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SubjectRe: [BUG] Error reading multiple large files
> > 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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