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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Andres Freund <andres@anarazel.de>
Cc: Greg Stark <gsstark@mit.edu>
Cc: Robert Haas <robertmhaas@gmail.com>
Cc: pgsql-hackers@postgresql.org
Subject: Re: Re: Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)
Date: Sun, 14 Feb 2010 12:37:15 -0500
Message-ID: <22649.1266169035@sss.pgh.pa.us> (raw)
In-Reply-To: <201002141827.04993.andres@anarazel.de>
References: <4427a97a0912101235x3ade510blcc00d5ce9883c6b6@mail.gmail.com>
	<407d949e1002140731j85a4f97nc053ec1b0f3cc458@mail.gmail.com>
	<22295.1266167499@sss.pgh.pa.us>
	<201002141827.04993.andres@anarazel.de>

Andres Freund <andres@anarazel.de> writes:
> On Sunday 14 February 2010 18:11:39 Tom Lane wrote:
>> It seems to me that we're talking about a huge hit in both code
>> complexity and performance to deal with a problem that doesn't actually
>> occur in the field; and which furthermore is trivially solved on any
>> modern filesystem by choosing the right filesystem options.  Why don't
>> we just document those options, instead?

> Which options would that be? I am not aware that there any for any of the 
> recent linux filesystems.

Shouldn't journaling of metadata be sufficient?

			regards, tom lane



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