Jason,
Have you tried attaching a strace to the process involved?
That might give you an idea of what's eating so much cpu cycles.
strace -p <pid>
Also, use the DEBUG_LEVEL in the config. It's your friend in an hour of
need.
Jason Burfield wrote:
It's dbmail-pop3d.
Currently TOP is showing this:
PID USER PRI NI SIZE RSS SHARE STAT %CPU %MEM TIME COMMAND
21088 root 15 0 564 564 500 S 99.9 0.0 181:42 dbmail-pop3d
The database currently has all proper indexes...and it does not seem to
be a MySQL issue at all.
And, the load average continues to grow the longer that dbmail-pop3d
continues to run.
It is currently at 11.57
This is the highest I personally have EVER seen one of my machines go.
Also, when I check the maillog it does not seem to be doing anything out
of the ordinary. It almost looks like one child process has just run off
and refuses to stop...but the log is not showing tons of stuff going on.
I'm totally freaked and confused now!
Thanks!
-- Jason
On Fri, 2003-05-16 at 14:39, Aaron Stone wrote:
When you run top, do you find that most of the CPU time is being taken by
dbmail-pop3d itself, or by mysqld? In the latter case, you may do well to
tune the database a bit in my.cnf, and to add the indices posted to the
list a couple of times. If it's pop3d.. umm... sounds bad, post more info!
Aaron
On 16 May 2003, Jason Burfield wrote:
I have searched through back messages and found one thread with someone
having huge load averages caused by dbmail-smtpd.
Well...I'm getting HUGE load averages with dbmail-pop3d.
For whatever reason the load average on my box is jumping up to well
over 7.00 after dbmail-pop3d has been running for a few minutes.
This is on a dual 2.4ghz Xeon with 4 gigs of RAM...so I can't for the
life of me, imagine what would cause that type of load.
This mail server went up last night...so in the past 24 hours it has
accepted something around 2000 messages. We do have lots of clients
checking mail frequently, around every 5 minutes, however, I wouldn't
think that would cause this type of load.
I'm running dmail-1.1, MySQL and Postfix on Linux. (RH 8)
As an example, at this very moment the box has a load average of 5.62.
There are currently 6 clients connected to the pop server.
Does anyone have any idea what may be causing this? We don't have that
many clients, only about 300 email clients...what type of load should be
expected from that type of base?
Any help is greatly appreciated.
Thanks!
-- Jason
-- Jason Burfield
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