SmokePing (a network latency measurement tool) users list

Tobias Oetiker | 8 Aug 2009 17:13

firefox 3.5 and zooming

I have investigated the zooming issues with Firefox 3.5. It seems
that they are quite easily resolved by droping in the latest copies
of scriptaculous and prototype ... you can get copies here

  http://oss.oetiker.ch/smokeping-demo/cropper/lib/

* get all the js files from august 8th

* edit your etc/basepage.html to include

  cropper/lib/scriptaculous.js?load=builder,effects,dragdrop

  (the ,effects, is new)

cheers
tobi

--

-- 
Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten, Switzerland
http://it.oetiker.ch tobi <at> oetiker.ch ++41 62 775 9902 / sb: -9900

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Jonah Horowitz | 11 Aug 2009 19:24

Issues with high speed curl probes

I was running this configuration for awhile and everything worked fine. We had a power outage at our data center, and when it came back up, the graphs (and the data) started looking like this:

http://www.flickr.com/photos/aspenjonah/3811409039/sizes/o/

I’m just wondering if anyone has seen something similar, or knows how to fix it. I tried upping my forks parameter on my smokeping server, but that didn’t seem to fix the problem.

My config for the probe is:

+ Curl

binary = /usr/bin/curl

forks = 30

offset = 50%

timeout = 5

++ CurlSlow

step = 300

++ CurlFast

step = 60

+ LooksmartURLs

menu = Looksmart URLs

title = Looksmart URLs

slaves = sh-mon1i

probe = CurlFast

++ wwwLooksmartCom

title = www.looksmart.com

host = www.looksmart.com

urlformat = http://%host%

TIA,

Jonah

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Russell Dwarshuis | 11 Aug 2009 20:10

Re: Issues with high speed curl probes

It's morse code: 'help me, i am trapped in a data center' 

Seriously, I've seen the same broken line on graphs when I had a probe 
that was taking too long to run.  Check your config for a non-responsive 
host (assuming you have lots of other stuff in your config file).  You can 
turn on debugging if you can't spot the host by eyeballing the graphs.

                                           -Russell Dwarshuis

On Tue, 11 Aug 2009, Jonah Horowitz wrote:

> I was running this configuration for awhile and everything worked fine.
> We had a power outage at our data center, and when it came back up, the
> graphs (and the data) started looking like this:
>
>
>
> http://www.flickr.com/photos/aspenjonah/3811409039/sizes/o/
>
>
>
> I'm just wondering if anyone has seen something similar, or knows how to
> fix it.  I tried upping my forks parameter on my smokeping server, but
> that didn't seem to fix the problem.
>
>
>
> My config for the probe is:
>
>
>
> + Curl
>
> binary = /usr/bin/curl
>
> forks = 30
>
> offset = 50%
>
> timeout = 5
>
>
>
> ++ CurlSlow
>
> step = 300
>
>
>
> ++ CurlFast
>
> step = 60
>
>
>
> + LooksmartURLs
>
> menu = Looksmart URLs
>
> title = Looksmart URLs
>
> slaves = sh-mon1i
>
> probe = CurlFast
>
>
>
> ++ wwwLooksmartCom
>
> title = www.looksmart.com
>
> host = www.looksmart.com
>
> urlformat = http://%host%
>
>
>
>
>
> TIA,
>
>
>
> Jonah
>
>
>
>

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ml ml | 12 Aug 2009 12:17

Whats the limit?

Helli List,

i would like to SmokePing about 300-400 Hosts. Is this possible.

I added those hosts to my already running smokeping setup but then the
graph was not drawn anymore. I dunno why.

I could now set up a seperate Host just for those 300-400 Hosts. Can
Smokeping handle that many?

Cheers,
Mario

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Jeff Williams | 12 Aug 2009 18:26

Re: Whats the limit?

> Helli List,
> 
> i would like to SmokePing about 300-400 Hosts. Is this possible.
> 
> I added those hosts to my already running smokeping setup but then the
> graph was not drawn anymore. I dunno why.
> 
> I could now set up a seperate Host just for those 300-400 Hosts. Can
> Smokeping handle that many?
> 
> Cheers,
> Mario
> 

I think it really depends on your hardware and what you want your ping 
interval to be. We ping over 2000 locations with several ip addresses 
each 5 times every 90 seconds. Our server has 8 cores and 6 GB of ram. 
We weren't always using that server, but as we added more locations, 
our pings were getting closer and closer to not hitting the interval 
we wanted. We use SpeedyCGI, even though its old and unmainted. It 
seems to have memory leaks over time, but its the only one we've tried 
that can display the graphs in a timely manner.

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Tore Lønøy | 12 Aug 2009 20:08

Re: Whats the limit?

Im wondering on the same issue. Have a 4 core Xeon 2.33 Ghz, 6 GB RAM,  
but i am uncertain which how often and  how many pings i should use.  
The default 300/20 seems wrong in my eyes. We consider something like  
60/5, input?

