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ext3's slow fsync()ext3's slow fsync()Posted Mar 19, 2009 2:19 UTC (Thu) by xoddam (subscriber, #2322)In reply to: ext4 and data loss by cpeterso Parent article: ext4 and data loss
In default data=ordered mode, fsync(file) on ext3 is more-or-less equivalent to a sync of the entire filesystem. It forces all dirty file blocks to be flushed even those belonging to unrelated tasks, and the caller has to wait for the entire operation to complete. There is no clean way to flush the dirty blocks of only the desired file.
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