syncroton memory error

[ladas]

> Hello list.
> 
> Sorry for panic, we discovered the problem. It was one strange
> Outlook installation. Sync stop each time at different point and did
> not continue. All folders are at actual state and sync did not
> continue.
> We uninstall  whole office and was not possible to install it back,
> always crashed at cca middle. We plane Windows reinstallation.
> After switch Outlook off at this PC problems with memory and CPU
> disappears.
> 
> Greetings,
> ladas
> 
> -------- Přeposlaná zpráva --------
> Od: ladas <ladas at seznam.cz>
> Komu: users at lists.kolab.org
> Předmět: syncroton memory error
> Datum: Fri, 04 May 2018 16:14:24 +0200
> 
> > > 
> > > Hello list.
> > > 
> > > I made second Kolab16 server at CentOS7. Both virtual guests at the same host. First one works well and has no problems. Second one use CPU 10-20%, more often 20% all the time and often reach 90% of 8GB RAM (with 4G swapped permanently). The first one use cca 1GB of 4GB. 
> > > > > I discovered at /var/log/kolab-syncroton/errors this strange message which repeats each minute:
> > > [04-May-2018 15:55:31 Europe/Berlin] PHP Fatal error:  Allowed memory size of 134217728 bytes exhausted (tried to allocate 54772603 bytes) in /usr/share/kolab-syncroton/lib/ext/Syncroton/Model/AXMLEntry.php on line 199
> > > 
> > > At line 199 is:
> > > 
> > > 198        // Replace ASCII control-characters
> > > 199        return preg_replace('/[\x00-\x08\x0B\x0C\x0E-\x1F]/', '', $dirty);
> > > 
> > > Can someone help where could be a trouble? This problem is the same after last update too.
> > > 
> > > Thank you very much for ideas.
> > > 
> > > Greetings,
> > > ladas
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> > 
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