Re: fsync delays for a long time.

Alan Cox (alan@lxorguk.ukuu.org.uk)
Thu, 14 Feb 2002 21:09:14 +0000 (GMT)

> > fsync on a very large file is very slow on the 2.2 kernels
>
> This could very well be due to request allocation starvation.
> fsync is sleeping in __get_request_wait() while bonnie keeps
> on stealing all the requests.

That may amplify it but in the 2.2 case fsync on any sensible sized file
is already horribly performing. It hits databases like solid quite badly
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