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    SubjectRe: ~500 megs cached yet 2.6.5 goes into swap hell


    Paul Jackson wrote:

    > Heh - indeed perhaps the answer is closer than I realize. For SGI's big
    > NUMA boxes, managing memory placement is sufficiently critical that we
    > are inventing or encouraging ways (such as Andi Kleen's numa stuff) to
    > control memory placement per node per job. Perhaps this needs to be
    > extended to portions of a node (this job can only use 1 Gb of the memory
    > on that 2 Gb node) and to other memory uses (file cache, not just user
    > space memory).
    >

    Is updatedb run with a nice level greater than zero?

    Perhaps nice level could influence how much a process is allowed to
    affect page cache.

    -
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