Re: effective_io_concurrency details - Mailing list pgsql-general

From Cédric Villemain
Subject Re: effective_io_concurrency details
Date
Msg-id AANLkTimUJXWQBtiMvJ6-mXapMr8xKgY1Sa8PEWgyo9-M@mail.gmail.com
Whole thread Raw
In response to effective_io_concurrency details  (pasman pasmański <pasman.p@gmail.com>)
List pgsql-general
2010/5/26 pasman pasmański <pasman.p@gmail.com>:
> Hello.
>
> I have 2 questions:
> Is effective_io_concurrency working on WinXP sp2 ?

no

> and what is the difference between effective_io_concurrency = 0
> and effective_io_concurrency = 1

0 disable prefetching.
1 allow a short prefetch window

>
>
> Postgres 8.4.4
> ------------
> pasman
>
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--
Cédric Villemain               2ndQuadrant
http://2ndQuadrant.fr/     PostgreSQL : Expertise, Formation et Support

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