R: More Skiplist Stuff!
dpc22 at cam.ac.uk
Tue Jan 15 06:37:14 EST 2008
On Tue, 15 Jan 2008, Toschi Pietro wrote:
> I'm afraid to bother on the devel list since I'm not a developer, but
> I've got some confusion about what patches should I apply to a fresh
> 2.3.11 cyrus-imapd tarball in order to have a not-broken skiplist
> mailboxes.db (and possibly all the remaining backends too) and avoid
> those problematic DB ERRORS and reconstruct? Would you be so kind and
> please summarize and put some light about the correct patching-path that
> we (simply humans) should follow (possibly before your escape to the
> Tasmanian bushes, Bron :-))
I think that you only really need to worry if you are running Fastmail's
folder_limit patch. The following two cleanups have been merged upstream:
and should apply either way around.
But this was really just Bron hunting down the root cause of the problem:
the fact that the folder_limit patch was accidently blowing away the write
lock on the mailboxes.db skiplist database. This is what the third patch:
works around, by reusing the existing transaction and write lock if a
mboxlist_count_inferiors() occurs in the middle of a transaction.
David Carter Email: David.Carter at ucs.cam.ac.uk
University Computing Service, Phone: (01223) 334502
New Museums Site, Pembroke Street, Fax: (01223) 334679
Cambridge UK. CB2 3QH.
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