Best regards / Vennlig hilsen
Tore Lønøy

On 12. aug. 2009, at 18.26, Jeff Williams <jeffwilliams05 <at> gmail.com>  
wrote:

>> Helli List,
>>
>> i would like to SmokePing about 300-400 Hosts. Is this possible.
>>
>> I added those hosts to my already running smokeping setup but then  
>> the
>> graph was not drawn anymore. I dunno why.
>>
>> I could now set up a seperate Host just for those 300-400 Hosts. Can
>> Smokeping handle that many?
>>
>> Cheers,
>> Mario
>>
>
> I think it really depends on your hardware and what you want your ping
> interval to be. We ping over 2000 locations with several ip addresses
> each 5 times every 90 seconds. Our server has 8 cores and 6 GB of ram.
> We weren't always using that server, but as we added more locations,
> our pings were getting closer and closer to not hitting the interval
> we wanted. We use SpeedyCGI, even though its old and unmainted. It
> seems to have memory leaks over time, but its the only one we've tried
> that can display the graphs in a timely manner.
>
> _______________________________________________
> smokeping-users mailing list
> smokeping-users <at> lists.oetiker.ch
> https://lists.oetiker.ch/cgi-bin/listinfo/smokeping-users

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Mersberger, Robert | 12 Aug 2009 20:07

Re: Whats the limit?

Smokeping can handle that number easy but the bigger question would be what you frequency is. Mine is set for
120 seconds and I run close to 400 sites.  The other think that can kill you is if you have a lot of unreachable
sites in your config. Retries take time.

-----Original Message-----
From: smokeping-users-bounces <at> lists.oetiker.ch
[mailto:smokeping-users-bounces <at> lists.oetiker.ch] On Behalf Of Jeff Williams
Sent: Wednesday, August 12, 2009 11:27 AM
To: ml ml
Cc: smokeping-users <at> lists.oetiker.ch
Subject: Re: [smokeping-users] Whats the limit?

> Helli List,
>
> i would like to SmokePing about 300-400 Hosts. Is this possible.
>
> I added those hosts to my already running smokeping setup but then the
> graph was not drawn anymore. I dunno why.
>
> I could now set up a seperate Host just for those 300-400 Hosts. Can
> Smokeping handle that many?
>
> Cheers,
> Mario
>

I think it really depends on your hardware and what you want your ping interval to be. We ping over 2000
locations with several ip addresses each 5 times every 90 seconds. Our server has 8 cores and 6 GB of ram.
We weren't always using that server, but as we added more locations, our pings were getting closer and
closer to not hitting the interval we wanted. We use SpeedyCGI, even though its old and unmainted. It seems
to have memory leaks over time, but its the only one we've tried that can display the graphs in a timely manner.

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Tobias Oetiker | 12 Aug 2009 21:06

Re: Whats the limit?

Hi Jeff,

Today Jeff Williams wrote:

> > Helli List,
> >
> > i would like to SmokePing about 300-400 Hosts. Is this possible.
> >
> > I added those hosts to my already running smokeping setup but then the
> > graph was not drawn anymore. I dunno why.
> >
> > I could now set up a seperate Host just for those 300-400 Hosts. Can
> > Smokeping handle that many?
> >
> > Cheers,
> > Mario
> >
>
> I think it really depends on your hardware and what you want your ping
> interval to be. We ping over 2000 locations with several ip addresses
> each 5 times every 90 seconds. Our server has 8 cores and 6 GB of ram.
> We weren't always using that server, but as we added more locations,
> our pings were getting closer and closer to not hitting the interval
> we wanted. We use SpeedyCGI, even though its old and unmainted. It
> seems to have memory leaks over time, but its the only one we've tried
> that can display the graphs in a timely manner.

I will update smokeping to work with fastcgi in the next release
...

cheers
tobi

--

-- 
Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten, Switzerland
http://it.oetiker.ch tobi <at> oetiker.ch ++41 62 775 9902 / sb: -9900

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Jesse Shang(尚敏 | 19 Aug 2009 13:21

Could anyone help me?

Hi all,

I am a new user of smokeping and now I want to add alert in my smokeping.The following is part of my config file:

+rttbad

type=rtt

#in milliseconds

pattern = >0,>0,>0,>0,>0

comment = executive five rrt surpassed 0 milliseconds(this is just a test)

But the file which I want to execute to send warning messages never be executed.When I change the red line to :

pattern = >0,>0

The file executed as expected, Could someone tell me what is the problem? If I want to execute a file when executive 5 rrt suppassed 0 milliseconds, how should I write the pattern line ?

Thank you very much！

Best Wishes

From: 尚敏(Jesse Shang)

Email: shangmin <at> sohu-rd.com shangmin.pku <at> gmail.com

Mobile Phone：13811101579

搜狐研发中心OP组

北京市海淀区中关村东路1号搜狐网络大厦

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Daniele Davolio | 25 Aug 2009 15:08

Strange Statistics Problems on Debian

Hi all,
I know it's weird...but on 13 August (2009) all the smokeping statistics 
on my servers where just erased. All servers on this very same day.
I can't figure out how. I have Smokeping 2.0.9-2 on a bunch of old 
Debian servers, is there a possibility that some Smokeping did it on his 
own? I'm asking this because I cant find any other job or process or 
cron task able to do this.
Thanx
Davo

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