> > Nuff sed.
> > Caio.
> >
> >
> > ********************
> > Nedbank Limited Reg No 1951/000009/06. The following link displays 
> > the names of the Nedbank Board of Directors and Company Secretary.
> > [ http://www.nedbank.co.za/terms/DirectorsNedbank.htm ] This email 
> > is confidential and is intended for the addressee only.
> > The following link will take you to Nedbank's legal notice.
> > [ http://www.nedbank.co.za/terms/EmailDisclaimer.htm ]
> > ********************
> >
> > To unsubscribe, write to
LISTSERV@... and, in 
> > the message body (not the subject), write: SIGNOFF MQSERIES 
> > Instructions for managing your mailing list subscription are 
> > provided in the Listserv General Users Guide available at 
> > http://www.lsoft.com
> > Archive: http://listserv.meduniwien.ac.at/archives/mqser-l.html
> >
> 
> 
> --
> _______________________________________________________________
> Regards,
> Thomas Dunlap    Chief Technology Officer    tomd@...
> Themis,  Inc.    http://www.themisinc.com    1 (800) 756-3000
> 
> To unsubscribe, write to
LISTSERV@... and, in 
> the message body (not the subject), write: SIGNOFF MQSERIES 
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> ************************************************************
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> immediately by return e-mail, delete this communication and destroy all copies.
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Neil Casey | 17 Apr 03:34 2014
Picon

Re: Does enabling performance events require an MQ bounce at all?

Thanks George,

I checked again, and it was actually 2013, but that’s not really significant I guess. 

Happy to have you vote for it of course. The more votes, the more likely it is to be considered I guess. At least it hasn’t been denied (yet). :-)


Regards,


Neil


-- 
Neil Casey 
Senior Consultant | Syntegrity Solutions

 +61 414 615 334 neil.casey-VLLIzlmz+FrdMLFAM6cFyodd74u8MsAO@public.gmane.org 
Syntegrity Solutions Pty Ltd | Level 23 | 40 City Road | Southgate | VIC 3006
Analyse  >>  Integrate  >>  Secure  >>  Educate


On 17 Apr 2014, at 11:14 am, George Carey <gcarey-QsOFJut1Ekx+cjeuK/JdrQ@public.gmane.org> wrote:

These would be a very useful RFE. 

Buffer tuning can make huge performance improvement

But the manner in which the buffer tuning is configured is , as has been stated by others as well, a complete kludge and an obvious after thought that was never properly implemented.

 
GTC

 
From: MQSeries List [mailto:MQSERIES-0lvw86wZMd9k/bWDasg6f+2wyY2g16FtwPuJ0ROkVbw@public.gmane.org] On Behalf Of Neil Casey
Sent: Wednesday, April 16, 2014 6:33 PM
To: MQSERIES-0lvw86wZMd9k/bWDasg6f+2wyY2g16FtwPuJ0ROkVbw@public.gmane.org
Subject: Re: Does enabling performance events require an MQ bounce at all?

 

Hi T.Rob,

 

I’d like to see queue buffer tuning outside of qm.ini, and not requiring 2 QM restarts and redefinition of each queue.

 

I raised an RFE about it back in 2012, but it has languished ever since.

 

 

Neil


-- 
Neil Casey 
Senior Consultant | Syntegrity Solutions

<image001.jpg> +61 414 615 334<image002.jpg> neil.casey-VLLIzlmz+FrdMLFAM6cFyodd74u8MsAO@public.gmane.org 

Syntegrity Solutions Pty Ltd | Level 23 | 40 City Road | Southgate | VIC 3006

Analyse  >>  Integrate  >>  Secure  >>  Educate


<image003.png>


On 17 Apr 2014, at 4:50 am, T.Rob <t.rob-CkT6zf+urXSzW/GOMZKyElesiRL1/sJc@public.gmane.org> wrote:


Part of the strategy in moving things from the QM.ini to the QMgr as
attributes has specifically been to distinguish between those items that can
be made to be dynamic vs. those that cannot or should not.  You cannot
easily update exits or pluggable services on the fly, for example.  Even
where that level of refresh is technically possible, it introduces too much
risk and too large a code path to add that support to a QMgr, especially
after decades of tuning and optimization.

Other things such as the size of the error or transaction logs introduce a
security exposure if they can be changed without a restart.  To erase
evidence of an attack, first minimize the log extents, then reset them to
the original values.

The REFRESH SECURITY TYPE(SSL) actually drops the cached in-memory image of
the keystore and any revocation checks and reloads them.  That's why all the
connections using those assets must stop to execute the refresh.
Unfortunately, that's also why it's been necessary to bounce the QMgr to do
that refresh at almost every client I've ever consulted for.  That was a
case where making it dynamic created an expectation that usually cannot be
met and was probably a bad decision.

What's left in the qm.ini that you'd reasonably want to make dynamic?


Kind regards,
-- T.Rob

T.Robert Wyatt, Managing partner
IoPT Consulting, LLC
+1 704-443-TROB
https://ioptconsulting.com
https://twitter.com/tdotrob


-----Original Message-----
From: MQSeries List [mailto:MQSERIES-0lvw86wZMd9k/bWDasg6f+2wyY2g16FtwPuJ0ROkVbw@public.gmane.org] On Behalf
Of Potkay, Peter M (CTO Architecture + Engineering)
Sent: Wednesday, April 16, 2014 13:00 PM
To: MQSERIES-0lvw86wZMd9k/bWDasg6f+2wyY2g16FtwPuJ0ROkVbw@public.gmane.org
Subject: Re: Does enabling performance events require an MQ bounce at all?

In general, if you can change the QM property via runmqsc, its dynamic,
but if it's something that's controlled by qm.ini or mqs.ini, then it
requires a QM restart.

Hmm, would be nice to have a REFRESH QMINI command....



Peter Potkay

-----Original Message-----
From: MQSeries List [mailto:MQSERIES-0lvw86wZMd9k/bWDasg6f+2wyY2g16FtwPuJ0ROkVbw@public.gmane.org] On Behalf
Of Thomas Dunlap
Sent: Wednesday, April 16, 2014 5:24 AM
To: MQSERIES-0lvw86wZMd9k/bWDasg6f+2wyY2g16FtwPuJ0ROkVbw@public.gmane.org
Subject: Re: Does enabling performance events require an MQ bounce at all?

Damian,

I believe all you have to do is alter the queue manager attributes and
they take effect immediately.

Cheers,
Tom


On 4/16/2014 4:45 AM, Costa, D. (Damian) wrote:

HI y'all,
Question is in the topic line......
Nuff sed.
Caio.


********************
Nedbank Limited Reg No 1951/000009/06. The following link displays the
names of the Nedbank Board of Directors and Company Secretary.
[ http://www.nedbank.co.za/terms/DirectorsNedbank.htm ] This email is
confidential and is intended for the addressee only.
The following link will take you to Nedbank's legal notice.
[ http://www.nedbank.co.za/terms/EmailDisclaimer.htm ]
********************

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--
_______________________________________________________________
Regards,
Thomas Dunlap    Chief Technology Officer    tomd-lQL1WHg3ccB8UrSeD/g0lQ@public.gmane.org
Themis,  Inc.    http://www.themisinc.com    1 (800) 756-3000

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return e-mail, delete this communication and destroy all copies.
************************************************************

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George Carey | 17 Apr 03:14 2014

Re: Does enabling performance events require an MQ bounce at all?

