| From: | Mark Wong <markw(at)osdl(dot)org> |
|---|---|
| To: | ITAGAKI Takahiro <itagaki(dot)takahiro(at)lab(dot)ntt(dot)co(dot)jp> |
| Cc: | pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: WAL: O_DIRECT and multipage-writer |
| Date: | 2005-03-23 23:59:20 |
| Message-ID: | 20050323235920.GA8864@osdl.org |
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| Thread: | |
| Lists: | pgsql-hackers pgsql-patches |
On Wed, Mar 23, 2005 at 01:55:46PM +0900, ITAGAKI Takahiro wrote:
> Hi, Mark.
>
> Mark Wong <markw(at)osdl(dot)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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