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Re: ITP memlockd



>>>>> "Russell" == Russell Coker <russell@coker.com.au> writes:

    Russell> memlockd - daemon to lock files into RAM When a system

Can I assume there is meant to be a full stop after RAM? It reads very
differently otherwise...

    Russell> starts paging excessively it may be impossible for the
    Russell> sysadmin to login for the purpose of killing the runaway
    Russell> processes (sometimes the login program times out due to
    Russell> thrashing).  Memlockd allows important system files (such
    Russell> as /bin/login, /bin/getty, and the admin shell) to be
    Russell> locked in memory so that there will be no delay in
    Russell> accessing executable pages.  In my tests this can
    Russell> decrease the time required for the administrator to login
    Russell> on a thrashing system by a factor of more than 3.

How much memory typically needs to be locked for this to be
beneficial?

(I guess this would depend on what PAM and NSS modules you use...)
-- 
Brian May <bam@snoopy.debian.net>



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