Hi. We have a 3 node Elasticsearch 1.7.5 cluster that has been staying at 85-89% JVM heap usage. Each node is has 16GB of RAM allocated to Elasticsearch. Due to the high JVM heap usage, we’re planning on expanding our cluster, but we’re not sure whether we should add additional data nodes or inst…

Choosing between client nodes and data nodes

warkolm (Mark Walkom) May 18, 2016, 3:38pm 4

Look into doc values too.

Topic		Replies	Views
Elasticsearch client nodes Elasticsearch	2	893	July 5, 2017
Hardware requirements for client and master-only nodes Elasticsearch	5	12849	July 5, 2017
Elasticsearch cluster - using client node Elasticsearch	2	793	July 5, 2017
Requirements per node role Elasticsearch	8	2249	July 6, 2017
Memory footprint Elasticsearch	9	788	July 6, 2017

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Choosing between client nodes and data nodes

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