Re: fallocate / posix_fallocate for new WAL file creation (etc...)

From: Peter Eisentraut <peter_e(at)gmx(dot)net>
To: Jeff Davis <pgsql(at)j-davis(dot)com>
Cc: Andrew Dunstan <andrew(at)dunslane(dot)net>, Josh Berkus <josh(at)agliodbs(dot)com>, pgsql-hackers(at)postgresql(dot)org, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Subject: Re: fallocate / posix_fallocate for new WAL file creation (etc...)
Date: 2013-07-01 20:04:46
Message-ID: 51D1E0DE.9090009@gmx.net
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On 7/1/13 12:34 PM, Jeff Davis wrote:
> On Sun, 2013-06-30 at 16:09 -0400, Andrew Dunstan wrote:
>> It was originally generated. Since then it's been maintained by hand.
>
> What is the procedure for maintaining it by hand?

Edit away.

> Why are
> HAVE_POSIX_SIGNALS and HAVE_SYNC_FILE_RANGE in there (though commented
> out), but not HAVE_POSIX_FADVISE?

Because maintaining it by hand is prone to inconsistencies. I wouldn't
worry about it.

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