Messages in this thread | | | Date | Thu, 11 May 2006 18:43:36 +0300 | From | Avi Kivity <> | Subject | Re: ext3 metadata performace |
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Dieter Stüken wrote: > after I switched from from ext2 to ext3 i observed some severe > performance degradation. Most discussion about this topic deals > with tuning of data-io performance. My problem however is related to > metadata updates. When cloning (cp -al) or deleting directory trees I > find, that about 7200 files are created/deleted per minute. Seems > this is related to some ex3 strategy, to wait for each metadata to be > written to disk. Interestingly this occurs with my new hw-raid > controller (3ware 9500S), which even has an battery buffered disk cache. > Thus there is no need for synchronous IO anyway. If I disable the > disk cache on my plain SATA disk using ext3, I also get this behavior. > Try increasing the journal size (mkfs -t ext3 -J size=20000) and see if that improves things.
-- error compiling committee.c: too many arguments to function
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