shilpi | 1 Apr 16:06 2006

server starting problem

 
plz do help me out for the following problem:
while trying out the ozone samples:
1.while starting the server:
  Open a new console. Change directory to <OZONE_HOME>/samples/simple. 
  Install a new database via 'ozoneInst -d<db_dir>'. Start the server via   
  'ozone -d<db_dir> -u<username>'.

the following steps r executed:
A directory named "doit" is created in the sample\simple to install the database in it.....
the following paths ve been set:

E:\>set JAVA_HOME=E:\jdk1.4
E:\>set OZONE_HOME=.;E:\ozone-1.2
E:\>set OZONE_PATH=.;E:\ozone-1.2\bin
E:\>set OZONE_JVM=java
E:\>set OZONE_JAVAC=javac

E:\ozone-1.2\samples\simple>E:\ozone-1.2\bin\ozoneInst -dE:\ozone-1.2\samples\simple\doit

the follwing error message is displayed:
'ojvm.bat' is not recognized as an internal or external command,
operable program or batch file.


plzzzz do help me out urgentlyyyyy!!!!!!!!!



Nicolas Barrera | 3 Apr 14:45 2006
Picon

Re: server starting problem

seems kinda ojvm.bat is not in your PATH, although i thought that
E:\>set OZONE_PATH=.;E:\ozone-1.2\bin
would put it in your PATH...

double check how 're you setting the PATH system variable.

that's my only guess.... :(

On 1 Apr 2006 14:06:51 -0000, shilpi <shilpy_12 <at> rediffmail.com> wrote:

 
plz do help me out for the following problem:
while trying out the ozone samples:
1.while starting the server:
  Open a new console. Change directory to <OZONE_HOME>/samples/simple. 
  Install a new database via 'ozoneInst -d<db_dir>'. Start the server via   
  'ozone -d<db_dir> -u<username>'.

the following steps r executed:
A directory named "doit" is created in the sample\simple to install the database in it.....
the following paths ve been set:

E:\>set JAVA_HOME=E:\jdk1.4
E:\>set OZONE_HOME=.;E:\ozone-1.2
E:\>set OZONE_PATH=.;E:\ozone-1.2\bin
E:\>set OZONE_JVM=java
E:\>set OZONE_JAVAC=javac

E:\ozone-1.2\samples\simple>E:\ozone-1.2\bin\ozoneInst -dE:\ozone-1.2\samples\simple\doit

the follwing error message is displayed:
'ojvm.bat' is not recognized as an internal or external command,
operable program or batch file.


plzzzz do help me out urgentlyyyyy!!!!!!!!!




Arnold Maderthaner | 5 Apr 13:36 2006
Picon

Performance tuning of ozone db

Hi !

How can I do some performance tuning of the ozone db.
I didn't some performance test with an object I wrote (class Person which has one string and on int).
My results:
insert 1000 persons: 33000 ms
update 1000 persons:12139 ms
show 1000 persons:253 ms
remove 1000 persons:15271 ms

Hopefully you can help me.

yours
mikael-aronsson | 5 Apr 14:41 2006
Picon

Re: Performance tuning of ozone db

I guess it all, depends on how you do it, 33ms for each insert is not very bad if you consider that each insert means a send/process/return over the network.
 
If you look at the documentation there are information about what options you can change and what effect they will have.
 
Mikael
----- Original Message -----
Sent: Wednesday, April 05, 2006 1:36 PM
Subject: [Ozone-users] Performance tuning of ozone db

Hi !

How can I do some performance tuning of the ozone db.
I didn't some performance test with an object I wrote (class Person which has one string and on int).
My results:
insert 1000 persons: 33000 ms
update 1000 persons:12139 ms
show 1000 persons:253 ms
remove 1000 persons:15271 ms

Hopefully you can help me.

yours
Arnold Maderthaner | 5 Apr 19:13 2006
Picon

Re: Performance tuning of ozone db

Hi Mikael !

There is not much data to be transfered because the Person object is very small and I tried it on local host. I allready tried to change some settings but they didn't effect it in any way.

yours

arnold

On 4/5/06, mikael-aronsson <mikael-aronsson <at> telia.com> wrote:
I guess it all, depends on how you do it, 33ms for each insert is not very bad if you consider that each insert means a send/process/return over the network.
 
If you look at the documentation there are information about what options you can change and what effect they will have.
 
Mikael
----- Original Message -----
Sent: Wednesday, April 05, 2006 1:36 PM
Subject: [Ozone-users] Performance tuning of ozone db

Hi !

