On Wed, 3 Dec 2003, Jim Howell wrote: > Hi, > Please define "Fairly Big"... I have systems with 10,000 users > with no problems using skiplist.
15,000 mboxes... -Igor > Jim > > At 10:59 AM 12/3/2003 -0500, Igor Brezac wrote: > > >On Wed, 3 Dec 2003, Wolfgang Hottgenroth wrote: > > > > > Hi, > > > > > > > > > > > > On Wed, 3 Dec 2003, Igor Brezac wrote: > > > > > > > > > > > Upgrade cyrus-imapd (it fixes an important bug with Berkeley DB 4.1.25) > > > > and use skiplist for mailboxes although you should be able to use > > berkeley > > > > as well. > > > > > > Thanks for your advice. Is it actually this "Not enough space" problem > > > which is addressed by the fix you mention above or is it just the db3 > > > lockers problem about which I read the in the changelog (changes since > > > 2.1.13: Correctly terminate the processes by calling service_abort > > > even on successful exit (helps to fix a db3 lockers problem))? > > > >This is the same problem: not 'releasing' lockers cause Berkeley > >environment to run out of "space". > > > > > However, concerning skiplist I read about several issues in the > > > recovery of a corrupted skiplist file. Are these issues fixes with 2.1.16? > > > > > > Or are you talking about updating the a 2.2 version? > > > >I believe the skiplist code is the same in both versions. I've never > >experienced problems with skiplist and I run a farily big email server. > > > >-Igor > > > > > > > > > > > Thanks, > > > Wolfgang > > > > > > > > > > > > > > -Igor > > > > > > > > On Wed, 3 Dec 2003, Wolfgang Hottgenroth wrote: > > > > > > > > > Hi, > > > > > > > > > > > > > > > unfortunately I read this message not earlier than today ... when I > > > > > ran into a similar situation with the 'DBERROR: ... Not enough space'. > > > > > > > > > > I'm using cyrus-imap-2.1.12 with Berkeley DB 4.1.25. > > > > > > > > > > So, I understand correct, that you recommend against using the default > > > > > setting (Berkeley DB) for the mailboxes list but skiplist? What > > > > > actually means 'skiplist'? And what is the difference to 'flat'? > > > > > > > > > > And, does it actually means that Berkeley DB won't work properly > > > > > together with cyrus imap? > > > > > > > > > > > > > > > Thanks, > > > > > Wolfgang > > > > > > > > > > > > > > > > > > > > On Fri, 28 Mar 2003, Rob Siemborski wrote: > > > > > > > > > > > If you haven't had the suggestion before, it's really not > > recommended to > > > > > > use Berkeley DB for your mailbox list. Use skiplist instead. > > > > > > > > > > > > -Rob > > > > > > > > > > > > On Fri, 28 Mar 2003, Jim Howell wrote: > > > > > > > > > > > > > Hi, > > > > > > > Last night we had this happen again on one of our > > systems. What is the > > > > > > > current thinking as to the cause and/or fix to this problem? I > > saw one > > > > > > > response last time that said backing off to DB 4.0 would > > help. Again the > > > > > > > versions of things are: > > > > > > > > > > > > > > Sendmail 8.12.8 > > > > > > > Cyrus 2.1.11 > > > > > > > Berkeley DB 4.1.24 > > > > > > > > > > > > > > Thanks. > > > > > > > Jim > > > > > > > > > > > > > > > > > > > > > > > > > > > > Hi, > > > > > > > I have an interesting problem. Over the weekend our > > syslog forwarder went > > > > > > > beserk generating