Tickets :: Comment on [#11590] Kolab backend: IMAP cache does not get updated

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Comment	> This is currently the expected behavior as the implemented > synchronization strategy is pretty dumb. The old code had no > synchronization strategy and so it always synchronized the data on > access. You should be able to go back to the old behavior by > modifying Horde/Kolab/Storage/Synchronization.php. Add a "if (false > && ..." to both conditionals present in that file. Does that revert > back to the expected behavior? > > I lack a final plan concerning the synchronization strategy. The > problem with the synchronization is that each list synchronization > costs two IMAP calls (LIST and METADATA) and each data > synchronization as well (STATUS and SEARCH - the latter identifies > deleted messages). > > Doing this type of synchronization with each and every data access > keeps the data in sync always. But of course it is a performance > drag. Especially if you build the calendar and have access to ten or > twenty different folders. And most of the times this type of > synchronization is not really necessary. What describe - concurrent > access with two clients to the same folder - is not the default case > after all. At least not for personal folders. > > At some point I wanted to create the "kolab" Horde application to > offer at least a "Sync now" button to provide the user with control > over the synchronization strategy. This would put the user into > control of the synchronization strategy, would avoid performance > issues but would not be an improvement of usability. Probably there > are better solutions. > > Any suggestions?
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