How can I do some performance tuning of the ozone db.
I didn't some performance test with an object I wrote (class Person which has one string and on int).
My results:
insert 1000 persons: 33000 ms
update 1000 persons:12139 ms
show 1000 persons:253 ms
remove 1000 persons:15271 ms

Hopefully you can help me.

yours

Nicolas Barrera | 7 Apr 06:40 2006
Picon

OPP exception / Debug OPP

Hi, i 'm trying to generate my proxies and factories through OPP but i
can't... this is the exception stacktrace:

postprocess.opp:
     [echo] -------- Run OPP / Generate Ozone Proxies source code --------
     [java] Begin OPP...
     [java]    Processing class: biz.UsuarioImpl
     [java]    Begin Processing biz.UsuarioImpl...
     [java]       Begin Resolving update methods...
     [java]          No ocd was found!
     [java]       End Resolving update methods
     [java]    End Processing biz.UsuarioImpl generated in 0.068 seconds.
     [java]    Generation completed with 0 warnings and 0 errors
     [java] java.lang.ArrayIndexOutOfBoundsException: 0
     [java]     at
org.ozoneDB.tools.OPP.srcgen.builder.FactoryBuilder.beginClass(FactoryBuilder.java:207)
     [java]     at
org.ozoneDB.tools.OPP.srcgen.builder.CompositeBuilder.beginClass(CompositeBuilder.java:37)
     [java]     at
org.ozoneDB.tools.OPP.srcgen.direct.ReflectionClassDirector.build(ReflectionClassDirector.java:92)
     [java]     at
org.ozoneDB.tools.OPP.OPP.makeProxiesAndFactories(OPP.java:239)
     [java]     at org.ozoneDB.tools.OPP.OPP.generate(OPP.java:159)
     [java]     at org.ozoneDB.tools.OPP.OPP.main(OPP.java:127)

BUILD FAILED

i 'm using ant to build, my project is just
two classes in the biz package and two remote interfaces in the bizint package

by the way.., how could i debug OPP within the eclipse ide??

i hope you lend me a hand on this
cheers

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rishu oberoi | 7 Apr 07:11 2006
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help needed on ozone

 
i have a project where i intented to use ozone as my database but ....somehow kept on facing problems on installation......
it gives an erroe of some file build.xml......don know...looked for dat file but din found.....
if u cud simplify the process and explain the correct installation procedure....and which version to downloa beta or binary....etc......in windows....
 
also i jus want to show some sample running code which gives my panel an idea abt wat ozone is ....anything dat can be well demonstrated ..please help......wat can i do ????
if u cud please help on that also......
Nicolas Barrera | 7 Apr 14:42 2006
Picon

Re: help needed on ozone

download from cvs, there you got source code, samples and an upgraded
version of ozone..., i believe that the one available from the web
lacks some features that are stable in CVS.

Please look in the mailing list history, there you ll find how to
perform a CVS checkout of the corresponding version i don't remember
that right now!.

please be more accurate describing your problem.., which part of the
installation is that you re puzzled?!? where you trying to run the
samples?! (and maybe thats the build.xml thing you re seeing).

Documentation in the web is quite easy to understand, try to follow
those steps.., at least to run an example

please ask again if you get puzzled again..., i 'm sorry i didn't
answer something concrete, it's just that i didn't get the question
quite right.

c ya...

On 4/7/06, rishu oberoi <rishuoberoi <at> gmail.com> wrote:
>
>
>
> i have a project where i intented to use ozone as my database but
> ....somehow kept on facing problems on installation......
> it gives an erroe of some file build.xml......don know...looked for dat file
> but din found.....
> if u cud simplify the process and explain the correct installation
> procedure....and which version to downloa beta or binary....etc......in
> windows....
>
> also i jus want to show some sample running code which gives my panel an
> idea abt wat ozone is ....anything dat can be well demonstrated ..please
> help......wat can i do ????
> if u cud please help on that also......

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shilpi | 13 Apr 16:56 2006

REPLY URGENTLYYYY

 
plz give me idea about how to retrieve a stored object in the ozone database.
i ve created an obect with 2 fields username and password.these values are entered by the user .kindly tell the procedure to retrieve this object from the databse later.....reply URGENTLYYYYYYYYY....



Martin Walch | 15 Apr 16:08 2006
Picon

something like an Index?

Hello,

I'm new to ozone and also rather new to databases in general.
For my current project some kind of OODBMS seems to be a good choice.
However, beside some rather complex structures, I've got also long lists
of Objects of the same class.
Concretely: I have got a list of persons with names, addresses, ids and so on.
I need to find somebody in this list either by name or by id. Both options must work fast.
So in a RDBMS like e. g. MySQL I would probably create an index for names and one for ids.
Well, this is no RDBMS.

How can I implement this in Ozone?
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