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Quad Xeon or Quad Opteron?

From: Andrzej Zawadzki <zawadaa(at)wp(dot)pl>
To: pgsql-performance(at)postgresql(dot)org
Subject: Quad Xeon or Quad Opteron?
Date: 2008-05-23 10:41:29
Message-ID: 48369F59.60902@wp.pl (view raw or flat)
Thread:
Lists: pgsql-performance
Hello,

 We're planning new production server for PostgreSQL and I'm wondering
which processor (or even platform) will be better: Quad Xeon or Quad
Opteron (for example SUN now has a new offer Sun Fire X4440 x64).

When I was buying my last database server, then SUN v40z was a really
very good choice (Intel's base server was slower). This v40z still works
pretty good but I need one more.

AFAIK Intel made some changes in chipset but... is this better then AMD
HyperTransport and Direct Connect Architecture from database point of
view? How about L3 cache - is this important for performance?

Do You have any opinions? Suggestions?

Thanks,

Best regards

-- 
Andrzej Zawadzki

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Next:From: Craig RingerDate: 2008-05-23 11:34:41
Subject: Re: Quad Xeon or Quad Opteron?
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Subject: join/from_collapse_limit and geqo_threshold default values

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