> This morning mail delivery via lmtp was slowing to a crawl. When I look > in the logs, the only unusual thing that I see are the lines: > > Jul 13 15:32:13 ssmail lmtpunix[24474]: [ID 366844 local6.info] DBMSG: > 27 lockers > Jul 15 00:00:48 ssmail lmtpunix[4411]: [ID 366844 local6.info] DBMSG: > 148 lockers > Jul 15 00:10:48 ssmail lmtpunix[22170]: [ID 366844 local6.info] DBMSG: > 618 lockers > Jul 15 00:30:49 ssmail lmtpunix[3294]: [ID 366844 local6.info] DBMSG: > 680 lockers > Jul 15 08:10:58 ssmail lmtpunix[4002]: [ID 366844 local6.info] DBMSG: > 1642 lockers > > It just keeps going up and up. Eventually I restarted master and then > things went back down to about 20-25 lockers and my postfix delivery > queue emptied from about 2500 queued messages to 50 in about 3 minutes. > Is this related, or is this just a red herring? My suggestion would be to switch to skiplist and get rid of those "lockers". I never heard anyone complaining after switching to skiplist. The listarchives can tell you more about it. Regards, Simon ---- Cyrus Home Page: http://cyrusimap.web.cmu.edu/ Cyrus Wiki/FAQ: http://cyrusimap.web.cmu.edu/twiki List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html