Re: High latencies writing to a memory mapped file

Matthias Schniedermeyer
2010-07-27T11:24:15Z

On 27.07.2010 12:47, Emmanuel Florac wrote:
> Le Tue, 27 Jul 2010 11:24:52 +0200
> Matthias Schniedermeyer <ms@citd.de> écrivait:
>
> > In case anybody has an idea what i could do to identify and/or
> > isolate the root-cause, i'm open for suggestions.
> >
>
> I'd thought that the io scheduler is the culprit. I've generally found
> that the default CFQ scheduler (default) is terrible for file servers.

I have 'deadline'ed the server, if that is the culprit then i will
"know" in about a month. (As i don't know how to force the problem i can
only wait for the problem not to happen. :-| )

Bis denn

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