Re: Event modification are not synced to remote device using CALdav if horde cache enabled

Giorgio Paolucci <[email protected]>
Newsgroups gmane.comp.horde.kronolith
Message-ID <[email protected]>
  Hi Jan,
that sounds odd to me too, also because the issue is repeatable: you enable
horde cache and event modification are not caught bye the phone, you
disable horde cache and events are caught again....
Css and js can be cached without any issues.
So, according to you there aren't possibly other implications in activating
horde cache....

Bests.
Giorgio

Quoting Jan Schneider <[email protected]>:

> Zitat von Giorgio Paolucci <[email protected]>:
>
>> Hello everybody,
>> I have a horde webmail installation 5.2.11 on a clustered debian wheezy
>> platform.
>> Horde is installed on a 4 node cluster (2 clusters of 2) and clients are
>> balanced on a round robin DNS basis; to keep sessions sticky, each node
>> is
>> configured with an apache reverse proxy that forwards (based on cookie
>> values) requests to apache2 backend instances listening on non standard
>> ports on each node. Php caching system APC is installed.
>>
>> If I enable horde cache (local file system on each node), users who
>> subscribe calendars through CALdav don't receive updates on their
>> smartphones, or better:  they receive new events or deletion of events,
>> but not modifications of existing events made through horde web
>> interface.
>> Apache logs show that caldav clients sessions are sticky and each
>> smarphone
>> query always the same node of the cluster.
>>
>> With horde cache disabled, everything works fine. Any clues to
>> investigate
>> this issue?
>
> This observation doesn't make much sense to me, because we don't use any
> caching in the CalDAV code or in Kronolith, except for external calendar
> resources like remote calendars of free/busy information.
>
> --
> Jan Schneider
> The Horde Project
> http://www.horde.org/
>
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  --

     Ing. Giorgio Paolucci
     Universita' di Padova
     Centro Servizi Informatici di Ateneo
     Responsabile Infrastrutture,
     Networking e Sicurezza
     Tel.+39-049-8273711

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