/opt/cyrus/mailboxes.db: Not enough space
Jim Howell
jwh2 at cornell.edu
Wed Dec 3 11:09:37 EST 2003
Hi,
Please define "Fairly Big"... I have systems with 10,000 users
with no problems using skiplist.
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: jwh2 at cornell.edu
Phone: 607-255-9369
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