These would be a very useful RFE. 

Buffer tuning can make huge performance improvement

But the manner in which the buffer tuning is configured is , as has been stated by others as well, a complete kludge and an obvious after thought that was never properly implemented.

 

GTC

 

From: MQSeries List [mailto:MQSERIES-0lvw86wZMd9k/bWDasg6f+2wyY2g16FtwPuJ0ROkVbw@public.gmane.org] On Behalf Of Neil Casey
Sent: Wednesday, April 16, 2014 6:33 PM
To: MQSERIES-0lvw86wZMd9k/bWDasg6f+2wyY2g16FtwPuJ0ROkVbw@public.gmane.org
Subject: Re: Does enabling performance events require an MQ bounce at all?

 

Hi T.Rob,

 

I’d like to see queue buffer tuning outside of qm.ini, and not requiring 2 QM restarts and redefinition of each queue.

 

I raised an RFE about it back in 2012, but it has languished ever since.

 

 

Neil


-- 
Neil Casey 
Senior Consultant | Syntegrity Solutions

 +61 414 615 334 neil.casey-VLLIzlmz+FrdMLFAM6cFyodd74u8MsAO@public.gmane.org 

Syntegrity Solutions Pty Ltd | Level 23 | 40 City Road | Southgate | VIC 3006

Analyse  >>  Integrate  >>  Secure  >>  Educate



On 17 Apr 2014, at 4:50 am, T.Rob <t.rob-CkT6zf+urXSzW/GOMZKyElesiRL1/sJc@public.gmane.org> wrote:


Part of the strategy in moving things from the QM.ini to the QMgr as
attributes has specifically been to distinguish between those items that can
be made to be dynamic vs. those that cannot or should not.  You cannot
easily update exits or pluggable services on the fly, for example.  Even
where that level of refresh is technically possible, it introduces too much
risk and too large a code path to add that support to a QMgr, especially
after decades of tuning and optimization.

Other things such as the size of the error or transaction logs introduce a
security exposure if they can be changed without a restart.  To erase
evidence of an attack, first minimize the log extents, then reset them to
the original values.

The REFRESH SECURITY TYPE(SSL) actually drops the cached in-memory image of
the keystore and any revocation checks and reloads them.  That's why all the
connections using those assets must stop to execute the refresh.
Unfortunately, that's also why it's been necessary to bounce the QMgr to do
that refresh at almost every client I've ever consulted for.  That was a
case where making it dynamic created an expectation that usually cannot be
met and was probably a bad decision.

What's left in the qm.ini that you'd reasonably want to make dynamic?


Kind regards,
-- T.Rob

T.Robert Wyatt, Managing partner
IoPT Consulting, LLC
+1 704-443-TROB
https://ioptconsulting.com
https://twitter.com/tdotrob


-----Original Message-----
From: MQSeries List [mailto:MQSERIES <at> LISTSERV.MEDUNIWIEN.AC.AT] On Behalf
Of Potkay, Peter M (CTO Architecture + Engineering)
Sent: Wednesday, April 16, 2014 13:00 PM
To: MQSERIES-0lvw86wZMd8hNtF/PevU8w@public.gmane.orgNIWIEN.AC.AT
Subject: Re: Does enabling performance events require an MQ bounce at all?

In general, if you can change the QM property via runmqsc, its dynamic,
but if it's something that's controlled by qm.ini or mqs.ini, then it
requires a QM restart.

Hmm, would be nice to have a REFRESH QMINI command....



Peter Potkay

-----Original Message-----
From: MQSeries List [mailto:MQSERIES <at> LISTSERV.MEDUNIWIEN.AC.AT] On Behalf
Of Thomas Dunlap
Sent: Wednesday, April 16, 2014 5:24 AM
To: MQSERIES-0lvw86wZMd8hNtF/PevU8w@public.gmane.orgNIWIEN.AC.AT
Subject: Re: Does enabling performance events require an MQ bounce at all?

Damian,

I believe all you have to do is alter the queue manager attributes and
they take effect immediately.

Cheers,
Tom


On 4/16/2014 4:45 AM, Costa, D. (Damian) wrote:

HI y'all,
Question is in the topic line......
Nuff sed.
Caio.


********************
Nedbank Limited Reg No 1951/000009/06. The following link displays the
names of the Nedbank Board of Directors and Company Secretary.
[ http://www.nedbank.co.za/terms/DirectorsNedbank.htm ] This email is
confidential and is intended for the addressee only.
The following link will take you to Nedbank's legal notice.
[ http://www.nedbank.co.za/terms/EmailDisclaimer.htm ]
********************

To unsubscribe, write to LISTSERV-0lvw86wZMd8hNtF/PevU8w@public.gmane.orgNIWIEN.AC.AT and, in
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--
_______________________________________________________________
Regards,
Thomas Dunlap    Chief Technology Officer    tomd-lQL1WHg3ccB8UrSeD/g0lQ@public.gmane.org
Themis,  Inc.    http://www.themisinc.com    1 (800) 756-3000

To unsubscribe, write to LISTSERV-0lvw86wZMd8hNtF/PevU8w@public.gmane.orgNIWIEN.AC.AT and, in the
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addressee and may contain proprietary, confidential and/or privileged
information.  If you are not the intended recipient, any use, copying,
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are not the intended recipient, please notify the sender immediately by
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************************************************************

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Neil Casey | 17 Apr 00:32 2014
Picon

Re: Does enabling performance events require an MQ bounce at all?

Hi T.Rob,

I’d like to see queue buffer tuning outside of qm.ini, and not requiring 2 QM restarts and redefinition of each queue.

I raised an RFE about it back in 2012, but it has languished ever since.


Neil


-- 
Neil Casey 
Senior Consultant | Syntegrity Solutions

 +61 414 615 334 neil.casey-VLLIzlmz+FrdMLFAM6cFyodd74u8MsAO@public.gmane.org 
Syntegrity Solutions Pty Ltd | Level 23 | 40 City Road | Southgate | VIC 3006
Analyse  >>  Integrate  >>  Secure  >>  Educate


On 17 Apr 2014, at 4:50 am, T.Rob <t.rob-CkT6zf+urXSzW/GOMZKyElesiRL1/sJc@public.gmane.org> wrote:

Part of the strategy in moving things from the QM.ini to the QMgr as
attributes has specifically been to distinguish between those items that can
be made to be dynamic vs. those that cannot or should not.  You cannot
easily update exits or pluggable services on the fly, for example.  Even
where that level of refresh is technically possible, it introduces too much
risk and too large a code path to add that support to a QMgr, especially
after decades of tuning and optimization.

Other things such as the size of the error or transaction logs introduce a
security exposure if they can be changed without a restart.  To erase
evidence of an attack, first minimize the log extents, then reset them to
the original values.

The REFRESH SECURITY TYPE(SSL) actually drops the cached in-memory image of
the keystore and any revocation checks and reloads them.  That's why all the
connections using those assets must stop to execute the refresh.
Unfortunately, that's also why it's been necessary to bounce the QMgr to do
that refresh at almost every client I've ever consulted for.  That was a
case where making it dynamic created an expectation that usually cannot be
met and was probably a bad decision.

