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From: Tadipathri Raghu <traghu.dba@gmail.com>
To: Scott Marlowe <scott.marlowe@gmail.com>
Cc: Pierre C <lists@peufeu.com>
Cc: Jaime Casanova <jcasanov@systemguards.com.ec>
Cc: pgsql-performance@postgresql.org
Subject: Re: Why Wal_buffer is 64KB
Date: Mon, 29 Mar 2010 12:35:50 +0530
Message-ID: <645d9d71003290005q2ba3b33fhca45d9e2f6067f3b@mail.gmail.com> (raw)
In-Reply-To: <dcc563d11003282345w6d3e7adbh6458b0f5a7c3d4a6@mail.gmail.com>
References: <645d9d71003250801o246439a0j93c7b568786e98de@mail.gmail.com>
	<3073cc9b1003251015x590e962ata59dadbb58b42ce5@mail.gmail.com>
	<op.u94yaoixeorkce@localhost>
	<645d9d71003252019u6f01a513x7876c1a97b448dea@mail.gmail.com>
	<op.u96ge7lfeorkce@localhost>
	<dcc563d11003260700i71f4c974o27b3f1db2f9ef609@mail.gmail.com>
	<645d9d71003282300j6ef4a9d5pbfa257667e6a7e3a@mail.gmail.com>
	<dcc563d11003282345w6d3e7adbh6458b0f5a7c3d4a6@mail.gmail.com>

Hi Scott,

Yes, May i know any particular reason for behaving this. Are its looking for
any consistency. I havnt got any clear picture here.
Could you Please explain this..

Thanks & Regards
Raghavendra

On Mon, Mar 29, 2010 at 12:15 PM, Scott Marlowe <scott.marlowe@gmail.com>wrote:

> On Mon, Mar 29, 2010 at 12:00 AM, Tadipathri Raghu <traghu.dba@gmail.com>
> wrote:
> > Hi All,
> >
> > Thank you for all the support.
> >
> > I have noticed one more thing here, that if you turn off the fsync and
> try
> > to run the transaction than its breaking the currnet filenode and
> generating
> > another filenode. Is it true that whenever you turn off or on the fsync
> the
> > filenode will break and create one more on that table.
>
> From what I understand, with fsync on or off the same stuff gets
> written.  It's just not guaranteed to go out in the right order or
> right now, but eventually.
>

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