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Re: Memory again

From: Dmitry Antipov
Subject: Re: Memory again
Date: Sat, 26 Nov 2011 18:35:49 +0400
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:8.0) Gecko/20111115 Thunderbird/8.0

On 11/26/2011 05:26 PM, Carsten Mattner wrote:

After having used 4 erlang-mode buffers and having killed all buffers
for more than an hour and having run M-x garbage-collect there still
seems to be unreclaimable space.

This is an internal heap fragmentation, the most common disadvantage
of simple mark and sweep GC.

It's been sitting there with 0 buffers in *scratch* at around 54megs
for a couple hours.

Try to restore your 4 erlang-mode buffers and other stuff which has been
previously used to reach 54M. If the heap will not grow substantially
beyond 54M, this means that fragmented space was mostly re-used.
If you ends up with 2x or more heap, there is a serious memory leak


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