Re: Out of memory on vacuum analyze

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От Jim Nasby
Тема Re: Out of memory on vacuum analyze
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Msg-id 5982FDC4-A0A8-4A3B-98C1-D0FE9E55485D@decibel.org
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Ответ на Re: Out of memory on vacuum analyze  (Stefan Kaltenbrunner <stefan@kaltenbrunner.cc>)
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On Feb 21, 2007, at 12:58 AM, Stefan Kaltenbrunner wrote:
> Have you actually measured a performance improvment going beyond
> 250-350MB(that seemed about to be the sweet spot last I tested) or so
> for index creation and friends ?

To be honest, no; I just set it high to play on the safe side. But I
have seen reports of large in-memory sorts actually being slower than
tape sorts in some cases, so I probably am leaving some performance
on the table.
--
Jim Nasby                                            jim@nasby.net
EnterpriseDB      http://enterprisedb.com      512.569.9461 (cell)



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