Messages in this thread | | | Date | Mon, 23 Aug 2004 19:00:45 +0200 | From | Jens Axboe <> | Subject | Re: Kernel 2.6.8.1: swap storm of death - CFQ scheduler=culprit |
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On Mon, Aug 23 2004, Karl Vogel wrote: > > > Jens, is this huge amount of bio/biovec's allocations > > expected with CFQ? Its really really bad. > > > > Nope, it's not by design :-) > > > > A test case would be nice, then I'll fix it as soon as possible. But > > please retest with 2.6.8.1 marcelo, 2.6.8-rc4 is missing an important > > fix to ll_rw_blk that can easily cause this. The first report is for > > 2.6.8.1, so I'm more puzzled on that. > > I tried with 2.6.8.1 and 2.6.8.1-mm4, both had the problem. If there > is anything extra I need to try/record, just shoot! > > Original post with testcase + stats: > http://article.gmane.org/gmane.linux.kernel/228156
Good report, I'll reproduce it here tomorrow. Thanks!
-- Jens Axboe
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