What's left in the qm.ini that you'd reasonably want to make dynamic?


Kind regards,
-- T.Rob

T.Robert Wyatt, Managing partner
IoPT Consulting, LLC
+1 704-443-TROB
https://ioptconsulting.com
https://twitter.com/tdotrob

-----Original Message-----
From: MQSeries List [mailto:MQSERIES-0lvw86wZMd9k/bWDasg6f+2wyY2g16FtwPuJ0ROkVbw@public.gmane.org] On Behalf
Of Potkay, Peter M (CTO Architecture + Engineering)
Sent: Wednesday, April 16, 2014 13:00 PM
To: MQSERIES-0lvw86wZMd9k/bWDasg6f+2wyY2g16FtwPuJ0ROkVbw@public.gmane.org
Subject: Re: Does enabling performance events require an MQ bounce at all?

In general, if you can change the QM property via runmqsc, its dynamic,
but if it's something that's controlled by qm.ini or mqs.ini, then it
requires a QM restart.

Hmm, would be nice to have a REFRESH QMINI command....



Peter Potkay

-----Original Message-----
From: MQSeries List [mailto:MQSERIES-0lvw86wZMd9k/bWDasg6f+2wyY2g16FtwPuJ0ROkVbw@public.gmane.org] On Behalf
Of Thomas Dunlap
Sent: Wednesday, April 16, 2014 5:24 AM
To: MQSERIES-0lvw86wZMd9k/bWDasg6f+2wyY2g16FtwPuJ0ROkVbw@public.gmane.org
Subject: Re: Does enabling performance events require an MQ bounce at all?

Damian,

I believe all you have to do is alter the queue manager attributes and
they take effect immediately.

Cheers,
Tom


On 4/16/2014 4:45 AM, Costa, D. (Damian) wrote:
HI y'all,
Question is in the topic line......
Nuff sed.
Caio.


********************
Nedbank Limited Reg No 1951/000009/06. The following link displays the
names of the Nedbank Board of Directors and Company Secretary.
[ http://www.nedbank.co.za/terms/DirectorsNedbank.htm ] This email is
confidential and is intended for the addressee only.
The following link will take you to Nedbank's legal notice.
[ http://www.nedbank.co.za/terms/EmailDisclaimer.htm ]
********************

To unsubscribe, write to LISTSERV-0lvw86wZMd9k/bWDasg6f+2wyY2g16FtwPuJ0ROkVbw@public.gmane.org and, in
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T.Rob | 16 Apr 20:50 2014

Re: Does enabling performance events require an MQ bounce at all?

Part of the strategy in moving things from the QM.ini to the QMgr as
attributes has specifically been to distinguish between those items that can
be made to be dynamic vs. those that cannot or should not.  You cannot
easily update exits or pluggable services on the fly, for example.  Even
where that level of refresh is technically possible, it introduces too much
risk and too large a code path to add that support to a QMgr, especially
after decades of tuning and optimization.

Other things such as the size of the error or transaction logs introduce a
security exposure if they can be changed without a restart.  To erase
evidence of an attack, first minimize the log extents, then reset them to
the original values.

The REFRESH SECURITY TYPE(SSL) actually drops the cached in-memory image of
the keystore and any revocation checks and reloads them.  That's why all the
connections using those assets must stop to execute the refresh.
Unfortunately, that's also why it's been necessary to bounce the QMgr to do
that refresh at almost every client I've ever consulted for.  That was a
case where making it dynamic created an expectation that usually cannot be
met and was probably a bad decision.

What's left in the qm.ini that you'd reasonably want to make dynamic?

Kind regards,
-- T.Rob

T.Robert Wyatt, Managing partner
IoPT Consulting, LLC
+1 704-443-TROB
https://ioptconsulting.com
https://twitter.com/tdotrob

> -----Original Message-----
> From: MQSeries List
[mailto:MQSERIES@...] On Behalf
> Of Potkay, Peter M (CTO Architecture + Engineering)
> Sent: Wednesday, April 16, 2014 13:00 PM
> To: MQSERIES@...
> Subject: Re: Does enabling performance events require an MQ bounce at all?
> 
> In general, if you can change the QM property via runmqsc, its dynamic,
> but if it's something that's controlled by qm.ini or mqs.ini, then it
> requires a QM restart.
> 
> Hmm, would be nice to have a REFRESH QMINI command....
> 
> 
> 
> Peter Potkay
> 
> -----Original Message-----
> From: MQSeries List
[mailto:MQSERIES@...] On Behalf
> Of Thomas Dunlap
> Sent: Wednesday, April 16, 2014 5:24 AM
> To: MQSERIES@...
> Subject: Re: Does enabling performance events require an MQ bounce at all?
> 
> Damian,
> 
> I believe all you have to do is alter the queue manager attributes and
> they take effect immediately.
> 
> Cheers,
> Tom
> 
> 
> On 4/16/2014 4:45 AM, Costa, D. (Damian) wrote:
> > HI y'all,
> > Question is in the topic line......
> > Nuff sed.
> > Caio.
> >
> >
> > ********************
> > Nedbank Limited Reg No 1951/000009/06. The following link displays the
> > names of the Nedbank Board of Directors and Company Secretary.
> > [ http://www.nedbank.co.za/terms/DirectorsNedbank.htm ] This email is
> > confidential and is intended for the addressee only.
> > The following link will take you to Nedbank's legal notice.
> > [ http://www.nedbank.co.za/terms/EmailDisclaimer.htm ]
> > ********************
> >
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> > Archive: http://listserv.meduniwien.ac.at/archives/mqser-l.html
> >
> 
> 
> --
> _______________________________________________________________
> Regards,
> Thomas Dunlap    Chief Technology Officer    tomd@...
> Themis,  Inc.    http://www.themisinc.com    1 (800) 756-3000
> 
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Re: Does enabling performance events require an MQ bounce at all?

In general, if you can change the QM property via runmqsc, its dynamic, but if it's something that's
controlled by qm.ini or mqs.ini, then it requires a QM restart.

Hmm, would be nice to have a REFRESH QMINI command....

Peter Potkay 

-----Original Message-----
From: MQSeries List
[mailto:MQSERIES@...] On Behalf Of
Thomas Dunlap
Sent: Wednesday, April 16, 2014 5:24 AM
To: MQSERIES@...
Subject: Re: Does enabling performance events require an MQ bounce at all?

Damian,

I believe all you have to do is alter the queue manager attributes and they take effect immediately.

