[svlug] Sync command slowdown
james at linuxrebel.org
Mon Nov 24 19:46:59 PST 2008
On Monday 24 November 2008 18:30:56 Brian J. Tarricone wrote:
> Greg Lindahl wrote:
> > sync is a big club: it syncs all the files in the system instead of
> > just the ones you care about. And it can kill performance for other
> > processes if there are a lot of pages to be written out.
> Though, if you're using ext3, a whole-disk sync() and a single-file
> fsync() are sadly equivalent with certain (common?) journaling modes.
> (See the not-so-recent Firefox 3 bug relating to fsync() when
> committing various sqlite databases to disk.)
>  https://bugzilla.mozilla.org/show_bug.cgi?id=421482
> svlug mailing list
> svlug at lists.svlug.org
Ok, Following bugs and links I found this bug in the kernel
This seems to match identically what I've got going on. I've now setup
the test system to where all partitions are running in the writeback
mode, for the journal instead of the default ordered mode. Finger
Again all thanks!
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