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slackware qmail server - ksoftirqd high load
slackware - qmail server - ksoftirqd - high load
qmail/webmail box constantly getting pinned during the day, culprit looks like the ksoftirqd process. Looking to get ideas what this could mean, read a bunch posts, pointing back to hardware, but need more ways to pin point the issue, if any besides just high load.
Long term, breaking this box & up moving pieces off to other systems...
Short term solution up for grabs?
----info----
running a slackware 10.00 box with 2.6.21.7 #1 SMP
x4 Intel(R) Xeon(TM) CPU 2.40GHz
2gb mem
ps -auxf |sort -nr -k 3 |head -4
root 3 19.4 0.0 0 0 ? RN Nov15 5364:35 [ksoftirqd/0]
vpopmail 25430 11.0 0.3 9744 8140 ? D 12:38 0:00 \_ /usr/bin/perl -T /var/www/cgi-bin/webmail/.openwebmail-main.pl
vpopmail 25462 9.0 0.0 1420 316 ? S 12:38 0:00 | \_ /var/qmail/bin/qmail-pop3d Maildir
vpopmail 25386 6.8 0.4 10068 8500 ? S 12:38 0:00 | \_ /usr/bin/perl -T /var/www/cgi-bin/webmail/.openwebmail-main.pl
ps -auxf |sort -nr -k 4 |head -4
root 520 3.3 0.5 14372 12156 ? S Nov15 915:36 /usr/bin/perl /usr/local/bin/smtpipt
vpopmail 26940 9.0 0.3 10160 8136 ? D 12:40 0:00 | \_ /usr/bin/perl -T /var/www/cgi-bin/webmail/.openwebmail-main.pl
vpopmail 26739 22.5 0.3 9940 8156 ? D 12:39 0:04 | \_ /usr/bin/perl -T /var/www/cgi-bin/webmail/.openwebmail-main.pl
vpopmail 26735 1.7 0.3 9752 7980 ? D 12:39 0:00 | \_ /usr/bin/perl -T /var/www/cgi-bin/webmail/.openwebmail-main.pl
Tasks: 174 total, 5 running, 167 sleeping, 0 stopped, 2 zombie
Cpu(s): 11.4% us, 6.0% sy, 0.0% ni, 35.4% id, 22.1% wa, 0.1% hi, 25.0% si
Mem: 2075672k total, 2019012k used, 56660k free, 256220k buffers
Swap: 2008084k total, 0k used, 2008084k free, 1339772k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
3 root 39 19 0 0 0 R 70.7 0.0 5357:49 ksoftirqd/0
25960 root 16 0 101m 97m 836 S 16.6 4.8 31:33.56 rsync
520 root 16 0 14372 11m 1056 S 7.6 0.6 914:19.94 perl
799 vpopmail 15 0 1424 324 260 S 3.7 0.0 0:00.78 qmail-pop3d
2 root RT 0 0 0 0 S 2.7 0.0 12:15.74 migration/0
2071 vpopmail 15 0 1520 420 260 S 2.3 0.0 0:00.07 qmail-pop3d
2128 vpopmail 15 0 1424 324 260 S 2.3 0.0 0:00.07 qmail-pop3d
2156 vpopmail 15 0 1456 356 260 S 2.3 0.0 0:00.07 qmail-pop3d
2052 vpopmail 15 0 1416 316 260 S 2.0 0.0 0:00.06 qmail-pop3d
2155 vpopmail 15 0 1420 320 260 S 2.0 0.0 0:00.06 qmail-pop3d
2179 vpopmail 17 0 1420 320 260 S 2.0 0.0 0:00.06 qmail-pop3d
2181 root 17 0 1660 548 464 R 1.0 0.0 0:00.03 vchkpw
568 qmails 16 0 1500 412 288 S 0.7 0.0 77:13.71 qmail-send
25359 qmaild 15 0 1420 316 264 S 0.7 0.0 0:20.23 qmail-smtpd
25980 qmaild 15 0 1424 316 264 S 0.7 0.0 0:19.09 qmail-smtpd
/service/qmail-send: up (pid 568) 1653338 seconds
/service/qmail-send/log: up (pid 571) 1653338 seconds
/service/qmail-smtpd: up (pid 570) 1653338 seconds
/service/qmail-smtpd/log: up (pid 576) 1653338 seconds
/service/qmail-pop3d: up (pid 14543) 0 seconds
/service/qmail-pop3d/log: up (pid 579) 1653338 seconds
messages in queue: 4
Thanks,
-s
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