Cheers,
Tom

On 4/16/2014 4:45 AM, Costa, D. (Damian) wrote:
> HI y'all,
> Question is in the topic line......
> Nuff sed.
> Caio.
>
>
> ********************
> Nedbank Limited Reg No 1951/000009/06. The following link displays the 
> names of the Nedbank Board of Directors and Company Secretary.
> [ http://www.nedbank.co.za/terms/DirectorsNedbank.htm ] This email is 
> confidential and is intended for the addressee only.
> The following link will take you to Nedbank's legal notice.
> [ http://www.nedbank.co.za/terms/EmailDisclaimer.htm ]
> ********************
>
> To unsubscribe, write to
LISTSERV@... and, in 
> the message body (not the subject), write: SIGNOFF MQSERIES 
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> Archive: http://listserv.meduniwien.ac.at/archives/mqser-l.html
>

--
_______________________________________________________________
Regards,
Thomas Dunlap    Chief Technology Officer    tomd@...
Themis,  Inc.    http://www.themisinc.com    1 (800) 756-3000

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Thomas Dunlap | 16 Apr 11:23 2014
Picon
Picon

Re: Does enabling performance events require an MQ bounce at all?

Damian,

I believe all you have to do is alter the queue manager attributes and 
they take effect immediately.

Cheers,
Tom

On 4/16/2014 4:45 AM, Costa, D. (Damian) wrote:
> HI y'all,
> Question is in the topic line......
> Nuff sed.
> Caio.
>
>
> ********************
> Nedbank Limited Reg No 1951/000009/06. The following link displays
> the names of the Nedbank Board of Directors and Company Secretary.
> [ http://www.nedbank.co.za/terms/DirectorsNedbank.htm ]
> This email is confidential and is intended for the addressee only.
> The following link will take you to Nedbank's legal notice.
> [ http://www.nedbank.co.za/terms/EmailDisclaimer.htm ]
> ********************
>
> To unsubscribe, write to
LISTSERV@... and,
> in the message body (not the subject), write: SIGNOFF MQSERIES
> Instructions for managing your mailing list subscription are provided in
> the Listserv General Users Guide available at http://www.lsoft.com
> Archive: http://listserv.meduniwien.ac.at/archives/mqser-l.html
>

--

-- 
_______________________________________________________________
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Thomas Dunlap    Chief Technology Officer    tomd@...
Themis,  Inc.    http://www.themisinc.com    1 (800) 756-3000

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Costa, D. (Damian | 16 Apr 10:45 2014
Picon

Does enabling performance events require an MQ bounce at all?

HI y'all,
Question is in the topic line......
Nuff sed.
Caio.

********************
Nedbank Limited Reg No 1951/000009/06. The following link displays
the names of the Nedbank Board of Directors and Company Secretary.
[ http://www.nedbank.co.za/terms/DirectorsNedbank.htm ]
This email is confidential and is intended for the addressee only.
The following link will take you to Nedbank's legal notice.
[ http://www.nedbank.co.za/terms/EmailDisclaimer.htm ]
********************

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Barton, Linda | 15 Apr 19:58 2014
Picon

Re: AIX ulimits filesize of 4194304 - 2 gig queue size? UPDATE

UPDATE:

I checked with the AIX guys and they said it should be dynamic, that the “file” should be able to get the space when it needed it.

I tested by putting messages to the queue to make it go over the 1 gig size, it failed.

So I deleted and redefined the queue and did the same test, it failed at 1 gig again.

Then I did it on a server that had been rebooted since the Ulimit –f change and I was able to get to the 2 gig size.

 

So, a reboot or a restart of the queue manager is required.   Not sure about the qmgr restart because I did not test it.

 

 

 

 

Linda Barton

 

 

 

From: MQSeries List [mailto:MQSERIES-0lvw86wZMd9k/bWDasg6f+2wyY2g16FtwPuJ0ROkVbw@public.gmane.org] On Behalf Of Tim Zielke
Sent: Wednesday, February 12, 2014 9:31 AM
To: MQSERIES-0lvw86wZMd9k/bWDasg6f+2wyY2g16FtwPuJ0ROkVbw@public.gmane.org
Subject: Re: AIX ulimits filesize of 4194304 - 2 gig queue size?

 

It would definitely be best for Linda to check with the AIX support team to get a definitive answer.

 

Maybe there is something MQ is storing internally that needs to be reset with a queue deletion/recreation, but it does not make sense to me why this would be needed.  A user resource limit like max file size is specific to a process.  When the process gets created, this value gets stored in a data structure and then the operating system will check this value when the process tries to do system calls (i.e write) to increase the file size.  If the operating system detects that the system call would bring the file size over the max limit, it fails the system call and returns an error code to the process.  So it does not make sense to me why a file would need to be deleted/created based on a user resource limit change like max file size.  But maybe I am missing something.  It wouldn’t be the first time. J

 

Thanks,

Tim

 

 

 

From: MQSeries List [mailto:MQSERIES-0lvw86wZMd9k/bWDasg6f+2wyY2g16FtwPuJ0ROkVbw@public.gmane.org] On Behalf Of Jefferson Lowrey
Sent: Wednesday, February 12, 2014 8:18 AM
To: MQSERIES <at> LISTSERV.MEDUNIWIEN.AC.AT
Subject: Re: AIX ulimits filesize of 4194304 - 2 gig queue size?

 

To the best of my - albeit limited and outdated - knowledge, ulimit changes do not affect existing files.  So you would need to delete and recreate the queues because you need to delete and recreate the q storage files.

It's worth a review with your AIX support team.

Thank you,

Jeff Lowrey



From:        "Barton, Linda" <LINDA.BARTON-FtnPrPJGdgViKvMTaIzqBXzNABE0Ld/Y@public.gmane.org>
To:        MQSERIES-JX7+OpRa80Ties2YCUG/8A@public.gmane.orgniwien.ac.at,
Date:        02/12/2014 09:09 AM
Subject:        Re: [MQSERIES] AIX ulimits filesize of 4194304 - 2 gig queue size?
Sent by:        MQSeries List <MQSERIES-JX7+OpRa80QeFbOYke1v4oOpTq8/W97FXqFh9Ls21Oc@public.gmane.org>




The UNIX team updated the AIX /etc/security/limits for mqm.  I imagine they forgot to execute the chuser command to implement the change because on one server, the setting is OK, but when I issue the Ulimit -f command, it still shows the old value.

I am pretty sure I need to delete/define any existing queues that I want to have pick up the higher limit. I forget where I read this...


Linda Barton



-----Original Message-----
From: MQSeries List [
mailto:MQSERIES <at> LISTSERV.MEDUNIWIEN.AC.AT] On Behalf Of Tim Zielke
Sent: Tuesday, February 11, 2014 6:14 PM
To: MQSERIES <at> LISTSERV.MEDUNIWIEN.AC.AT
Subject: Re: AIX ulimits filesize of 4194304 - 2 gig queue size?

Hi Linda,

Do you have more details in how the file size resource limit change for mqm was implemented?

Did a Unix systems administrator perform the change?  If so, they could better speak to the effect of what was done, but more than likely the queue manager would have to be restarted for new processes to pick up that file size resource limit change.  At least that is what I would anticipate.

Or did you update a queue manager start up script to set the ulimit before starting the queue manager?  In this case, I would assume a restart of the queue manager would be required, as well.

I am not aware of a way to dynamically inject a resource limit change into a running process, but maybe that does exist on Unix systems like AIX.

You shouldn't need to delete/define any files.  You are changing a file size resource limit, and resource limits are specific to a process, not to a file.  Any new mqm processes should pick up the increased file size resource limit and then be able to create larger files.  

