On 6/14/2007 11:03 AM, Jan Wieck wrote:
On 6/13/2007 7:55 PM, Steven Singer wrote:
On Wed, 13 Jun 2007, Christopher Browne wrote:
I've downloaded the tarball can compiled against a 8.3 snapshot on Linux and
I'm still getting periodic failures of the testddl unit test.
Usually its a <stdin>:9: timeout exceeded while waiting for event confirmation
Not sure where this one is coming from. There seems to be only one case
of using WAIT FOR EVENT in that test and that does not have a timeout (I
must obviously be missing something).
Yepp, I was missing something. WAIT FOR EVENT has a timeout default of
600 seconds. Which of course means that if node 3 never starts to
subscribe because of having received the ENABLE_SUBSCRIPTION from node 2
instead of node 1 (which depends on a race condition), then this is
exactly what is going to happen.
I have fixed the bug in the copy_set() logic but still need to fix the
rebuildListenEntries() madness.
Jan
I keep seeing messages along the line in the slon.2.log like:
2007-06-13 19:25:20 EDT WARN remoteWorkerThread_1: copy set: data provider
1 only on sync -1 - sleep 5 seconds
Is this the problem Jan is working on or is it something else?
Has anyone else tried to run the testddl unit test a handful of times with
better luck?
I wasn't up to now ;-)
The problem here seems to be that the sl_listen is entirely messed up
which as a side effect triggers what appears to be a bug.
Why rebuildListenEntries() generates 10 entries for a 3 node setup for
sure needs some investigation. The real underlying problem is that slon
at copy_set() time looks from where it got the event and if that node is
not the one providing the data, it checks if it has seen a confirmation
of the ENABLE_SUBSCRIPTION from the data provider. The thing here is
that data provider is actually the event origin and nodes don't confirm
their own events. So the check needs to exclude the case where the event
origin is the data provider.
Jan
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