bq. how can I get the correct replica state? something like add this additional test.
if (reader..getClusterState().getLiveNodes().contains(replica.getNodeName()) == false) ----state is down. Best, Erick On Mon, Jun 11, 2018 at 6:59 AM, Shawn Heisey <elyog...@elyograg.org> wrote: > On 6/11/2018 3:29 AM, y y wrote: >> >> question is I can manage to get the correct replica state if I start and >> stop solr using command line. >> how if solr failure or crashed, how can I get the correct replica state? > > > As I have stated elsewhere on this mailing list, actual Solr crashes are > extremely rare. The most common reason for Solr to die suddenly is the > intentional death that happens when OutOfMemoryError is thrown. Other > causes are possible, but normally indicate serious problems with the system > itself. > > If Solr is ungracefully killed due to OOME or some other reason, then as > Erick mentioned, live_nodes and the clusterstate will not be updated > immediately. Eventually, when attempts to use those replicas fail, the > remaining Solr servers will notice that the node is down and update the > clusterstate. But it won't happen as soon as the node dies. > > Thanks, > Shawn >