I got the good indexing performance (1300+ doc/sec) in single node. but in cluster of 3 nodes, getting less performance (800-900 doc/sec). ES cluster deployed in AWS EC2 Linux servers with 15GB RAM. Heap size set to 5GB in each node. elasticsearch.yml file configuration in below for 3 nodes clust…

Elastic search AWS EC2 cluster indexing performance is decreased compared to single node performance

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Elastic search AWS EC2 cluster indexing performance is decreased compared to single node performance