Significant Memory Leaks As An UNO Service Provider

We run OOo/LOo headless in order to utilize services via UNO from a web
application.  Works great.  But it leaks memory rather badly,  and
eventually gets killed off for out-of-memory conditions.

Out of memory: Kill process 9145 (soffice.bin) score 475 or sacrifice
child
Killed process 9145, UID 0, (soffice.bin) total-vm:2792252kB,
anon-rss:666676kB, file-rss:76kB

Is there any means to invoke garbage collection when running headless
(as a service) to avoid these service outages?

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Hi :)
I think it's worth asking the devs, either iirc or perhaps a mailing list or just post a bug-report.  I think they might take memory leaks fairly seriously but i can't remember if it's really a serious issue. 
http://wiki.documentfoundation.org/BugReport
https://www.libreoffice.org/get-help/bug/
Regards from
Tom :)


--- On Tue, 24/4/12, Adam Tauno Williams <[hidden email]> wrote:

From: Adam Tauno Williams <[hidden email]>
Subject: [libreoffice-users] Significant Memory Leaks As An UNO Service Provider
To: [hidden email]
Date: Tuesday, 24 April, 2012, 19:10

We run OOo/LOo headless in order to utilize services via UNO from a web
application.  Works great.  But it leaks memory rather badly,  and
eventually gets killed off for out-of-memory conditions.

Out of memory: Kill process 9145 (soffice.bin) score 475 or sacrifice
child
Killed process 9145, UID 0, (soffice.bin) total-vm:2792252kB,
anon-rss:666676kB, file-rss:76kB

Is there any means to invoke garbage collection when running headless
(as a service) to avoid these service outages?

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Am 24.04.2012 20:10, Adam Tauno Williams wrote:
https://issues.apache.org/ooo/show_bug.cgi?id=41675

I would have thought that this well known problem had been tackled in
LibreOffice.

JODConverter converts without memory leak:
http://sourceforge.net/projects/jodconverter/


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Le 24/04/12 20:10, Adam Tauno Williams a écrit :

Hi Adam,

> We run OOo/LOo headless in order to utilize services via UNO from a web
> application.  Works great.  But it leaks memory rather badly,  and
> eventually gets killed off for out-of-memory conditions.
>

Very, very old bug (as Andreas has pointed out) known from OOo times.
The only remedy I know of is to periodically dispose of the connection
before the app locks up, wait for the system to release the memory, and
restart it.

Alex


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Hi Adam,

Adam Tauno Williams wrote (24-04-12 20:10)
There isn't.
Usual solution for this is running few instances at the same time and
use a service to check the memory load, directing the task, and
killing/restarting a process when needed.
(People doing this with LibreOffice tell me that running as a server -
though not perfect - is considerably more stable than when they did so
with OpenOffice.org.)

Regards,

--
  - Cor
  - http://nl.libreoffice.org


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