[svlug] Sync command slowdown
james at linuxrebel.org
Mon Nov 24 19:15:22 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
Quick note to both who have replied. Thanks this is useful info to chew
on. So far I've used both the default and the the writeback journaling
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