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    SubjectRe: OOM-killer going crazy. (was: Re: memory not released after using cdrecord/cdrdao)
    Jan-Frode Myklebust wrote:
    > On Sun, Jul 25, 2004 at 09:30:38PM -0400, Ed Sweetman wrote:
    >
    >>Indeed, i burned a smaller cd and got very similar results.
    >
    >
    > Same here.. After upgrading to 2.6.8-rc2 the OOM-killer is going crazy.
    > It's particularly angry at the backup client 'dsmc' (from Tivoli Storage
    > Manager). I'm monitoring its usage with 'top', and 'dsmc' is not using
    > more than ~150MB in either size or RSS when the OOM-killer takes it down.
    >
    > The 'dsmc'-process is reporting that it's processed 2,719,000 files, and
    > transfered 164.34 MB when it gets killed. i.e. it's traversed a lot of
    > files, but only read about 164 MB data, so it shouldn't have filled up any
    > buffer cache...
    >
    > The system still has lots of free memory (~900 MB), and also 2 GB of
    > unused swap. Actually there's 0K used swap..??
    >
    > I've tried turning on vm.overcommit_memory, but it had no effect. Also
    > tried changing the swappiness both up to 90% and down to 10%, but it
    > never uses any swap.. ???
    >
    > BTW: I had no OOM-killer problems on 2.6.7.
    >

    Can you just check you CONFIG_SWAP is on and /proc/sys/vm/laptop_mode is 0,
    and that you have some swap enabled.

    If the problem persists, can you send a copy each of /proc/sys/fs/dentry-state,
    /proc/slabinfo and /proc/vmstat before and after you run dsmc until it goes
    OOM please?

    Thanks.
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