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RE: FW: Garbage collection issues in GCJ

From: "Boehm, Hans" <hans dot boehm at hp dot com>
To: Florian Weimer <fw at deneb dot enyo dot de>, Ben Keppler <bkeppler at tridentms dot com>
Cc: David Daney <ddaney at caviumnetworks dot com>, "java at gcc dot gnu dot org" <java at gcc dot gnu dot org>
Date: Sun, 23 Jan 2011 19:10:15 +0000
Subject: RE: FW: Garbage collection issues in GCJ
References: <3C7F46E08E936B478463BFFA776CDAD30168E7F7@tmsmail.domain2.local> <4D347D2D.4010101@caviumnetworks.com> <3C7F46E08E936B478463BFFA776CDAD30168E8CA@tmsmail.domain2.local> <87pqro7ghi.fsf@mid.deneb.enyo.de>

> From: Florian Weimer
> 
> * Ben Keppler:
> 
> > Thanks for your response.  We have been unable to find documentation
> > detailing how to change the GC configuration including knobs for
> setting
> > the max heap size.
> 
> GCJ allocates as much memory as your application needs.  I think what
> David meant was that you should change your application to put less
> data into the Java heap (either by using the C heap, or by splitting
> it into multiple processes).

But some knobs are normally available via environment variables.
See

http://gcc.gnu.org/viewcvs/trunk/boehm-gc/doc/README.environment?revision=138078&view=markup

You can impose a maximum heap size if you insist.

Hans

References:
- FW: Garbage collection issues in GCJ
  - From: Ben Keppler
- Re: FW: Garbage collection issues in GCJ
  - From: David Daney
- RE: FW: Garbage collection issues in GCJ
  - From: Ben Keppler
- Re: FW: Garbage collection issues in GCJ
  - From: Florian Weimer

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