over 300,000 messages to about 6 > > people. This morning > > > > > > > our three new Cyrus systems went belly up, (yes that is a > > technical term), > > > > > > > actually the master daemon seemed to eventually freeze up. The > > only real > > > > > > > error msgs I can find are these: > > > > > > > Mar 10 00:18:16 postoffice8 lmtpd[27393]: [ID 729713 > > local6.error] DBERROR: > > > > > > > opening /opt/cyrus/mailboxes.db: Not enough space > > > > > > > Mar 10 08:04:46 postoffice8 pop3d[2183]: [ID 729713 > > local6.error] DBERROR: > > > > > > > opening /opt/cyrus/mailboxes.db: Not enough space > > > > > > > Mar 10 08:12:58 postoffice8 imapd[2489]: [ID 729713 > > local6.error] DBERROR: > > > > > > > opening /opt/cyrus/mailboxes.db: Not enough space > > > > > > > Mar 10 08:14:05 postoffice8 imapd[2731]: [ID 729713 > > local6.error] DBERROR: > > > > > > > opening /opt/cyrus/mailboxes.db: Not enough space > > > > > > > Mar 10 08:27:59 postoffice8 imapd[3951]: [ID 729713 > > local6.error] DBERROR: > > > > > > > opening /opt/cyrus/mailboxes.db: Not enough space > > > > > > > > > > > > > > Now I'm been running older versions of Cyrus (1.5.19) for years > > at 300,000 > > > > > > > messages a day with no trouble. I don't believe space is > > really an issue, > > > > > > > here is a df -k from one of the systems. > > > > > > > > > > > > > > Filesystem kbytes used avail capacity Mounted on > > > > > > > /dev/md/dsk/d0 1984564 904568 1020460 47% / > > > > > > > /proc 0 0 0 0% /proc > > > > > > > fd 0 0 0 0% /dev/fd > > > > > > > mnttab 0 0 0 0% /etc/mnttab > > > > > > > /dev/md/dsk/d1 962573 255248 649571 29% /var > > > > > > > swap 28642528 32 28642496 1% /var/run > > > > > > > swap 28655440 12944 28642496 1% /tmp > > > > > > > /dev/md/dsk/d4 5040814 8134 4982272 1% /users > > > > > > > /dev/md/dsk/d3 5040814 452439 4537967 10% /opt > > > > > > > /dev/vx/dsk/po8_dg01/logvol01 > > > > > > > 5160542 115891 4993046 3% /logs > > > > > > > /dev/vx/dsk/po8_dg01/mqueuevol01 > > > > > > > 10321884 4986 10213680 1% /mqueue > > > > > > > /dev/vx/dsk/po8_dg01/cyrus_data_vol01 > > > > > > > 41287586 126222 > > 40748489 1% /opt/cyrus > > > > > > > /dev/vx/dsk/po8_dg01/sendmailvol01 > > > > > > > 41287586 603402 > > 40271309 2% /opt/sendmail_vol > > > > > > > /dev/vx/dsk/po8_dg01/cyrus_app_vol01 > > > > > > > 41287586 147526 > > 40727185 1% /opt/cyrus_vol > > > > > > > /dev/vx/dsk/po8_dg01/spoolvol01 > > > > > > > 103218991 679107 > > 101507695 1% /var/spool/mail > > > > > > > swap 28642640 144 > > 28642496 1% /opt/cyrus/proc > > > > > > > /dev/vx/dsk/po8_dg01/appvol01 > > > > > > > 20643785 54397 > > 20382951 1% /applications > > > > > > > > > > > > > > > > > > > > > This is all with Cyrus 2.1.11 on a V880 with 32GB of memory > > with Solaris 8 > > > > > > > and, Sendmail 8.12.8. Anyone seen this before? Thanks. > > > > > > > Jim > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- > > > > > > Rob Siemborski * Andrew Systems Group * Cyert Hall 207 * 412-268-7456 > > > > > > Research Systems Programmer * /usr/contributed Gatekeeper > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > >-- > >Igor > > Jim Howell > CIT Messaging Systems Manager > Cornell University > 728 Rhodes Hall > Email: [EMAIL PROTECTED] > Phone: 607-255-9369 > > -- Igor