Increase shards limit in elastic

PUT /_cluster/settings

{     "persistent" : {
        "cluster.max_shards_per_node": "1500"
    }
}

Ref:

https://stackoverflow.com/questions/63700998/how-to-increase-cluster-settings-cluster-max-shards-per-node-for-aws-elasticsea

Fleet Es specification requirement

 

ref:
https://www.elastic.co/guide/en/fleet/8.1/fleet-server-scalability.html#scaling-recommendations

Elastic Agent and Endpoint Security compatibality

ref  https://www.elastic.co/support/matrix#matrix_compatibility