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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal>Hello,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I’m using:<o:p></o:p></p><p class=MsoNormal>cyrus-imapd-2.3.7<o:p></o:p></p><p class=MsoNormal>db4-4.3.29<o:p></o:p></p><p class=MsoNormal>The operating system is Linux RedHat 5.3<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Sometimes, the number of locker<span style='color:#1F497D'>s</span> increases until no more lockers are left.<o:p></o:p></p><p class=MsoNormal>I searched for lock in the maillog file (grep lock mailog):<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='font-size:9.0pt;color:#1F497D'>imap[12470]: DBMSG: 25913 lockers<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;color:#1F497D'>imap[7497]: DBMSG: 26052 lockers<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;color:#1F497D'>imap[5295]: DBMSG: 26528 lockers<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;color:#1F497D'>imap[5305]: DBMSG: 26552 lockers<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;color:#1F497D'>.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;color:#1F497D'>.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;color:#1F497D'>.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;color:#1F497D'>.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;color:#1F497D'>imap[13438]: DBMSG: 49823 lockers<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;color:#1F497D'>imap[13357]: DBMSG: 49910 lockers<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;color:#1F497D'>imap[25643]: DBMSG: 49955 lockers<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;color:#1F497D'>imap[10874]: DBERROR db4: Lock table is out of available locker entries<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;color:#1F497D'>imap[10875]: DBERROR db4: Lock table is out of available locker entries<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;color:#1F497D'>imap[10876]: DBERROR db4: Lock table is out of available locker entries<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Eventually I see the following errors:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='font-size:9.0pt;color:#1F497D'>imap[16719]: DBERROR db4: PANIC: fatal region error detected; run recovery<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;color:#1F497D'>imap[16719]: DBERROR: critical database situation<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;color:#1F497D'>master[22961]: process 16719 exited, status 75<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;color:#1F497D'>master[22961]: service imap pid 16719 in READY state: terminated abnormally<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;color:#1F497D'>master[16720]: about to exec /usr/lib/cyrus-imapd/imapd<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>The number of lockers was growing for more than a week<o:p></o:p></p><p class=MsoNormal>Why this is happening?<o:p></o:p></p><p class=MsoNormal>How can I fix it?<o:p></o:p></p><p class=MsoNormal>How can I reproduce it?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thank you,<o:p></o:p></p><p class=MsoNormal>Dudi<o:p></o:p></p></div></body></html>