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SubjectRe: PROBLEM: Blk Dev Cache causing kswapd thrashing
On Tue, Nov 25, 2003 at 04:03:56PM -0500, Chris Petersen wrote:
> The block device cache is causing kswapd thrashing, usually bringing
> the system to a halt.
> This problem has been reproduced on kernels as recent as 2.4.21.
> In our application we deal with large (multi-GB) files on multi-CPU
> 4GB platforms. While handling these files, the block device cache
> allocates all remaining available memory (3.5G) up to the 4G
> physical limit.

Please try 2.4.23-rc5, and if that doesn't fix it, try 2.6.0-test10.
AIUI both have page replacement improvements over 2.4.21.

-- wli
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