[ext] 2.3.7 slower than 2.3.6?
Ralf.Hildebrandt at charite.de
Tue Jul 16 11:15:42 EEST 2019
* Timo Sirainen via dovecot <dovecot at dovecot.org>:
> > And alas, I had a look at the monitoring and found that disk IO has
> > increase A LOT after the update: https://www.arschkrebs.de/images/dovecot-disk-io-increase.png
> > I zoomed in and found that the sudden increace in IO coincides with
> > the update to 2.3.7 (14:35): https://www.arschkrebs.de/images/dovecot-io-2.png <https://www.arschkrebs.de/images/dovecot-io-2.png>
> Do the different disks have different kinds of data?
All of the data is an /dev/sda1
> Like you seem to be using external attachments and fts?
Jup, using that, but on one disk
> Also your doveconf -n
> doesn't show what fts backend you're using. Or is it just
> half-configured and not really used?
I used to use lucene, but then I had issues building it
and commented it out.
Looking now, it turns out that your packages come with lucene support...
mail_plugins = zlib fts fts_lucene
fts = lucene
fts_autoindex = yes
fts_languages = de,en
fts_lucene = whitespace_chars=@.
zlib_save = gz
zlib_save_level = 5
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