Re: WAL: O_DIRECT and multipage-writer - Mailing list pgsql-hackers

From Mark Wong
Subject Re: WAL: O_DIRECT and multipage-writer
Date
Msg-id 20050323235920.GA8864@osdl.org
Whole thread Raw
In response to Re: WAL: O_DIRECT and multipage-writer  (ITAGAKI Takahiro <itagaki.takahiro@lab.ntt.co.jp>)
List pgsql-hackers
On Wed, Mar 23, 2005 at 01:55:46PM +0900, ITAGAKI Takahiro wrote:
> Hi, Mark.
> 
> Mark Wong <markw@osdl.org> wrote:
> 
> > In light of this thread, have you compared the performance on
> > Linux-2.4?
> 
> No, but I'm just testing my patch on Linux-2.4 with a middle-range server.
> I will report the results sometime soon.
> 
> 
> By the way, I found the debug option (XLOG_MULTIPAGE_WRITER_DEBUG) was enabled
> in your prior benchmarks. It writes logs a lot.
> I hope performance doesn't fall at least without debug.

That's 'log_min_messages = debug1' right?  Maybe I should give it
another go with that set back to the default.

Thanks,
Mark


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