One of the customer has only 2 nodes cluster ( and don't want to add 3rd node) which becomes inaccessible for 2-3 mins, if first node (master) goes down. Below is the error which user face :- SearchPhaseExecutionException: Failed to execute phase [query_fetch], all shards failed And after few mins…

2 Nodes ES cluster becomes unavailable for 2 -3 mins if one node (master) goes down

warkolm (Mark Walkom) August 7, 2015, 10:58pm 4

So why did the node leave? That's what you need to answer.
Check your network, firewalls etc. What does your config look like?

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