From: SASADA Koichi <ko1@...>
Date: 2014-05-03T10:36:38+09:00
Subject: [ruby-core:62307] Re: [ruby-cvs:52906] nari:r45760 (trunk): * gc.c (gc_after_sweep): suppress unnecessary expanding heap.

(2014/05/03 4:41), Eric Wong wrote:
> nari@ruby-lang.org wrote:
>>   http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=45760
> 
>>     * gc.c (gc_after_sweep): suppress unnecessary expanding heap.
>>       Tomb heap pages are freed pages here, so expanding heap is
>>       not required.
> 
> This seems like an important fix and should be backported to 2.1, right?
> 
> I'm running r45777 on my server since ~12 hours ago with live traffic
> and memory usage is reduced drastically.  ~30M now, was 60-80M
> before, sometimes higher.

The commit message is wrong.
Don't expand heap, but expand sorted array.

I think it is not so big change.

-- 
// SASADA Koichi at atdot dot net