Re: Closing some 8.4 open items

From: Magnus Hagander <magnus(at)hagander(dot)net>
To: Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>
Cc: Dave Page <dpage(at)pgadmin(dot)org>, Josh Berkus <josh(at)agliodbs(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Robert Haas <robertmhaas(at)gmail(dot)com>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: Closing some 8.4 open items
Date: 2009-04-08 17:51:18
Message-ID: 49DCE416.70809@hagander.net
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Heikki Linnakangas wrote:
> Dave Page wrote:
>> On Wednesday, April 8, 2009, Josh Berkus <josh(at)agliodbs(dot)com> wrote:
>>> Presumably fadvise is useless on Windows. Anyone know?
>>
>> It is.
>
> cygwin supports POSIX_FADV_SEQUENTIAL (and POSIX_FADV_NORMAL to revert
> it), but not any of the other flags. It maps it to
> NtSetInformationFile() like this:

We set this in our open() wrapper in the code today. That doesn't
support changing it after the fact, of course.

//Magnus

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