Node: 12cpu + 45GB RAM I have 1 shard on 1 node. size of 1 shard: 12GB Heap assigned: 20GB Based on the graph below. I think I should reduce the heap size but it is recommended to keep heap 50% of the RAM. Can someone suggest. [Screen Shot 2020-02-04 at 18.22.24] Also, elasticsearch_transport…

[image] royal_man: it is recommended to keep heap 50% of the RAM This is not the case. The docs say (emphasis mine): Set Xmx and Xms to no more than 50% of your physical RAM. You can set it to less, for sure, and this can sometimes improve performance.

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Advice on Heap usage

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royal_man February 4, 2020, 10:19am 4

I found this discussion. Thanks.

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