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 [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
- Re: scsi vs ide performance on fsync's Alan Cox
- Re: scsi vs ide performance on fsync's Linus Torvalds
- Re: scsi vs ide performance on fs... Stephen C. Tweedie
- Re: scsi vs ide performance o... Jens Axboe
- Re: scsi vs ide performance o... Andre Hedrick
- Re: scsi vs ide performance on fsync's Mike Black
- Re: scsi vs ide performance on fsync's Jeremy Hansen
- Re: scsi vs ide performance on fs... Jonathan Morton
- Re: scsi vs ide performance on fs... Jeremy Hansen
- Re: scsi vs ide performance o... Linus Torvalds
- Re: scsi vs ide performance o... Stephen C. Tweedie
- Re: scsi vs ide performance on fsync's David Balazic
- Re: scsi vs ide performance on fsync's Gregory Maxwell
- Re: scsi vs ide performance on fsync's Jonathan Morton
- Re: scsi vs ide performance on fsync's Mark Hahn
- Re: scsi vs ide performance on fsync's David Balazic
- Re: scsi vs ide performance on fsync's Jens Axboe
- Re: scsi vs ide performance on fsync's Stephen C. Tweedie
- Re: scsi vs ide performance on fsync's Jens Axboe
- Re: scsi vs ide performance on fsync's Stephen C. Tweedie
- Re: scsi vs ide performance on fs... Jens Axboe