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Miguel,<br>
That's perfectly normal, and I think it's even covered in the
release notes... Nope, I'm wrong, the release notes mention the
larger Memory footprint, due to more data and metadata being cached
in memory. But the on-disk size increases, too, as there is more
information being held in indexes, etc.<br>
<br>
The same is true, again, when going from 2.5 to 3.X<br>
<br>
Cheers,<br>
-nic<br>
<br>
<div class="moz-cite-prefix">On 6/10/20 1:47 PM, Miguel Mucio Santos
Moreira wrote:<br>
</div>
<blockquote type="cite" cite="mid:930-5ee12b00-3-6abd6400@207816469">
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
Wolfgang,<br>
<br>
If you don't mind, I'd like to know if when you upgraded backend
servers from 2.4 version to 2.5 version you have an increase, in
metadata size.Here we had 30% around of increase<br>
<br>
Thanks one more time<br>
<br>
Greetings<br>
--<br>
<br>
<font size="3"><b>Miguel Moreira</b></font><br>
<font size="3">DTE/SRE/GRE - Gerência de Redes<br>
+55(31)3339-1401<br>
PRODEMGE - Companhia de Tecnologia da Informação do Estado de
Minas Gerais</font><br>
<br>
<br>
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Em Terça, Junho 09, 2020 10:39 -03, Wolfgang Breyha
<a class="moz-txt-link-rfc2396E" href="mailto:wbreyha@gmx.net"><wbreyha@gmx.net></a> escreveu:
<blockquote type="cite"
cite="40e951d9-111a-e811-2a51-073413633d52@gmx.net">Hi!<br>
<br>
On 09/06/2020 14:56, Miguel Mucio Santos Moreira wrote:<br>
> Dear Wolfgang,<br>
><br>
> Firstly thanks for your answer, secondly I have one more
doubt, during this<br>
> time where the new Mupdate Master is receiving mailboxes
information from<br>
> backend servers, is necessary stopping comunications
between frontend<br>
> servers and mupdate master or none action is necessary
besides that one<br>
> you've mentioned before?<br>
> We're concerned if frontend servers will connect to Mupdate
Master and<br>
> receive from it an information which there's no mailboxes
anymore until the<br>
> backend push entirely mailboxes information and this
situation to cause any<br>
> trouble.<br>
<br>
I recommend the follow steps:<br>
*) check that your currently running setup has no conflicts in
mailboxes.db<br>
by running "ctl_mboxlist -mw". It is possible that you see
output if<br>
somebody changes his mailboxes while you run the command, but it
should<br>
not appear again if you run the command a second time. If
everything is<br>
fine...<br>
<br>
*) shut down all running cyrus<br>
frontends first, then backends and mupdate last<br>
*) backup your mailboxes.db on mupdate server<br>
*) replace/update mupdate and start it with empty/removed
mailboxes.db.<br>
*) backup your mailboxes.db on the backends<br>
*) do the ctl_mboxlist -m by hand on the backends (only one at
the same<br>
time) you can check if everything went ok with "-mw" at any time<br>
afterwards.<br>
*) start cyrus on backends<br>
<br>
In our setup the frontends have mupdate running as well. I can't
currently<br>
remember if this is mandatory. If this is true in your setup
then:<br>
*) remove or rename the mailboxes.db database on the frontends
and start<br>
them. They will fetch the database immediately from the mupdate
server.<br>
This is visible in syslog as well and takes about 30 seconds in
our<br>
setup (~250MB mailboxes.db).<br>
otherwise<br>
*) start the frontends<br>
<br>
At this point everything should be up and running again.<br>
<br>
Watching syslog output all the time usually helps.<br>
<br>
IIRC we updated the mupdate server to 2.5 first. Then we had a
mix of 2.4<br>
and 2.5 backends for some time. The 2.5 backends had some
capabilities<br>
suppressed. Frontends had 2.4 until all backends had 2.5. Last
but not<br>
least we upgraded to 2.5 on the frontends.<br>
<br>
If you need more info/details feel free to ask.<br>
<br>
Greetings, Wolfgang<br>
--<br>
Wolfgang Breyha <a class="moz-txt-link-rfc2396E" href="mailto:wbreyha@gmx.net"><wbreyha@gmx.net></a> |
<a class="moz-txt-link-freetext" href="https://www.blafasel.at/">https://www.blafasel.at/</a><br>
Vienna University Computer Center | Austria</blockquote>
<br>
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<pre class="moz-signature" cols="72">--
Nic Bernstein <a class="moz-txt-link-abbreviated" href="mailto:nic@nicbernstein.com">nic@nicbernstein.com</a>
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