Hi, We have a farily large elasticsearch cluster (40 nodes) in production and recently upgraded to 0.17.7. We have many rivers rivers (custom plugin, which also searches the same cluster while indexing) running on that cluster and 400 indexes (including all replicas and shards). Shards are set…

Unstable cluster

Topic		Replies	Views
River Failover Elasticsearch	15	464	July 6, 2017
River does not start correctly after full cluster shutdown Elasticsearch	5	371	July 6, 2017
Newly created rivers are not being started Elasticsearch	5	382	July 6, 2017
Multi-master cluster Elasticsearch	10	673	July 6, 2017
River errors on elasticsearch restart Elasticsearch	6	624	July 6, 2017

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Unstable cluster

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