From: Tony Arcieri <tony@...>
Date: 2009-05-09T06:58:50+09:00
Subject: Re: Ruby memory usage

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On Fri, May 8, 2009 at 2:49 PM, Pete Hodgson <ruby-forum@thepete.net> wrote:

>
> Thanks so much for all the input folks, it's really really appreciated.
>
> ruby -v gives:
> ruby 1.8.6 (2008-06-20 patchlevel 230) [i386-linux]
>
>
> I did some additional tweaks to the memory profiler, and it now dumps a
> yaml document with object space details every 10 seconds.


I think memory profiling using ObjectSpace is fundamentally flawed (a few
years ago I wrote an ObjectSpace-powered memory profiler and had many issues
with it)

You might check out bleak_house instead:

http://blog.evanweaver.com/files/doc/fauna/bleak_house/files/README.html


> At this point I wonder whether the issue is with the MRI GC, as Tony
> mentioned. I'm a little leary of upgrading to 1.9 just in order to fix
> this, but I might give it a try just to see what the memory usage over
> time looks like compared to 1.8.6.
>

With JRuby you can have 1.8 compatibility plus your selection of all the
pluggable garbage collectors available in the JVM.

-- 
Tony Arcieri
medioh.com

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