wal sync method

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To: pgsql-performance@xxxxxxxxxxxxxx
Subject: wal sync method
From: Evgeny Gridasov <eugrid@xxxxxxxxxxxx>
Date: Mon, 27 Feb 2006 15:08:19 +0300
In-reply-to: <5709.1128146518@xxxxxxxxxxxxx>
References: <BF616D3C.104C3%llonergan@xxxxxxxxxxxxx> <1128015863.11474.9.camel@noodles> <5709.1128146518@xxxxxxxxxxxxx>

Hi everybody!

Which wal sync method is the fastest under linux 2.6.x?
I'm using RAID-10 (JFS filesystem), 2xXEON, 4 Gb RAM.

I've tried to switch to open_sync which seems to work 
faster than default fdatasync, but is it crash-safe?

-- 
Evgeny Gridasov
Software Engineer 
I-Free, Russia

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