On Tue, 2008-11-04 at 10:13 +0100, Cor Bosman wrote: > > If there were no error messages logged with 1.1.5, there's nothing I > > can think of that could explain it. > > Im not sure when this started, but im seeing very high CPU use in dovecot. > I recently swapped our systems to Linux from FreeBSD, and ive also moved > versions up a few (now on 1.1.6). > > Here's an idea of what im seeing: > > PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND > 28554 xxx 20 0 11108 1452 1136 R 17 0.0 0:00.76 imap > 28542 xxx 20 0 11004 1456 1120 R 16 0.0 0:00.86 imap
Checking what the processes do would be helpful. Both strace (strace -p pid) and a couple of gdb backtraces (gdb -p pid, bt).
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