Date: Tue, 12 Dec 2000 12:46:30 -0800 (PST) From: Matt Dillon <dillon@earth.backplane.com> To: Kachun Lee <kachun@pathlink.com> Cc: freebsd-stable@freebsd.org Subject: Re: Extreme high load with 12/7 4-releng Message-ID: <200012122046.eBCKkUc52350@earth.backplane.com> References: <200012120230.SAA32402@pathlink.net> <200012121801.KAA42878@pathlink.net>
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:Yep, they are news (nntp) frontends, but no feed stuff. They run a custom
:nntpd that access the spool by NFS. They have been running that way for
:several years and the last rev to the nntpd was at least 6 months old. This
:was the top from a server still running 4.1.1-releng (just before
:4.2-release):
:
:--------
:last pid: 73544; load averages: 1.52, 2.07, 2.24 up 1+20:15:10
:20:43:28
:574 processes: 7 running, 567 sleeping
:CPU states: 19.5% user, 0.4% nice, 22.9% system, 9.9% interrupt, 47.3% idle
:Mem: 286M Active, 92M Inact, 107M Wired, 15M Cache, 61M Buf, 996K Free
:Swap: 600M Total, 600M Free
:-------
:
:I saw there was a big different in Inact and no swap used.
:
:>:-----
:>:last pid: 26893; load averages: 36.05, 40.55, 47.01 up 0+04:29:07
:>:18:14:54
:>:513 processes: 9 running, 503 sleeping, 1 zombie
:>:CPU states: 21.3% user, 0.7% nice, 30.0% system, 10.7% interrupt, 37.3%
:idle
:>:Mem: 196M Active, 204M Inact, 83M Wired, 17M Cache, 61M Buf, 1152K Free
:>:Swap: 600M Total, 17M Used, 583M Free, 2% Inuse, 232K Out
:
:Here was a pxl from one of the servers... thanks for helping
:
: UID PID PPID CPU PRI NI VSZ RSS WCHAN STAT TT TIME COMMAND
: 0 0 0 0 -18 0 0 0 sched DLs ?? 0:00.74 (swapper)
:...
Hmm. It all looks normal, even the swap useage. Except for the
load average. Is the machine less responsive then normal? It could
just be the way the load average is being computed.
-Matt
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