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Re: The results of my PostgreSQL/filesystem performance tests

From: Sean Chittenden <sean(at)chittenden(dot)org>
To: Vivek Khera <khera(at)kcilink(dot)com>
Cc: pgsql-performance(at)postgresql(dot)org
Subject: Re: The results of my PostgreSQL/filesystem performance tests
Date: 2003-08-28 21:49:40
Message-ID: 20030828214940.GQ83759@perrin.nxad.com (view raw or flat)
Thread:
Lists: pgsql-performance
> >> I need to step in and do 2 things:
> SC> Thanks for posting that.  Let me know if you have any questions while
> SC> doing your testing.  I've found that using 16K blocks on FreeBSD
> SC> results in about an 8% speedup in writes to the database, fwiw.
> 
> ok.. ignore my prior request about how to set that... i missed you
> had included a patch.
> 
> Any recommendations on newfs parameters for an overly large file
> system used solely for Postgres?  Over 100Gb (with raid 10) or over
> 200Gb (with raid 5)?

Nope, you'll have to test and see.  If you find something that works,
however, let me know.  -sc

-- 
Sean Chittenden

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