Messages in this thread | | | From | Alexey Kopytov <> | Subject | Re: Random file I/O regressions in 2.6 [patch+results] | Date | Fri, 21 May 2004 23:32:32 +0400 |
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On Thursday 20 May 2004 05:31, Ram Pai wrote: >On Wed, 2004-05-19 18:06, Alexey Kopytov wrote: >> Ram, can you clarify the status of this patch please? >> >> I ran the same sysbench test on my hardware with patched 2.6.6 and got >> 122.2348s execution time, i.e. almost the same results as in the original >> tests. Is this patch an intermediate step to improve the sysbench workload >> on 2.6, or it just addresses another problem? > >this patch by itself does not address your problem. Your problem is >better addressed by Andrew's 'readahead-private' patch. > >However; this patch applied on top of Andrew's 'readahead-private' patch >may get you some extra performance. > >Can you confirm this please?
Yes.
2.6.6-rc3 + Andrew's patch:
Time spent for test: 86.5459s
2.6.6-bk:
Time spent for test: 83.1929s
Thanks for clarifying!
-- Alexey Kopytov, Software Developer MySQL AB, www.mysql.com
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