Hi, I have this problem where elasticsearch is frequently failed and shard allocation after restart is very slow after upgrading to 6.4 from 6.2. [2018-09-13T17:26:23,546][WARN ][o.e.i.c.IndicesClusterStateService] [ELK1-preprod] [[clientzone_signaturepos-2018.08.24][2]] marking and sending shard …

Elasticsearch Frequently Failed and Slows Down After Upgrade to 6.4

system (system) Closed October 11, 2018, 11:31am 6

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