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Re: Ext3 vs. Reiser?



On Fri, Jan 18, 2002 at 02:07:39PM +0000, Stephen C. Tweedie wrote:
> It depends very much on the workload.  ext3 can often avoid seeks that
> ext2 has to do, because it can flush data out sequentially to the
> journal rather than having to seek to all the bitmap and inode blocks
> when writing out a change to disk.  This is especially noticeable with
> some synchronised-IO benchmarks, where ext2 has to seek all over the
> disk for every IO request, whereas ext3 can just append a bit more to
> the journal.

It is especially more try in the case of a mail spool where the
individual files are frequently deleted before the writeback interval
would cause them to actually get written to their real location on disk.
-- 
Bruce Guenter <bruceg em ca> http://em.ca/~bruceg/ http://untroubled.org/
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