[Dovecot] critical performance problem

Rene Luria operator at infomaniak.ch
Tue Feb 20 10:41:16 UTC 2007

Timo Sirainen wrote:
> On Tue, 2007-02-20 at 12:13 +0200, Timo Sirainen wrote:
>>> And to get the right picture:
>>> are mailbox indexes compatible between 1.0alpha4 and 1.0.rc22 ?
>>> Because it just seems that it recomputes every index file for every
>> pop3
>>> or imap connection
>> They should be compatible. And even if they weren't it shouldn't
>> recompute it for every connection.
> Just tried installing alpha4 and then upgrading to rc22. rc22 reads
> alpha4's index files just fine, although cache file got truncated (that
> should happen only with 64bit systems).

As I began this thread, in terms of operations or functionalities, the
upgrade is transparent. Everything works.

Moving to 1.0.rc22 makes load raise up to 200 or more
Downgrading back to 1.0alpha4 gets the load back to normal (after a few

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