Thanks,
Tim

-----Original Message-----
From: MQSeries List [
mailto:MQSERIES <at> LISTSERV.MEDUNIWIEN.AC.AT] On Behalf Of Barton, Linda
Sent: Tuesday, February 11, 2014 2:33 PM
To: MQSERIES <at> LISTSERV.MEDUNIWIEN.AC.AT
Subject: Re: AIX ulimits filesize of 4194304 - 2 gig queue size?

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So now that I have Ulimit -f set to 4194304 on my servers for mqm, I believ=
e I only have to delete/define the queues that need to take advantage of th=
e larger size.  Would there be a reason to recycle the queue manager?  Mayb=
e for the log files?


Linda Barton



From: Barton, Linda
Sent: Thursday, January 30, 2014 4:59 PM
To: 'MQSeries List'
Subject: RE: AIX ulimits filesize of 4194304 - 2 gig queue size?

They use 4194302 and not 4194304.  Not sure why.


Linda Barton
Liberty Mutual Insurance


From: MQSeries List [
mailto:MQSERIES <at> LISTSERV.MEDUNIWIEN.AC.AT] On Behalf O=
f Tim Zielke
Sent: Thursday, January 30, 2014 4:52 PM
To: MQSERIES <at> LISTSERV.MEDUNIWIEN.AC.AT
Subject: Re: AIX ulimits filesize of 4194304 - 2 gig queue size?

You're welcome.  Incidentally, 4,194,304 x 512 =3D 2,147,483,648 (2 gigabyt=
es).  I wonder if they meant to say 4,194,304 in their tech note, but maybe=
they had a reason for going slightly under 2 gig.

From: MQSeries List [
mailto:MQSERIES <at> LISTSERV.MEDUNIWIEN.AC.AT] On Behalf O=
f Barton, Linda
Sent: Thursday, January 30, 2014 3:42 PM
To: MQSERIES-0lvw86wZMd9k/bWDasg6f+2wyY2g16FtwPuJ0ROkVbw@public.gmane.org<
mailto:MQSERIES-0lvw86wZMd9k/bWDasg6fz0nGCXTTDWa@public.gmane.org=
AC.AT>
Subject: Re: AIX ulimits filesize of 4194304 - 2 gig queue size?

Ah HA!
Thanks!


Linda Barton
Liberty Mutual Insurance



From: MQSeries List [
mailto:MQSERIES <at> LISTSERV.MEDUNIWIEN.AC.AT] On Behalf O=
f Tim Zielke
Sent: Thursday, January 30, 2014 4:38 PM
To: MQSERIES-0lvw86wZMd9k/bWDasg6f+2wyY2g16FtwPuJ0ROkVbw@public.gmane.org<
mailto:MQSERIES-0lvw86wZMd9k/bWDasg6fz0nGCXTTDWa@public.gmane.org=
AC.AT>
Subject: Re: AIX ulimits filesize of 4194304 - 2 gig queue size?

Hi Linda,

To answer your question:

"My question is, how can "The user file limit of 4194302 will allow a 2 Gi=
gabyte queue file. "?

4194302 is 4 megabytes..."

It looks like in AIX that ulimit -f is in 512 byte blocks.  So 4194302 x 51=
2 =3D 2,147,482,624 bytes (which is very close to 2 gigabytes).

Thanks,
Tim


From: MQSeries List [
mailto:MQSERIES <at> LISTSERV.MEDUNIWIEN.AC.AT] On Behalf O=
f Barton, Linda
Sent: Thursday, January 30, 2014 3:26 PM
To: MQSERIES-0lvw86wZMd9k/bWDasg6f+2wyY2g16FtwPuJ0ROkVbw@public.gmane.org<
mailto:MQSERIES-0lvw86wZMd9k/bWDasg6fz0nGCXTTDWa@public.gmane.org=
AC.AT>
Subject: Re: AIX ulimits filesize of 4194304 - 2 gig queue size?

Great!  Thanks.  I will look in to that.


Linda Barton
Liberty Mutual Insurance



From: MQSeries List [
mailto:MQSERIES <at> LISTSERV.MEDUNIWIEN.AC.AT] On Behalf O=
f Coombs, Lawrence
Sent: Thursday, January 30, 2014 12:37 PM
To: MQSERIES-0lvw86wZMd9k/bWDasg6f+2wyY2g16FtwPuJ0ROkVbw@public.gmane.org<
mailto:MQSERIES-0lvw86wZMd9k/bWDasg6fz0nGCXTTDWa@public.gmane.org=
AC.AT>
Subject: Re: AIX ulimits filesize of 4194304 - 2 gig queue size?

Create file systems with large file support

The standard file system on AIX has a 2 GB file size limit, regardless of t=
he ulimit setting. One way to enable files larger than the 2 GB limit is to=
create the file system with the Large File Enabled option. This option can=
be found through the Add a Journaled File System option of the smit menu. =
Refer to AIX documentation for additional information and file system optio=
ns.

We set ours to: unlimited

From: MQSeries List [
mailto:MQSERIES <at> LISTSERV.MEDUNIWIEN.AC.AT] On Behalf O=
f Barton, Linda
Sent: Thursday, January 30, 2014 10:30 AM
To: MQSERIES-0lvw86wZMd9k/bWDasg6f+2wyY2g16FtwPuJ0ROkVbw@public.gmane.org<
mailto:MQSERIES-0lvw86wZMd9k/bWDasg6fz0nGCXTTDWa@public.gmane.org=
AC.AT>
Subject: AIX ulimits filesize of 4194304 - 2 gig queue size?

Hi, My applications are sending some large messages and getting the MQRC 20=
56 error code.  The fs space is ok so I need to increase the Ulimit -f to a=
n acceptable size.  It is currently set to 2097151.  The largest message I =
have seen so far is 3888786 bytes.  We don't get the error for every messag=
e that exceeds the 2097151 file size, so there must be some translation, or=
maybe 2097151 is in blocks?

Can someone help clear this up for me?
Thanks!

I read this technote:
http://www-01.ibm.com/support/docview.wss?uid=3Dswg21194240 which is pasted=
below.

My question is, how can "The user file limit of 4194302 will allow a 2 Giga=
byte queue file. "?

4194302 is 4 megabytes...


WMQ error code 2056 Queue space not available on an MQPUT




Technote (troubleshooting)



Problem(Abstract)

You put a message to a Websphere MQ (WMQ) queue, and the following is retur=
ned to your application:

2056 0x00000808 MQRC_Q_SPACE_NOT_AVAILABLE

Cause


The user file limit restricted the size of the queue file.

Resolving the problem


Configure your file system for larger queue files

Set your hard file limit, if necessary, "ulimit -Hf 4194302".
Set your user file limit, "ulimit -f 4194302".


The user file limit of 4194302 will allow a 2 Gigabyte queue file.



Additional information

Command "df" reports a block size of 512.

