I have 20 ES data nodes and 10 master nodes in my cluster. I have 6 minimum master nodes for the cluster to function. I wanted to know if any one knows of a correct way to restart a large cluster. I see different results on each cluster restart. Some times, some of the shards are in Unassigned state and they are stuck in that state. Some times the shards are getting re-allocated. So far, I am always doing a Full Cluster restart. All I want to do is restart and come back to the state where it was before restart. I really appreciate any insight into this or a link to a documentation about the cluster restarts.
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