Thanks, as soon as I set up a third ZK server, it works like a charm. On Thu, Apr 7, 2016 at 1:02 PM, prabhat singh <prabha...@gmail.com> wrote:
> Afaik the quorum has to be in majority for cluster to be active. With 2 > servers, a new leader cannot be selected by minority of less than 50% > servers. Since you have just 2, so quorum is not reached for leader > selection. That's why it is adviced to run odd number of nodes and minimum > is 3. Hope that helps > > -----Original Message----- > From: "Tamás Barta" <bartata...@gmail.com> > Sent: 07-04-2016 04:17 PM > To: "solr-user@lucene.apache.org" <solr-user@lucene.apache.org> > Subject: Re: Cluster > > Maybe I should ask a question instead how to set up a two-node solr cluster > where both nodes contains the same data (collections are replicated to the > other) and if I shut down one of the nodes the other node will work and i > can send updates and queries to it. Is it possible? > > On Thu, Apr 7, 2016 at 11:32 AM, Tamás Barta <bartata...@gmail.com> wrote: > > > Hi, > > > > I'm new to Solr so maybe I don't understand Solr cluster right. I would > > like to create a two-node cluster and the system should work if one of > the > > nodes is down. > > > > I created a collection in a node and set the other as replication. Now > > when I open Cloud Graph I can see that one of the nodes is Leader and the > > other is Active. > > > > When I shut down the Active node everything is OK. > > > > When I shut down the Leader node then the Active node become Recovering > > and I can't search on it. It says "Could not find a healthy node to > handle > > the request.". In Solr logs I see the following errors: > > > > o.a.s.c.RecoveryStrategy Error while trying to recover. > > core=products_shard1_replica1:org.apache.solr.common.SolrException: No > > registered leader was found after waiting for 4000ms > > > > What should I do to set up a two-node cluster right? > > > > Thanks, > > Tamas > > >
