First, I'm assuming SolrCloud with Zookeeper etc. 1> Don't do anything. If Node A is the leader, the replica for that shard will become the leader. 2> This is a little unclear. There are two cases, a> the leader crashed or b> the replica crashed. a> no problem, distributed indexing means that when the indexing call returns, all documents have been written to all replicas, so the replica is up-to-date (and will be elected leader in your case) b> when the replica comes back up, it is automatically synched from the leader. 3> yes, although you shouldn't have to.
Best Erick On Fri, Jan 4, 2013 at 1:20 AM, Zeng Lames <lezhi.z...@gmail.com> wrote: > Hi, > > we have 3 shards (2 nodes per shard) for one collection. now wanna to know > if one node of one shard (say node A of shard1) crash, > 1.what can we do and how? > 2.does Solr will recovery the index from leader node > 3.if we delete the crash node's index files, can leader replica index to > it? > > thanks! > > -- > Best Wishes! > Lames >