From: | John A Meinel <john(at)arbash-meinel(dot)com> |
---|---|
To: | Jeremiah Jahn <jeremiah(at)cs(dot)earlham(dot)edu> |
Cc: | Ron <rjpeace(at)earthlink(dot)net>, postgres performance <pgsql-performance(at)postgresql(dot)org> |
Subject: | Re: extremly low memory usage |
Date: | 2005-08-19 21:07:18 |
Message-ID: | 43064A06.8020102@arbash-meinel.com |
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Lists: | pgsql-performance |
Jeremiah Jahn wrote:
> Rebuild in progress with just ext3 on the raid array...will see if this
> helps the access times. If it doesn't I'll mess with the stripe size. I
> have REINDEXED, CLUSTERED, tablespaced and cached with 'cat table/index
>
>>/dev/null' none of this seems to have helped, or even increased my
>
> memory usage. argh! The only thing about this new system that I'm
> unfamiliar with is the array setup and LVM, which is why I think that's
> where the issue is. clustering and indexing as well as vacuum etc are
> things that I do and have been aware of for sometime. Perhaps slony is a
> factor, but I really don't see it causing problems on index read speed
> esp. when it's not running.
>
> thanx for your help, I really appreciate it.
> -jj-
>
By the way, how are you measuring memory usage? Can you give the output
of that command, just to make sure you are reading it correctly.
John
=:->
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