Command "ulimit -f" reports a size < 4194302


Linda Barton
Liberty Mutual






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<div class=3D"WordSection1">
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">So now that I have Ulimit=
&#8211;f set to 4194304 on my servers for mqm, I believe I only have to de=
lete/define the queues that need to take advantage of the larger
size.&nbsp; Would there be a reason to recycle the queue manager?&nbsp; Ma=
ybe for the log files?<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<div>
<p class=3D"MsoNormal"><b><i><span style=3D"font-size:10.0pt;font-family:&q=
uot;Tahoma&quot;,&quot;sans-serif&quot;;color:navy"><o:p>&nbsp;</o:p></span=
></i></b></p>
<p class=3D"MsoNormal"><b><i><span style=3D"font-size:10.0pt;font-family:&q=
uot;Tahoma&quot;,&quot;sans-serif&quot;;color:navy">Linda Barton</span></i>=
</b><span style=3D"font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;s=
ans-serif&quot;;color:#1F497D">
<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"margin-left:.5in;text-autospace:none"><span=
style=3D"font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif=
&quot;;color:black"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
</div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal" style=3D"margin-left:.5in"><b><span style=3D"font-si=
ze:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;">From:</spa=
n></b><span style=3D"font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;=
sans-serif&quot;"> Barton, Linda
<br>
<b>Sent:</b> Thursday, January 30, 2014 4:59 PM<br>
<b>To:</b> 'MQSeries List'<br>
<b>Subject:</b> RE: AIX ulimits filesize of 4194304 - 2 gig queue size?<o:p=
></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal" style=3D"margin-left:.5in"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal" style=3D"margin-left:.5in"><span style=3D"font-size:=
11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D=
">They use 4194302 and not 4194304.&nbsp; Not sure why.<o:p></o:p></span></=
p>
<p class=3D"MsoNormal" style=3D"margin-left:.5in"><span style=3D"font-size:=
11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D=
"><o:p>&nbsp;</o:p></span></p>
<div>
<p class=3D"MsoNormal" style=3D"margin-left:.5in"><b><i><span style=3D"font=
-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;;color:na=
vy"><o:p>&nbsp;</o:p></span></i></b></p>
<p class=3D"MsoNormal" style=3D"margin-left:.5in"><b><i><span style=3D"font=
-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;;color:na=
vy">Linda Barton</span></i></b><span style=3D"font-size:11.0pt;font-family:=
&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">
<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"margin-left:.5in"><b><i><span style=3D"font=
-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#=
1F497D">Liberty Mutual Insurance<o:p></o:p></span></i></b></p>
<p class=3D"MsoNormal" style=3D"margin-left:.5in"><span style=3D"font-size:=
11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D=
"><o:p>&nbsp;</o:p></span></p>
</div>
<p class=3D"MsoNormal" style=3D"margin-left:.5in"><span style=3D"font-size:=
11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D=
"><o:p>&nbsp;</o:p></span></p>
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal" style=3D"margin-left:1.0in"><b><span style=3D"font-s=
ize:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;">From:</sp=
an></b><span style=3D"font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot=
;sans-serif&quot;"> MQSeries List [
mailto:MQSERIES-0lvw86wZMd9k/bWDasg6f+2wyY2g16Ft@public.gmane.org=
T]
<b>On Behalf Of </b>Tim Zielke<br>
<b>Sent:</b> Thursday, January 30, 2014 4:52 PM<br>
<b>To:</b> MQSERIES-0lvw86wZMd9k/bWDasg6f+2wyY2g16FtwPuJ0ROkVbw@public.gmane.org<br>
<b>Subject:</b> Re: AIX ulimits filesize of 4194304 - 2 gig queue size?<o:p=
></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal" style=3D"margin-left:1.0in"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal" style=3D"margin-left:1.0in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497=
D">You're welcome.&nbsp; Incidentally, 4,194,304 x 512 =3D 2,147,483,648 (2=
gigabytes).&nbsp; I wonder if they meant to say 4,194,304 in their tech
note, but maybe they had a reason for going slightly under 2 gig.<o:p></o:=
p></span></p>
<p class=3D"MsoNormal" style=3D"margin-left:1.0in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497=
D"><o:p>&nbsp;</o:p></span></p>
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal" style=3D"margin-left:1.0in"><b><span style=3D"font-s=
ize:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;">From:</sp=
an></b><span style=3D"font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot=
;sans-serif&quot;"> MQSeries List [<a href=3D"
mailto:MQSERIES-0lvw86wZMd8hNtF/PevU8w@public.gmane.org=
NIWIEN.AC.AT">
mailto:MQSERIES <at> LISTSERV.MEDUNIWIEN.AC.AT</a>]
<b>On Behalf Of </b>Barton, Linda<br>
<b>Sent:</b> Thursday, January 30, 2014 3:42 PM<br>
<b>To:</b> <a href=3D"
mailto:MQSERIES-0lvw86wZMd9k/bWDasg6f+2wyY2g16FtwPuJ0ROkVbw@public.gmane.org">MQSERIES <at> L=
ISTSERV.MEDUNIWIEN.AC.AT</a><br>
<b>Subject:</b> Re: AIX ulimits filesize of 4194304 - 2 gig queue size?<o:p=
></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal" style=3D"margin-left:1.0in"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal" style=3D"margin-left:1.0in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497=
D">Ah HA!<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"margin-left:1.0in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497=
D">Thanks!<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"margin-left:1.0in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497=
D"><o:p>&nbsp;</o:p></span></p>
<div>
<p class=3D"MsoNormal" style=3D"margin-left:1.0in"><b><i><span style=3D"fon=
t-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;;color:n=
avy"><o:p>&nbsp;</o:p></span></i></b></p>
<p class=3D"MsoNormal" style=3D"margin-left:1.0in"><b><i><span style=3D"fon=
t-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;;color:n=
avy">Linda Barton</span></i></b><span style=3D"font-size:11.0pt;font-family=
:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">
<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"margin-left:1.0in"><b><i><span style=3D"fon=
t-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:=
#1F497D">Liberty Mutual Insurance<o:p></o:p></span></i></b></p>
<p class=3D"MsoNormal" style=3D"margin-left:1.5in;text-autospace:none"><spa=
n style=3D"font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-seri=
f&quot;;color:black"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal" style=3D"margin-left:1.0in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497=
D"><o:p>&nbsp;</o:p></span></p>
</div>
<p class=3D"MsoNormal" style=3D"margin-left:1.0in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497=
D"><o:p>&nbsp;</o:p></span></p>
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal" style=3D"margin-left:1.5in"><b><span style=3D"font-s=
ize:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;">From:</sp=
an></b><span style=3D"font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot=
;sans-serif&quot;"> MQSeries List [<a href=3D"
mailto:MQSERIES-0lvw86wZMd8hNtF/PevU8w@public.gmane.org=
NIWIEN.AC.AT">
mailto:MQSERIES <at> LISTSERV.MEDUNIWIEN.AC.AT</a>]
<b>On Behalf Of </b>Tim Zielke<br>
<b>Sent:</b> Thursday, January 30, 2014 4:38 PM<br>
<b>To:</b> <a href=3D"
mailto:MQSERIES-0lvw86wZMd9k/bWDasg6f+2wyY2g16FtwPuJ0ROkVbw@public.gmane.org">MQSERIES <at> L=
ISTSERV.MEDUNIWIEN.AC.AT</a><br>
<b>Subject:</b> Re: AIX ulimits filesize of 4194304 - 2 gig queue size?<o:p=
></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal" style=3D"margin-left:1.5in"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal" style=3D"margin-left:1.5in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497=
D">Hi Linda,<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"margin-left:1.5in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497=
D"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal" style=3D"margin-left:1.5in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497=
D">To answer your question:<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"margin-left:1.5in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497=
D"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal" style=3D"margin-left:1.5in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497=
D">&nbsp;&quot;My question is, how can &#8220;The user file limit of 419430=
2 will allow a 2 Gigabyte queue file. &#8220;?<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"margin-left:1.5in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497=
D">&nbsp;<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"margin-left:1.5in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497=
D">4194302 is 4 megabytes&#8230;&quot;<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"margin-left:1.5in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497=
D"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal" style=3D"margin-left:1.5in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497=
D">It looks like in AIX that ulimit -f is in 512 byte blocks.&nbsp; So 4194=
302 x 512 =3D 2,147,482,624 bytes (which is very close to 2 gigabytes).<o:p=
></o:p></span></p>
<p class=3D"MsoNormal" style=3D"margin-left:1.5in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497=
D"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal" style=3D"margin-left:1.5in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497=
D">Thanks,<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"margin-left:1.5in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497=
D">Tim<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"margin-left:1.5in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497=
D"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal" style=3D"margin-left:1.5in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497=
D"><o:p>&nbsp;</o:p></span></p>
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal" style=3D"margin-left:1.5in"><b><span style=3D"font-s=
ize:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;">From:</sp=
an></b><span style=3D"font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot=
;sans-serif&quot;"> MQSeries List [<a href=3D"
mailto:MQSERIES-0lvw86wZMd8hNtF/PevU8w@public.gmane.org=
NIWIEN.AC.AT">
mailto:MQSERIES <at> LISTSERV.MEDUNIWIEN.AC.AT</a>]
<b>On Behalf Of </b>Barton, Linda<br>
<b>Sent:</b> Thursday, January 30, 2014 3:26 PM<br>
<b>To:</b> <a href=3D"
mailto:MQSERIES-0lvw86wZMd9k/bWDasg6f+2wyY2g16FtwPuJ0ROkVbw@public.gmane.org">MQSERIES <at> L=
ISTSERV.MEDUNIWIEN.AC.AT</a><br>
<b>Subject:</b> Re: AIX ulimits filesize of 4194304 - 2 gig queue size?<o:p=
></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal" style=3D"margin-left:1.5in"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal" style=3D"margin-left:1.5in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497=
D">Great!&nbsp; Thanks.&nbsp; I will look in to that.&nbsp;
<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"margin-left:1.5in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497=
D"><o:p>&nbsp;</o:p></span></p>
<div>
<p class=3D"MsoNormal" style=3D"margin-left:1.5in"><b><i><span style=3D"fon=
t-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;;color:n=
avy"><o:p>&nbsp;</o:p></span></i></b></p>
<p class=3D"MsoNormal" style=3D"margin-left:1.5in"><b><i><span style=3D"fon=
t-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;;color:n=
avy">Linda Barton</span></i></b><span style=3D"font-size:11.0pt;font-family=
:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">
<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"margin-left:1.5in"><b><i><span style=3D"fon=
t-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:=
#1F497D">Liberty Mutual Insurance<o:p></o:p></span></i></b></p>
<p class=3D"MsoNormal" style=3D"margin-left:2.0in;text-autospace:none"><spa=
n style=3D"font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-seri=
f&quot;;color:black"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal" style=3D"margin-left:1.5in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497=
D"><o:p>&nbsp;</o:p></span></p>
</div>
<p class=3D"MsoNormal" style=3D"margin-left:1.5in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497=
D"><o:p>&nbsp;</o:p></span></p>
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal" style=3D"margin-left:2.0in"><b><span style=3D"font-s=
ize:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;">From:</sp=
an></b><span style=3D"font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot=
;sans-serif&quot;"> MQSeries List [<a href=3D"
mailto:MQSERIES-0lvw86wZMd8hNtF/PevU8w@public.gmane.org=
NIWIEN.AC.AT">
mailto:MQSERIES <at> LISTSERV.MEDUNIWIEN.AC.AT</a>]
<b>On Behalf Of </b>Coombs, Lawrence<br>
<b>Sent:</b> Thursday, January 30, 2014 12:37 PM<br>
<b>To:</b> <a href=3D"
mailto:MQSERIES-0lvw86wZMd9k/bWDasg6f+2wyY2g16FtwPuJ0ROkVbw@public.gmane.org">MQSERIES <at> L=
ISTSERV.MEDUNIWIEN.AC.AT</a><br>
<b>Subject:</b> Re: AIX ulimits filesize of 4194304 - 2 gig queue size?<o:p=
></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal" style=3D"margin-left:2.0in"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal" style=3D"margin-left:2.0in"><span class=3D"postheadi=
ng11"><span style=3D"font-size:11.5pt;font-family:&quot;Arial&quot;,&quot;s=
ans-serif&quot;">Create file systems with large file support</span></span><=
span style=3D"font-size:9.0pt;font-family:&quot;Arial&quot;,&quot;sans-seri=
f&quot;;color:#888888"><br>
<br>
<span class=3D"posttext1">The standard file system on AIX has a 2 GB file s=
ize limit, regardless of the
<b>ulimit</b> setting. One way to enable files larger than the 2 GB limit i=
s to create the file system with the
<b>Large File Enabled option</b>. This option can be found through the <b>A=
dd a Journaled File System</b> option of the smit menu. Refer to AIX docume=
ntation for additional information and file system options.<o:p></o:p></spa=
n></span></p>
<p class=3D"MsoNormal" style=3D"margin-left:2.0in"><span class=3D"posttext1=
"><span style=3D"font-size:9.0pt;font-family:&quot;Arial&quot;,&quot;sans-s=
erif&quot;"><o:p>&nbsp;</o:p></span></span></p>
<p class=3D"MsoNormal" style=3D"margin-left:2.0in"><span class=3D"posttext1=
"><span style=3D"font-size:9.0pt;font-family:&quot;Arial&quot;,&quot;sans-s=
erif&quot;">We set ours to: unlimited</span></span><span style=3D"font-size=

:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497=
D"><o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"margin-left:2.0in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497=
D"><o:p>&nbsp;</o:p></span></p>
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal" style=3D"margin-left:2.0in"><b><span style=3D"font-s=
ize:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;">From:</sp=
an></b><span style=3D"font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot=
;sans-serif&quot;"> MQSeries List [<a href=3D"
mailto:MQSERIES-0lvw86wZMd8hNtF/PevU8w@public.gmane.org=
NIWIEN.AC.AT">
mailto:MQSERIES <at> LISTSERV.MEDUNIWIEN.AC.AT</a>]
<b>On Behalf Of </b>Barton, Linda<br>
<b>Sent:</b> Thursday, January 30, 2014 10:30 AM<br>
<b>To:</b> <a href=3D"
mailto:MQSERIES-0lvw86wZMd9k/bWDasg6f+2wyY2g16FtwPuJ0ROkVbw@public.gmane.org">MQSERIES <at> L=
ISTSERV.MEDUNIWIEN.AC.AT</a><br>
<b>Subject:</b> AIX ulimits filesize of 4194304 - 2 gig queue size?<o:p></o=
:p></span></p>
</div>
</div>
<p class=3D"MsoNormal" style=3D"margin-left:2.0in"><o:p>&nbsp;</o:p></p>
<div>
<p class=3D"MsoNormal" style=3D"margin-left:2.0in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;">Hi, My appl=
ications are sending some large messages and getting the MQRC 2056 error co=
de.&nbsp; The fs space is ok so I need to increase the Ulimit &#8211;f
to an acceptable size.&nbsp; It is currently set to 2097151.&nbsp; The lar=
gest message I have seen so far is 3888786 bytes.&nbsp; We don&#8217;t get =
the error for every message that exceeds the 2097151 file size, so there mu=
st be some translation, or maybe 2097151 is in blocks?&nbsp;
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-left:2.0in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p>=
</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-left:2.0in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;">Can someone=
help clear this up for me?<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-left:2.0in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;">Thanks!<o:p=
></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-left:2.0in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p>=
</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-left:2.0in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;">I read this=
technote:
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-left:2.0in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;"><a href=3D"=
http://www-01.ibm.com/support/docview.wss?uid=3Dswg21194240">http://www-01.=
ibm.com/support/docview.wss?uid=3Dswg21194240</a> which is pasted
below. <o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-left:2.0in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p>=
</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-left:2.0in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;">My question=
is, how can &#8220;<span style=3D"color:red">The user file limit of 419430=
2 will allow a 2 Gigabyte queue file. &#8220;?</span><o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-left:2.0in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p>=
</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-left:2.0in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;">4194302 is =
4 megabytes&#8230;<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-left:2.0in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p>=
</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-left:2.0in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p>=
</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-left:2.0in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;">WMQ error c=
ode 2056 Queue space not available on an MQPUT<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-left:2.0in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p>=
</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-left:2.0in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p>=
</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-left:2.0in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p>=
</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-left:2.0in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p>=
</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-left:2.0in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;">Technote (t=
roubleshooting)<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-left:2.0in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p>=
</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-left:2.0in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p>=
</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-left:2.0in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p>=
</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-left:2.0in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;">Problem(Abs=
tract)<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-left:2.0in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p>=
</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-left:2.0in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;">You put a m=
essage to a Websphere MQ (WMQ) queue, and the following is returned to your=
application:<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-left:2.0in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p>=
</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-left:2.0in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;">2056 0x0000=
0808 MQRC_Q_SPACE_NOT_AVAILABLE
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-left:2.0in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p>=
</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-left:2.0in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;">Cause<o:p><=
/o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-left:2.0in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p>=
</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-left:2.0in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p>=
</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-left:2.0in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;">The user fi=
le limit restricted the size of the queue file.<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-left:2.0in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p>=
</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-left:2.0in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;">Resolving t=
he problem<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-left:2.0in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p>=
</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-left:2.0in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p>=
</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-left:2.0in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;">Configure y=
our file system for larger queue files<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-left:2.0in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p>=
</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-left:2.0in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;">Set your ha=
rd file limit, if necessary, &quot;ulimit -Hf 4194302&quot;.
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-left:2.0in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;">Set your us=
er file limit, &quot;ulimit -f 4194302&quot;.<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-left:2.0in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p>=
</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-left:2.0in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p>=
</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-left:2.0in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:red">T=
he user file limit of 4194302 will allow a 2 Gigabyte queue file.
</span><span style=3D"font-size:11.0pt;font-family:&quot;Calibri&quot;,&quo=
t;sans-serif&quot;"><o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-left:2.0in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p>=
</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-left:2.0in"><span style=3D"font-size=
:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;">&nbsp;<o:p>=
</o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-left:2.0in"><span style=3D"font-size=
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Roger Lacroix | 14 Apr 16:53 2014

