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Re: Optimize kernel readahead using buffer access strategy - Mailing list pgsql-hackers

From Claudio Freire
Subject Re: Optimize kernel readahead using buffer access strategy
Date
Msg-id CAGTBQpbzdmo2M4R9WWAPU91zkAwf5T6XFm2ZV+rW+eaFi3Z7bg@mail.gmail.com
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In response to Re: Optimize kernel readahead using buffer access strategy  (KONDO Mitsumasa <kondo.mitsumasa@lab.ntt.co.jp>)
Responses Re: Optimize kernel readahead using buffer access strategy
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On Wed, Dec 11, 2013 at 3:14 AM, KONDO Mitsumasa
<kondo.mitsumasa@lab.ntt.co.jp> wrote:
>
>> enable_readahead=os|fadvise
>>
>> with os = on, fadvise = off
>
> Hmm. fadvise is method and is not a purpose. So I consider another idea of
> this GUC.


Yeah, I was thinking of opening the door for readahead=aio, but
whatever clearer than on-off would work ;)

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