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Re: Free Cache Memory (Linux) and Postgresql

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Denis Gasparin <denis(at)edistar(dot)com>
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: Free Cache Memory (Linux) and Postgresql
Date: 2008-09-30 12:08:59
Message-ID: 7071.1222776539@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-general
Denis Gasparin <denis(at)edistar(dot)com> writes:
> I'm evaluating to issue the drop_caches kernel command (echo 3 >
> /proc/sys/vm/drop_caches) in order to free unused pagecache, directory
> entries and inodes.

Why in the world would you think that's a good idea?

			regards, tom lane

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