DBLocker / High Load / IMP ... ?

Rob Siemborski rjs3 at andrew.cmu.edu
Mon Apr 7 02:08:56 EDT 2003

Don't use Berkeley DB as your mailbox list database.

Use Skiplist.


On Sun, 6 Apr 2003, Elmo Recio wrote:

> I started to get DB4 errors with 164 lockers and more. Since I wrote the
> first email, the load has gone from a 0.75 to 189.0. :( we just
> installed this box to replace the older one, and as a result need to
> update it to rehdat 8.0, was running on redhat 7.2 using pam (but PAM is
> not supported in cyrus imapd) I have to use saslauthd.
> I noticed, however, that when I disable IMP (from a remote machine), the
> server load goes down significantly. Since I started writing this email,
> the load on the email server went down from 189 to 8 righ tnow. I
> noticed somewhere elase on the internet that there was a similar problem
> with 2.0.16. I am running 2.1.12.
> Any help would be appreaciated. There are 25,000 users on this system,
> and I think i only have till 9am before i get flogged. :-\
> -Elmo

Rob Siemborski * Andrew Systems Group * Cyert Hall 207 * 412-268-7456
Research Systems Programmer * /usr/contributed Gatekeeper

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