I'm using redhat 6.2 - kernel 2.2.19. nocem is off
here is an output of ps -auwxf | grep nntp and top
news 23338 90.8 0.2 67092 904 ? R Apr20 3843:33 nntpcache:
waiting for connections
news 30224 0.6 0.2 67252 1124 ? RN 08:58 0:00 \_
nntpcache: unknown@ns.mustek.co.za [alt.binaries.pictures.centerf
news 30225 0.2 0.2 67248 1120 ? RN 08:58 0:00 \_
nntpcache: unknown@ns.mustek.co.za [alt.binaries.pictures.centerf
8:59am up 36 days, 21:03, 2 users, load average: 2.77, 2.61, 2.54
28 processes: 24 sleeping, 4 running, 0 zombie, 0 stopped
CPU states: 48.7% user, 38.4% system, 10.2% nice, 2.5% idle
Mem: 387460K av, 384200K used, 3260K free, 9348K shrd, 318960K buff
Swap: 527828K av, 912K used, 526916K free 22704K cached
PID USER PRI NI SIZE RSS SHARE STAT LIB %CPU %MEM TIME COMMAND
23338 news 10 0 904 904 756 R 0 86.7 0.2 3844m
nntpcached
31046 root 19 19 15876 15M 560 R N 0 10.3 4.0 18033m
setiathome
30248 root 1 0 1016 1016 832 R 0 1.3 0.2 0:00 top
1 root 0 0 124 72 60 S 0 0.0 0.0 0:55 init
2 root 0 0 0 0 0 SW 0 0.0 0.0 0:00 kflushd
3 root 0 0 0 0 0 SW 0 0.0 0.0 1:14 kupdate
4 root 0 0 0 0 0 SW 0 0.0 0.0 0:00 kpiod
5 root 0 0 0 0 0 SW 0 0.0 0.0 0:33 kswapd
6 root -20 -20 0 0 0 SW< 0 0.0 0.0 0:00
mdrecoveryd
320 bin 0 0 248 212 164 S 0 0.0 0.0 0:00 portmap
394 daemon 0 0 144 104 76 S 0 0.0 0.0 0:00 atd
408 root 0 0 168 112 80 S 0 0.0 0.0 0:09 crond
418 root 0 0 500 404 332 S 0 0.0 0.1 0:09 sshd
448 root 0 0 84 24 16 S 0 0.0 0.0 0:00 gpm
484 root 0 0 68 0 0 SW 0 0.0 0.0 0:00 mingetty
485 root 0 0 68 0 0 SW 0 0.0 0.0 0:00 mingetty
486 root 0 0 68 0 0 SW 0 0.0 0.0 0:00 mingetty
487 root 0 0 68 0 0 SW 0 0.0 0.0 0:00 mingetty
488 root 0 0 68 0 0 SW 0 0.0 0.0 0:00 mingetty
489 root 0 0 68 0 0 SW 0 0.0 0.0 0:00 mingetty
23509 root 0 0 564 564 464 S 0 0.0 0.1 0:06 syslogd
23518 root 0 0 756 756 388 S 0 0.0 0.1 0:00 klogd
30108 root 0 0 1528 1476 1192 S 0 0.0 0.3 0:00 sshd
30109 root 0 0 996 996 772 S 0 0.0 0.2 0:00 bash
30206 root 0 0 1528 1476 1192 R 0 0.0 0.3 0:00 sshd
30209 root 0 0 1000 1000 772 S 0 0.0 0.2 0:00 bash
30247 news 10 10 1108 1108 876 S N 0 0.0 0.2 0:00
nntpcached
30249 news 10 10 1076 1076 876 S N 0 0.0 0.2 0:00
nntpcached
----
Chris Picton
BTG Networks Systems Developer
Chris.Picton@BTGNet.net
> -----Original Message-----
> From: Peter Tonoli [mailto:anarchie@metaverse.org]
> Sent: Saturday, April 21, 2001 11:03 AM
> To: nntpcache-users@suburbia.net
> Cc: nntpcache-users@suburbia.net
> Subject: NNTPC: Performance
>
>
>
> Hi!
>
> On Fri, 20 Apr 2001, Chris Picton wrote:
>
> > I'm runnning into a bit of a problem on our nntpcache machine
> >
> > The main nntpcache process seems to stay at about 90% cpu
> usage (PII 350)
> >
> > I am beginning to suspect the disk drives as causing a
> bottleneck here.
> >
> > I have a 35 Gig spool for the news articles mounted on
> > /usr/local/var/nntpcache.
>
> How many users have you got? total & simultaneous..
>
> I don't know what OS you're using. If you're using Linux 2.4,
> switching to
> ReiserFS might help for those article directories with multitudes of
> files.
>
> > In nntpcache.config, I have cacheDir set to
> /usr/local/var/nntpcache/
> >
> > The history files are in /usr/local/var/nntpcache
> > The cached news articles are in
> /usr/local/var/nntpcache/news.upstream.net.
> >
> > If I were to change the history file to be on a different
> scsi disk, would
> > this improve my performance?
>
> A different spindle would help, so would RAID.. I can't say I've seen
> nntpcache chew up tremendous disk on the systems I have run it on.
>
> > eg set historyFile to
> /usr/local/var/nntpcache/history/cache.history, and
> > mount another scsi on /usr/local/var/nntpcache/history.
> >
> > Would there be any other reason for nntpcached to be using
> so much cpu?
>
> NoCEM? If NoCEM's on, definitely turn it off! :-)
>
> Cheers,
> Peter.
>
> --
> Until I loved, life had no beauty;
> I did not know I lived until I had loved. (Theodor Korner)
>
>
