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SubjectRe: filesystem access slowing system to a crawl
> Hi,
> maybe you could help me out with a really weird problem we're having
> with a NFS fileserver for a couple of webservers:
> - Dual Xeon 2.2 GHz
> - 6 GB RAM
> - QLogic FCAL Host adapter with about 5.5 TB on a several RAIDs
> - Debian "woody" w/Kernel 2.4.19
> Running just "find /" (or ls -R or tar on a large directory) locally
> slows the box down to absolute unresponsiveness - it takes minutes
> to just run ps and kill the find process. During that time, kupdated
> and kswapd gobble up all available CPU time.

Could be that your "low memory" is filled up with inodes. This would
only happen in these tests if you're using ext2, and there are a *lot*
of directories.

I've prepared a lineup of Andrea's VM patches at

It would be useful if you could apply 10_inode-highmem-2.patch and
report back. It applies to 2.4.19 as well, and should work OK there.

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