Yes, that's right. More precisely, a quorum of peers (hence the name ;)) must participate in an election round for it to terminate.
In your case, with a two node cluster, a quorum is usually n/2 + 1 nodes, which is 2. So both nodes must be available.
Sent from my iPad
On Feb 2, 2012, at 3:58 PM, Alan Perez-Rathke <[EMAIL PROTECTED]> wrote:
> I am encountering a scenario in which I have started two QuorumPeers and then I call shutdown() on one of them (in order to simulate a server crashing).
> The remaining QuorumPeer then busy loops within Election::lookForLeader(). It never appears to be able to return from this loop.
> I have seen this behavior on ZooKeeper versions 3.3.4 and 3.4.2 and with election algorithms: LeaderElection, AuthFastLeaderElection, and FastLeaderElection.
> Does this mean that QuorumPeer requires at least 2 peers online in order to not infinite loop within the internal leader election?