From: David Daney <ddaney@caviumnetworks.com>
To: Andrew Haley <aph@redhat.com>
Cc: Erik Groeneveld <erik@cq2.nl>,
java@gcc.gnu.org, "Boehm, Hans" <hans.boehm@hp.com>
Subject: Re: GC leaks debugging
Date: Fri, 08 Apr 2011 15:35:00 -0000 [thread overview]
Message-ID: <4D9F2B2A.30500@caviumnetworks.com> (raw)
In-Reply-To: <4D9F13E9.7000106@redhat.com>
On 04/08/2011 06:55 AM, Andrew Haley wrote:
> On 04/07/2011 06:42 PM, Erik Groeneveld wrote:
> > I wonder.
>
>> Just two questions:
>> 1. What is a reasonable number of heap sections? I have 131 here.
>> 2. What is a reasonable number of free lists? I have 60, which have
>> 13,000+ entries.
>
> Paging Hans Boehm. can you suggest ways to get the system to GC more
> frequently? Would doing so avoid this scenario?
>
Call _Jv_SetGCFreeSpaceDivisor(). I forget what we used to do, but
bigger numbers cause it to collect more often. The default may be 5,
but if you make it 20 or 25 you really reduce heap growth.
David Daney
next prev parent reply other threads:[~2011-04-08 15:35 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-01 8:39 Erik Groeneveld
2011-04-01 8:45 ` Andrew Haley
2011-04-01 9:03 ` Erik Groeneveld
2011-04-01 9:34 ` Andrew Haley
2011-04-02 0:27 ` Boehm, Hans
2011-04-02 9:39 ` Erik Groeneveld
2011-04-03 17:15 ` Erik Groeneveld
2011-04-03 18:00 ` Erik Groeneveld
2011-04-04 8:13 ` Andrew Haley
2011-04-04 8:53 ` Erik Groeneveld
2011-04-04 9:48 ` Andrew Haley
2011-04-05 4:44 ` Boehm, Hans
2011-04-05 8:58 ` Andrew Haley
2011-04-05 6:50 ` Erik Groeneveld
2011-04-05 9:02 ` Andrew Haley
2011-04-05 12:02 ` Erik Groeneveld
2011-04-05 12:55 ` Andrew Haley
2011-04-06 14:30 ` Erik Groeneveld
2011-04-06 18:33 ` Andrew Haley
2011-04-06 18:39 ` David Daney
2011-04-07 17:43 ` Erik Groeneveld
2011-04-08 8:12 ` Erik Groeneveld
2011-04-08 13:56 ` Andrew Haley
2011-04-08 15:35 ` David Daney [this message]
2011-04-08 15:53 ` Erik Groeneveld
2011-04-08 15:57 ` Andrew Haley
2011-04-08 15:48 ` Erik Groeneveld
2011-04-09 1:17 ` Boehm, Hans
2011-04-09 8:47 ` Andrew Haley
2011-04-09 10:56 ` Erik Groeneveld
2011-04-10 11:03 ` Erik Groeneveld
2011-04-12 18:43 ` Erik Groeneveld
2011-04-13 8:11 ` Andrew Haley
2011-04-13 12:11 ` Bryce McKinlay
2011-04-13 14:27 ` Andrew Haley
2011-04-14 8:36 ` Erik Groeneveld
2011-04-14 8:43 ` Andrew Haley
2011-04-14 10:02 ` Erik Groeneveld
2011-04-14 10:50 ` Andrew Haley
2011-04-15 7:32 ` Erik J Groeneveld
2011-04-01 17:41 ` David Daney
2011-04-02 16:21 ` Erik Groeneveld
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