> Cyrus users, > > I have been having a problem with my cyrus 2.2.13 install over the last > couple of days. > > First I keep getting this DBERROR log: > > -------------------------------------------------------------------- > Jul 1 15:37:55 server lmtpunix[18456]: DBERROR db4: 49980 lockers > -------------------------------------------------------------------- > > Several messages I read on the list stated to ignore it, it wasn't a big > deal, however this doesn't seem to apply on larger installations that > eventually fill the lock table: > > -------------------------------------------------------------------- > Jul 1 15:42:50 server imaps[20139]: DBERROR db4: Lock table is out of > available locker entries > Jul 1 15:42:50 server imaps[20139]: DBERROR: opening > /var/spool/imap/tls_sessions.db: Cannot allocate memory > Jul 1 15:42:50 server imaps[20139]: DBERROR: opening > /var/spool/imap/tls_sessions.db: cyrusdb error > Jul 1 15:47:05 server lmtpunix[21385]: DBERROR db4: Lock table is out > of available locker entries > Jul 1 15:47:05 server lmtpunix[21385]: DBERROR: opening > /var/spool/imap/deliver.db: Cannot allocate memory > Jul 1 15:47:05 server lmtpunix[21385]: DBERROR: opening > /var/spool/imap/deliver.db: cyrusdb error > -------------------------------------------------------------------- > > So now we have a problem, the database quits and eventually becomes > corrupted: > > -------------------------------------------------------------------- > Jul 1 15:47:06 server lmtpunix[20989]: DBERROR db4: 50000 lockers > Jul 1 15:47:07 server lmtpunix[21391]: DBERROR db4: Lock table is out > of available locker entries > Jul 1 15:47:07 server lmtpunix[21391]: DBERROR db4: PANIC: Cannot > allocate memory > Jul 1 15:47:07 server lmtpunix[21391]: DBERROR: critical database > situation > Jul 1 15:47:07 server lmtpunix[21407]: DBERROR db4: PANIC: fatal region > error detected; run recovery > -------------------------------------------------------------------- > > So now the question is how do I fix this? I am running BDB-4.2.52 with > all 4 patches so the only thing I can do with bdb is to upgrade to the > 4.4.20 release, but I'm unsure if this release is any more stable. My > mailboxes file seems safe since it is in skiplist format, so maybe I > should convert the deliver database to skiplist as well? Yes, move to skiplist and you're done. > > What about cyrus 2.3.6? Is this stable enough for a large server? Does > it work around any of the BDB problems? Your problem is not Cyrus but BDB, you really want skiplist. Simon ---- Cyrus Home Page: http://asg.web.cmu.edu/cyrus Cyrus Wiki/FAQ: http://cyruswiki.andrew.cmu.edu List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html
