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    SubjectRe: Problems raising fd limits in 1.3.78-1.3.80
    Hi,

    On Fri, 29 Mar 1996 23:26:41 -0500 (EST), David ``Joel Katz'' Schwartz
    <stimpson@stimpson.igc.net> said:

    > I used to have no problem raising the file descriptor and other
    > limits in kernel versions 1.3.57-1.3.78. I could raise NR_OPEN, OPEN_MAX,
    > and __FD_SETSIZE to 1024, NR_INODE to 4096, NR_FILE to 2048,
    > __FD_SET_LONGS to 32, and then easily handle over 800 clients on my IRC
    > server (igc.dal.net).

    It is not recommended to increase __FD_SET's size. Unfortunately,
    however large you make it, libc simply cannot cope with a select size
    larger than 256 fd's.

    As for the other parameters, you don't need to recompile the kernel.
    In all post-1.3.57 kernels, you could achieve your inode and file
    limits by (as root):
    echo 4096 > /proc/sys/kernel/inode-max
    echo 2048 > /proc/sys/kernel/file-max

    Cheers,
    Stephen.
    --
    Stephen Tweedie <sct@dcs.ed.ac.uk>
    Department of Computer Science, Edinburgh University, Scotland.



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