SUMMARY: max-proc-per-user

From: Feuereisen, Gunther \(x8825\) <"Feuereisen,>
Date: Thu, 06 May 1999 12:03:07 +1000

Thanks to all who responded:

Krisztian Toth [Krisztian.Toth_at_Digital.com]
Sean O'Connell [sean_at_stat.Duke.EDU]
Loucks Guy [Guy.Loucks_at_det.nsw.edu.au]
Harry Eleftheriou [Harry.Eleftheriou_at_digital.com]
Volker Becker [becker_at_eurocontrol.de]
Dr. Tom Blinn, 603-884-0646 [tpb_at_doctor.zk3.dec.com]

My original post:

        Last night we ugraded an Alpha 4100 running 4.0B to 4.0D + Patch Kit
00003 (the one that works).

        When we do a sysconfig -q proc looking for max-proc-per-user we get:

        max-proc-per-user = 267

        In /etc/sysconfigtab we have:

        proc:
                max-proc-per-user = 1024

        Any ideas why this is happening, or where else this could be being
overridden
        from?

The problem was maxusers. When we upgraded, our kernel was recreated, and
maxusers had been
set in the kernel config file instead of /etc/sysconfigtab. so it defaulted
back to 32.

Kirztian pointed out that:

        The problem is that max-proc-per-user can't go larger than nproc
(maximum processes per system)
        minus 9. nproc is calculated from maxusers: nproc=maxusers*8 + 20.
If your system is set to the
        default value for maxusers (32), then nproc will be 276, and
max-proc-per-user will be capped at 267.

which is exactly what was happening to me.

Thanks to everyone for their help!

Gunther

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Received on Thu May 06 1999 - 02:05:50 NZST

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