Hi,

this also seems to happen when dumpdata / printchanges is active and the
server is too slow to dump all the data that is already there & process
the first chunk of data that was sent by the phone in time.

Switching off dumpdata and printchanges is a workaround for now but this
also limits the capabilities of finding data-issues in the sync
process.

I guess this is what I get for running owncloud (apache, php, mysql) and
syncevolution on the same slow arm machine.
But maybe there is a way of keeping the session open in this stage?

Christof

Am Donnerstag, 7. Februar 2013, 14:14:25 schrieb Patrick Ohly:
> On Thu, 2013-02-07 at 13:46 +0100, Christof Schulze wrote:
> > I started with a one-way-sync from phone to syncevo-http-server.
> > This caused syncevolution to remove all data from owncloud, which is
> > perfectly fine. However doing so takes about one second for each entry
> > causing the phone to report a timeout after a while.

> > What is your take on that? Shouldn't syncevo-http-server try to keep the
> > session to the phone open?

> The session is kept open; it's the phone decides that it is waiting too
> long for a reply and therefore aborts. I know that the Synthesis SyncML
> engine can send empty messages to inform the client that it is still
> alive, but I am not familiar with how that works in detail.

> Lukas, can you say more about this feature? When does it kick in?

> >  Maybe a better approach would be to clean all

> > files at once on the webdav server to circumvent the timeout in the
> > first place?

> Did you do a "refresh" sync?

> There are ways to let a backend wipe out data more efficiently. The
> WebDAV backend doesn't support that at the moment, leading to a lot of
> DELETE requests. As you said, this should be added.
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