Re: Fwd: FreeBSD, PostgreSQL, semwait and sbwait!

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От Mark Kirkwood
Тема Re: Fwd: FreeBSD, PostgreSQL, semwait and sbwait!
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Msg-id 4061502E.6030201@paradise.net.nz
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Ответ на Re: Fwd: FreeBSD, PostgreSQL, semwait and sbwait!  (Josh Berkus <josh@agliodbs.com>)
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Josh Berkus wrote:

> Forget hyperthreading. Look at their postgresql.conf settings. 8mb shared
>
>mem, 16mb sort mem per connection for 512 connections, default
>effective_cache_size.
>
>
>
Umm...its 64Mb shared buffers isn't it ?

However agree completely with general thrust of message.... particularly
the 16Mb of sort mem / connection - a very bad idea unless you are
running a data warehouse box for only a few users (not 512 of them...)

regards

Mark


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