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[Monotone-devel] memory used by mtn server


From: Lapo Luchini
Subject: [Monotone-devel] memory used by mtn server
Date: Sat, 10 Oct 2009 14:57:14 +0200
User-agent: Mozilla/5.0 (Windows; U; Windows NT 5.2; en-US; rv:1.8.1.23) Gecko/20090812 Thunderbird/2.0.0.23 Mnenhy/0.7.5.0

Hi there.
I noticed the following memory usage pattern (with a quick test):

   27096   7764 `mtn serve` just launched
   96976  78668 after a client `mtn sy` my personal branches
  131624 112856 after a client `mtn sy` nvm.*

I guess this is completely expected, something like parts of the DB (or
the Merkle trie?) get cached and is useful for subsequent syncs, but I'd
prefer to receive confirmation of that.

Also, as my server has a shortage of RAM, I'd like to know if I can
avoid that extra hundred meg of constant memory usage.
I guess the easiest choice is to use usher, so that the serving process
is launched on demand.

Problem is usher doesn't compile on FreeBSD, but I'm working on that.

-- 
Lapo Luchini - http://lapo.it/

“I think, therefore I am… I think.” (Nordom, videogame "Torment", 1999)

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