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Re: [PATCH] Prefetch index pages for B-Tree index scans

From: Claudio Freire <klaussfreire(at)gmail(dot)com>
To: Andres Freund <andres(at)2ndquadrant(dot)com>
Cc: PostgreSQL-Dev <pgsql-hackers(at)postgresql(dot)org>, Marti Raudsepp <marti(at)juffo(dot)org>, cedric(at)2ndquadrant(dot)com, John Lumby <johnlumby(at)hotmail(dot)com>
Subject: Re: [PATCH] Prefetch index pages for B-Tree index scans
Date: 2012-11-01 18:15:20
Message-ID: CAGTBQpY51h3ttsfqoUnkT1nASKQZm2OvTL0yHLqmJ2j20LX8gw@mail.gmail.com (view raw or flat)
Thread:
Lists: pgsql-hackers
On Thu, Nov 1, 2012 at 2:00 PM, Andres Freund <andres(at)2ndquadrant(dot)com> wrote:
>> > I agree. I'm a bit hesitant to subscribe to yet another mailing list
>>
>> FYI you can send messages to linux-kernel without subscribing (there's
>> no moderation either).
>>
>> Subscribing to linux-kernel is like drinking from a firehose :)
>
> linux-fsdevel is more reasonable though...

readahead logic is not at the filesystem level, but the memory mapper's.

I'll consider posting without subscribing.


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