Re: Introducing a new linux readahead framework

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Michael Stone
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Re: Introducing a new linux readahead framework
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20060427114340.GE31328@mathom.us
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Re: Introducing a new linux readahead framework (Michael Stone)
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Introducing a new linux readahead framework Wu Fengguang <wfg@mail.ustc.edu.cn>
Re: Introducing a new linux readahead framework Steve Poe <steve.poe@gmail.com>
Re: Introducing a new linux readahead framework "Jim C. Nasby" <jnasby@pervasive.com>
Re: [Bizgres-general] Introducing a new linux "Luke Lonergan" <llonergan@greenplum.com>
Re: [Bizgres-general] Introducing a new linux Michael Stone <mstone+postgres@mathom.us>
Re: Introducing a new linux readahead framework "Jim C. Nasby" <jnasby@pervasive.com>
Re: Introducing a new linux readahead framework Wu Fengguang <wfg@mail.ustc.edu.cn>
Re: Introducing a new linux readahead framework Markus Schaber <schabi@logix-tt.com>
Re: Introducing a new linux readahead framework Wu Fengguang <wfg@mail.ustc.edu.cn>
Re: Introducing a new linux readahead framework "Jim C. Nasby" <jnasby@pervasive.com>
Re: Introducing a new linux readahead framework Wu Fengguang <wfg@mail.ustc.edu.cn>
Re: Introducing a new linux readahead framework Michael Stone <mstone+postgres@mathom.us>
Re: Introducing a new linux readahead framework Michael Stone <mstone+postgres@mathom.us> 
On Wed, Apr 26, 2006 at 10:43:48AM -0400, Michael Stone wrote:
>patch a 512k blocksize would get ~100MB/s. I'm now watching to see how 
>it does over a couple of days on real-world workloads. 

I've got one DB where the VACUUM ANALYZE generally takes 11M-12M ms;
with the patch the job took 1.7M ms. Another VACUUM that normally takes 
between 300k-500k ms took 150k. Definately a promising addition.

Mike Stone
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