Minimum Master Nodes Parameter Advice

(Kernel Panic) #1

Hi guys.

I'm configuring a 3 nodes cluster, to begin with I want all the nodes to process data, reading the doc I found that these values are default to true ( Master-eligible Node Data node and Ingest node ) so far so good, and I understand all three nodes will process the ingested data from logstash or directly from a beat.

Now I want to have some HA, with these three nodes should I set discovery.zen.minimum_master_nodes to 2 ? so that in case a node goes down or if I want to do some maintenance and need to stop one node the cluster is still active?

Thank you for your time and support

(Mark Walkom) #2

Yes, (Number of master eligible nodes / 2) + 1.

(Kernel Panic) #3

Thank you! very kind of you.

(system) #4

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