Messages in this thread | | | Date | Thu, 8 Mar 2001 11:06:20 +0000 | From | "Stephen C. Tweedie" <> |
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Hi,
On Wed, Mar 07, 2001 at 10:36:38AM -0800, Linus Torvalds wrote: > On Wed, 7 Mar 2001, Jeremy Hansen wrote: > > > > So in the meantime as this gets worked out on a lower level, we've decided > > to take the fsync() out of berkeley db for mysql transaction logs and > > mount the filesystem -o sync. > > > > Can anyone perhaps tell me why this may be a bad idea? > > - it doesn't help. The disk will _still_ do write buffering. It's the > DISK, not the OS. It doesn't matter what you do. > - your performance will suck.
Added to which, "-o sync" only enables sync metadata updates. It still doesn't force an fsync on data writes.
--Stephen - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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