Re: slow select

From: Vivek Khera <khera(at)kcilink(dot)com>
To: Josh Berkus <josh(at)agliodbs(dot)com>
Cc: pgsql-performance(at)postgresql(dot)org
Subject: Re: slow select
Date: 2003-10-24 15:42:44
Message-ID: 16281.18548.53239.394135@yertle.int.kciLink.com
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>>>>> "JB" == Josh Berkus <josh(at)agliodbs(dot)com> writes:

JB> Vivek,
>> Assuming your OS will use that much RAM for the cache... the whole
>> world's not Linux :-)

JB> It's not? Darn!

:-)

JB> Actually, what OS's can't use all idle ram for kernel cache? I
JB> should note that in my performance docs ....

FreeBSD. Limited by the value of "sysctl vfs.hibufspace" from what I
understand. This value is set at boot based on available RAM and some
other tuning parameters.

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