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From: Yeb Havinga <yebhavinga@gmail.com>
To: Craig James <cjames@emolecules.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: Two identical systems, radically different performance
Date: Tue, 09 Oct 2012 13:20:14 +0200
Message-ID: <5074086E.8050504@gmail.com> (raw)
In-Reply-To: <CAFwQ8rcvw4mSoJ9q+ouONCeB9dg1T9gAUV5J27MpVZrehRHayQ@mail.gmail.com>
References: <CAFwQ8rcvw4mSoJ9q+ouONCeB9dg1T9gAUV5J27MpVZrehRHayQ@mail.gmail.com>

On 2012-10-08 23:45, Craig James wrote:
> This is driving me crazy.  A new server, virtually identical to an old 
> one, has 50% of the performance with pgbench.  I've checked everything 
> I can think of.
>
> The setups (call the servers "old" and "new"):
>
> old: 2 x 4-core Intel Xeon E5620
> new: 4 x 4-core Intel Xeon E5606

How are the filesystems formatted and mounted (-o nobarrier?)

regards
Yeb





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