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Re: Emacs memory management and sluggishness

From: Joseph Mingrone
Subject: Re: Emacs memory management and sluggishness
Date: Wed, 31 Jul 2019 19:14:25 -0300
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (berkeley-unix)

Óscar Fuentes <address@hidden> writes:

> Joseph Mingrone <address@hidden> writes:

>> I am seeing even more aggressive memory usage with recent master branch
>> commits (at least I think this only started in the last month or so).
>> Here is a screenshot that shows over 3 GB of
>> RSS. https://ftfl.ca/misc/emacs_memory.png

>> This was running commit 06726f6 from today on 12.0-RELEASE-p8.  I run
>> Gnus, erc, look at an occasional PDF and edit text.  I haven't visited
>> any extremely large buffers recently.  Garbage collection is happening,
>> but it does not seem to help.  But, when I call `garbage-collect'
>> manually there will be a long pause if I haven't called it recently,
>> then the memory will usually go down to something between 100 and 400
>> MB.

> Do the garbage collection, take note of the used memory, visit one of
> those PDF files (preferably one with large, complex & colorful images)
> move around for several pages and see if emacs' memory usage grows.

It went from 440 to about 500 MB.  This was a book with 1200
pages and the PDF was about 3 MB.

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