Re: Managed File transfer and WMQ

Hi George,

> Say one is not a MQ shop already what MFT product would be recommended as best for partner interactions currently done extensively using SFTP file transfers?

Have you looked at the free open source project called: Universal File Mover (UFM).  http://www.capitalware.com/ufm_overview.html

It supports WebSphere MQ, of course, plus it supports sending/receiving files via FTP, SFTP, SCP, HTTP and even Email (SMTP).

Regards,
Roger Lacroix
Capitalware Inc.

At 02:16 AM 4/12/2014, you wrote:
Say one is not a MQ shop already what MFT product would be recommended as best for partner interactions currently done extensively using SFTP file transfers?
IBM’s MQ FTE or a product like Linoma’s  GoAnywhere product or some other?  Anyone done a head to head comparison … ease of setup, use, reliability, features, robustness, etc. 
 
The GoAnywhere product seems to have good set of features and can be used with only a browser interface to transfer files … no MQ or queue managers required.
Seems to have a good set of intro videos to give a warm and fuzzy on how easy it is to use yet robust.  http://www.goanywheremft.com/videos
 
From: MQSeries List [ mailto:MQSERIES-0lvw86wZMd9k/bWDasg6f+2wyY2g16FtwPuJ0ROkVbw@public.gmane.org] On Behalf Of T.Rob
Sent: Thursday, April 10, 2014 10:26 AM
To: MQSERIES-0lvw86wZMd9k/bWDasg6f+2wyY2g16FtwPuJ0ROkVbw@public.gmane.org
Subject: Re: Managed File transfer and WMQ
 
If you look at CPU utilization per-core, do you see one CPU maxed out?  Last time I ran into a throughput problem the CPU utilization looked great until we looked at it per-core.  It turned out that the thread running the channel was maxing out its CPU but in aggregate the utilization appeared to be < 10%.  I forget if we had to set the channel to use separate processes but do remember we had to tune it a bit to get multiple channels running on separate dedicated cores.
 
Kind regards,
-- T.Rob
 
T.Robert Wyatt, Managing partner
IoPT Consulting, LLC
+1 704-443-TROB
https://ioptconsulting.com
https://twitter.com/tdotrob
 
From: MQSeries List [ mailto:MQSERIES-0lvw86wZMd9k/bWDasg6f+2wyY2g16FtwPuJ0ROkVbw@public.gmane.org] On Behalf Of David González Portusach
Sent: Thursday, April 10, 2014 10:08 AM
To: MQSERIES-0lvw86wZMd9k/bWDasg6f+2wyY2g16FtwPuJ0ROkVbw@public.gmane.org
Subject: Managed File transfer and WMQ
 
Hi,
 
We are testing a MQ FTE transmission and we need to find the maximum ratio of transfers.  We have a 10Gb network device, and we are using 4 agents in z/os against 1 QMGR en z/os vs 1 QMGR in Linux with 4 agents.
 
We didn’t reach more than 200MB/s. we use a different features like multiple channel enabled and chunk size 512KB, network cluster MQ… in fact we didn’t have memory problems for each agent….
 
When we are trying duplicate the numbers of servers in EEDD we have reached until 200MB/s for server, in amount 400MB/s
 
Anybody knows what is the limit or relationship between agents, or servers? How the Queues are different and specific for each agents, the ratio should be independent in a perfect network, isn’t’ it? A mean, I had understood that  with more agents we could up the throughput.
 
Anybody has reached more than 500MB/s? If so what is the limit you got it?
 
Obviously the ratio is considering several parallel transfers.
 
Thank you in advanced
 
 
 
 


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