Re: [HACKERS] Neverending query on 6.5.2 over Solaris 2.5.1

From: Brian E Gallew <geek+(at)cmu(dot)edu>
To: pgsql-hackers(at)postgreSQL(dot)org
Subject: Re: [HACKERS] Neverending query on 6.5.2 over Solaris 2.5.1
Date: 1999-10-22 15:57:11
Message-ID: emacs-smtp-11255-14352-35159-445918@export.andrew.cmu.edu
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Then <tgl(at)sss(dot)pgh(dot)pa(dot)us> spoke up and said:
> Fernando Schapachnik <fpscha(at)ns1(dot)via-net-works(dot)net(dot)ar> writes:
> > What value would you advise for shmmax?
>
> more than the default number of buffers. But I have no advice on
> how many is appropriate for what size of installation --- can anyone
> else help?

Unless you are severely resource constrained, think big. Generally
speaking, the kilobytes of memory you'll lose to kernel structures are
irrelevant. Performance is generally not an issue, either.

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