Re: Solr Shards down for unknown reason

2018-10-15 Thread Shawn Heisey
On 10/15/2018 1:30 PM, Dasarathi Minjur wrote: We have a Hadoop cluster with Solr 6.3 running as service. After an OS security patching, when the cluster was restarted, Solr Cloud is up but the shards are down all the time. No specific messages in Solr.log or console logs. Tried restarting solr

RE: Solr Shards down for unknown reason

2018-10-15 Thread Markus Jelsma
Hello, We observed this problem too with older Solr versions. Whenever none of the shard's replica's would come up we would just shut them all down again and restart just one replica and wait. In some cases it won't come up (still true for Solr 7.4), but start a second shard a while later and w