cyrus imap hangs regularly
rjs3 at andrew.cmu.edu
Tue Aug 12 16:47:55 EDT 2003
On Tue, 12 Aug 2003, Ilan Rabinovitch wrote:
> Lately I'm finding that the various cyrus processes go to "sleep" and never
> wake up. As a result sendmail is unable to deliver its mail to cyrus. This
> has happened 3 times in the last 48 hours. When this happens users can connect to pop but not
> IMAP, but again no new mail gets delivered from the MTA.
This can happen if processes that are otherwise doing nothing get killed
unexpectedly, either by an administrative action or by a low memory
condition or similar.
> If I restart Cyrus it now takes over an hour to fully start. It spends this
> time: converting db files, ctl_cyrusdb -r, and ctl_deliver -r. While these
> are running users cannot connect to imap or pop. The cyrus processes use
> 97% CPU on a pretty beefy machine for their entire duration. When it completes they can
> connect to both just fine and I can force sendmail to deliver all the mail
> no problem. However, this problem repeats just a few hours late.
Rob Siemborski * Andrew Systems Group * Cyert Hall 207 * 412-268-7456
Research Systems Programmer * /usr/contributed Gatekeeper
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