["warning","monitoring","kibana-monitoring"],"pid":6,"message":"Error: [circuit_breaking_exception] [parent] Data too large, data for [<http_request>] would be [1550087672/1.4gb], which is larger than the limit of [1477659852/1.3gb], real usage: [1550085280/1.4gb], new bytes reserved: [2392/2.3kb], usages [request=0/0b, fielddata=1359/1.3kb, in_flight_requests=2392/2.3kb, accounting=216950274/206.8mb]
try increase the memory -Xms4g -Xmx4g https://discuss.elastic.co/t/i-got-issue-about-data-too-large/185087