Thanks for the explanation. 2013/4/23 Mark Miller <markrmil...@gmail.com>
> > On Apr 23, 2013, at 2:53 PM, Furkan KAMACI <furkankam...@gmail.com> wrote: > > > When I read about SolrCloud wiki there writes something about "cluster > > overseer". What is the role of that at read and write processes? How can > I > > see which node is overseer at my cluster? > > The Overseer's main responsibility is to write the clusterstate.json file > based on what individual nodes publish to ZooKeeper. It also does other > things, like assign shard and node names. If the Overseer dies, another > Overseer is elected and it starts processing the work queue where the dead > Oveseer left off. > > You can see which node is the Overseer by going to the Cloud view in the > admin UI. Click the Tree tab. Under /overseer_elect, click on the leader > node. Part of it's id should tell you which node is acting as the overseer. > > - Mark