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Re: adding support for posix_fadvise()

From: Neil Conway <neilc(at)samurai(dot)com>
To: PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: adding support for posix_fadvise()
Date: 2003-11-03 06:15:30
Message-ID: 1067840130.3089.177.camel@tokyo (view raw, whole thread or download thread mbox)
Lists: pgsql-hackers
On Mon, 2003-11-03 at 01:07, Neil Conway wrote:
> (1) As Manfred originally noted, when we advance to a new XLOG segment,
> we can use POSIX_FADV_DONTNEED to let the kernel know we won't be
> accessing the old WAL segment anymore. I've attached a quick kludge of a
> patch that implements this. I haven't done any benchmarking of it yet,
> though (comments or benchmark results are welcome).

Woops, the patch is attached.


Attachment: xlog-fadvise-1.patch
Description: text/x-patch (1.6 KB)

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