On Wed, Dec 20, 2006 at 09:14:50PM +0900, Takayuki Tsunakawa wrote: > > That implies that fsyncing a datafile blocks fsyncing the WAL. That > > seems terribly unlikely (although...). What OS/Kernel/Filesystem is > > this. I note a sync bug in linux for ext3 that may have relevence. > > Oh, really? What bug? I've heard that ext3 reports wrong data to > iostat when it performs writes (the data is correct when performing > reads.)
I was referring to this in the 2.6.6 changelog: http://www.linuxhq.com/kernel/changelog/v2.6/6/index.html ext3's fsync/fdatasync implementation is currently syncing the inode via a full journal commit even if it was unaltered. However you're running a later version so that's not it. Have a nice day, -- Martijn van Oosterhout <kleptog@svana.org> http://svana.org/kleptog/ > From each according to his ability. To each according to his ability to > litigate.
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