(important) cyrus-imapd 2.4.16 released

Bron Gondwana brong at fastmail.fm
Thu Apr 19 14:04:04 EDT 2012

On Thu, Apr 19, 2012 at 06:03:20PM +0200, Sebastian Hagedorn wrote:
> --On 19. April 2012 11:00:01 +0100 Jeroen van Meeuwen
> <vanmeeuwen at kolabsys.com> wrote:
> >It contains exactly one bugfix in tools/rehash, which was rewritten after
> >2.4.14 introduced a critical fault for deployments that have the
> >fulldirhash  option enabled. Release 2.4.15 was released to resolve this
> >issue, among  others, but the tool as released with 2.4.15 contained Perl
> >syntax errors.
> >
> >We recommend ALL sites that deploy Cyrus IMAP with the fulldirhash option
> >enabled to update to 2.4.16.
> >
> >Please see bug #3651[1] for a full history of this bug. A special thanks
> >goes  out to Carlos Velasco for catching and reporting this issue first.
> I think I've read all the available information regarding the issue,
> but I'm still confused. We're still running 2.3.x for production,
> but I have a test system with a copy of the production data. We use
> fulldirhash. When I installed 2.4.14, I encountered the hashing
> issue. So now I ran the rehash script after updating to 2.4.16:
> $ time /usr/lib/cyrus-imapd/rehash -v -F /etc/imapd.conf
> you are using /var/lib/imap/sieve as your sieve directory.
> i will also hash partitions.
> converting configuration directory /var/lib/imap... mkdir
> /var/lib/imap/lock: done
> user quota done
> sieve /var/lib/imap/sieve... rename /var/lib/imap/sieve/global to
> /var/lib/imap/sieve/V/global: done
> done
> partition /var/spool/imap... done
> partition /var/spool/imap2... done
> partition /var/spool/imap3... done
> partition /var/spool/imap4... done
> partition /var/spool/imap5... done
> partition /var/spool/imap6... done
> real	0m7.232s
> user	0m5.639s
> sys	0m0.227s
> Just seven seconds? And I don't see much actual rehashing, except
> for the global sieve directory. What am I missing?

Are your directories already hashed correctly?  It doesn't move anything
it doesn't have to!


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