Re: win32 performance - fsync question

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: "Magnus Hagander" <mha(at)sollentuna(dot)net>
Cc: "Merlin Moncure" <merlin(dot)moncure(at)rcsonline(dot)com>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: win32 performance - fsync question
Date: 2005-02-17 20:15:39
Message-ID: 10551.1108671339@sss.pgh.pa.us
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"Magnus Hagander" <mha(at)sollentuna(dot)net> writes:
> Is there actually a reason why we don't use O_DIRECT on Unix?

Portability, or rather the complete lack of it. Stuff that isn't in the
Single Unix Spec is a hard sell.

regards, tom lane

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