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Re: OutOfMemory
On Fri, 11 May 2001, Eric Richardson wrote:
> Francisco Jose wrote:
> >
> > What should I do to avoid OutOfMemory exceptions ?
> > I'm very concerned about this kind of issue and
> > I know it is not something only related to ozone
> > and probably it is related with java in general.
> >
> > As a newbie, I'm enjoying OODBMS advantages, and
> > ozone might play an important role in this new
> > emerging world.
> >
> I'm not sure what the problem is but you can increase the VM size for
> Java.
>
> The bin/ozone for UNIX or bin.ozone.bat for windows uses the ozoneEnv or
> ozoneEnv.bat for passing arguments to the VM.
>
> There is an option is the bin/ozone file as such
> -mx32000000
> but not sure what this is - developers?
This is equivalent to -Xmx32m. So 32M is the default heap size of the ozone
server.
You can set heap size right in the start script (ozone or ozone.bat) or on Unix
you can also specify -Xmx on the command line of the start script.
Falko
>
> It appears that the script ozoneEnv is where the Java VM memory should
> be changes via the variable VMARGS=
>
> Refer the javadoc tools info for arguments to the Java VM. The 1.2.2
> docs say the arg is -Xmx64m and 64m is the default. So you could try
> 128m to change the max VM memory to 128meg. I tried this and on startup
> it reported the following:
>
> [info] (740) Env: total: 107585528
> [info] (740) Env: free : 248808
> [info] (740) Env: keep : 4000000
>
> So it seems to honor the argument as this is more than the default
> below.
>
> info] (448) Env: total: 25812984
> [info] (448) Env: free : 196504
> [info] (448) Env: keep : 2581298
>
>
> Hope this helps.
>
> Eric
--
______________________________________________________________________
Falko Braeutigam mailto:falko@smb-tec.com
SMB GmbH http://www.smb-tec.com