Messages in this thread | | | Date | Wed, 9 Jan 2002 15:03:56 +0100 (CET) | From | Roy Sigurd Karlsbakk <> | Subject | Re: [BUG] Error reading multiple large files |
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> > It seemed like it helped first, but after a while, some 99 processes went > > Defunct, and locked. After this, the total 'bi' as reported from vmstat > > went down to ~ 900kB per sec > > Bad news for Andrew's patch, however I really don't think it would have > helped you much in the first place. The problem seems to be down to > loosing read-ahead when cache ends up eating all of available memory, > I've seen this effect myself too. Maybe the vm needs to be more > aggressive about tossing out pages when this happens, I'm quite sure > that would help tremendously for this workload.
Thanks for answering. I'm really close to giving up and have already started testing on *BSD unices.
It seems reasonable if that (tossing old pages) could be the problem.
Thanks, guys
-- Roy Sigurd Karlsbakk, MCSE, MCNE, CLS, LCA
Computers are like air conditioners. They stop working when you open Windows.
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