We have a massive, multi level aggregation that consumes a lot of memory and CPU in our ES cluster. The cluster consists of 3 master nodes and 4 data nodes. The heap size of each node is 8G, with 40% allocated to the field data cache. We have monthly indices with 6 shards each, and each index contai…

Impact of client nodes on aggregations/Optimization of heavy aggregations

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Impact of client nodes on aggregations/Optimization of heavy aggregations