Re: Replicated LevelDB status (production worthy?)

2015-03-11 Thread James A. Robinson
So I think the problem is that org.linkedin.zookeeper.tracker.ZooKeeperTreeTracker doesn't appear to handle the event of a session disconnect. Or at least the version used by ActiveMQ doesn't... If I force tree to be rebuilt on a reconnect, my earlier unit test passes:

Re: Replicated LevelDB status (production worthy?)

2015-03-11 Thread Gary Tully
I think you are correct here. The rebuild should work so long as the session has not expired. On 11 March 2015 at 20:51, James A. Robinson j...@highwire.org wrote: So I think the problem is that org.linkedin.zookeeper.tracker.ZooKeeperTreeTracker doesn't appear to handle the event of a

Re: Replicated LevelDB status (production worthy?)

2015-03-10 Thread James A. Robinson
Working my way through the code and the debug log from the test, I see that the ZooKeeper group is getting emptied out after session expiration occurs: before the timeout: 2015-03-10 12:09:50,614 | DEBUG | ActiveMQ Task | ZooKeeper group for 01 changed: Map(foo -

Re: Replicated LevelDB status (production worthy?)

2015-03-07 Thread James A. Robinson
On Wed, Mar 4, 2015 at 12:29 PM, James A. Robinson j...@highwire.org wrote: Thanks. I'm pretty sure AMQ-5082 is what I'm seeing on 5.11.1. I'll see if I can get the cycles to set up a unit test to replicate the issue. I think I've got the use a case represented for

Re: Replicated LevelDB status (production worthy?)

2015-03-04 Thread James A. Robinson
Thanks. I'm pretty sure AMQ-5082 is what I'm seeing on 5.11.1. I'll see if I can get the cycles to set up a unit test to replicate the issue. On Wed, Mar 4, 2015 at 5:52 AM, Tim Bain tb...@alumni.duke.edu wrote: People reported similar high-level symptoms against 5.10.0 several months back (you

Re: Replicated LevelDB status (production worthy?)

2015-03-04 Thread Tim Bain
People reported similar high-level symptoms against 5.10.0 several months back (you can search the archives on Nabble), and I don't recall any discussion of anyone finding a solution. But JIRA is the authoritative place to find out whether anyone has reported and/or fixed this issue (or any

Replicated LevelDB status (production worthy?)

2015-03-03 Thread James A. Robinson
Hi folks, While testing out ActiveMQ I've been building clusters VirtualBox. I've been spinning up two 3-node Replicated LevelDB stores on my laptop. I've noticed that the clusters can sometimes get into a state where none of the nodes is the master. It appears to me as though it's an issue