Hi,
We've experimented the same problem:
Our environment is:
CPU: Intel(R) XEON(TM) CPU 2.00GHz
MemTotal: 904988 kB
OS: Red Hat Linux 7.3
With:
Qmail-ldap 1.03-20020901
Courier-imap 1.6.1
Apache 1.3.26
PHP 4.2.3
Squirrelmail 1.2.10
We've 2 servers with this configuration and the traffic on these is fairly light, but
randomly we find one process httpd (that is serving a request on src/download.php)
with 98-99% CPU usage for several hours.
PID USER PRI NI SIZE RSS SHARE STAT %CPU %MEM TIME COMMAND
28418 vmail 14 0 8060 7948 6168 R 99.9 0.8 287:19 httpd
19795 root 12 0 1108 1108 824 R 6.5 0.1 0:00 top
1 root 8 0 484 436 416 S 0.0 0.0 1:13 init
2 root 9 0 0 0 0 SW 0.0 0.0 0:00 keventd
3 root 19 19 0 0 0 SWN 0.0 0.0 0:10 ksoftirqd_CPU0
4 root 19 19 0 0 0 SWN 0.0 0.0 0:07 ksoftirqd_CPU1
5 root 9 0 0 0 0 SW 0.0 0.0 2:16 kswapd
6 root 9 0 0 0 0 SW 0.0 0.0 0:09 bdflush
7 root 9 0 0 0 0 SW 0.0 0.0 5:26 kupdated
9 root 9 0 0 0 0 SW 0.0 0.0 0:00 khubd
I did't find any info on this specific problem, too.
Can anyone help us?
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