异常信息
{"root_cause":[{"type":"circuit_breaking_exception", "reason":"[parent] Data too large, data for [<http_request>] would be [2904434582/2.7gb], which is larger than the limit of [2856189952/2.6gb], real usage: [2904434088/2.7gb], new bytes reserved: [494/494b], usages [request=0/0b, fielddata=982500/959.4kb, in_flight_requests=494/494b, accounting=1348314/1.2mb]", "bytes_wanted":2904434582, "bytes_limit":2856189952, "durability":"PERMANENT"}]
what’s [parent] ?
不同版本的配置的差异
之前用的6.4 ，后来升级到7.6以后，测试环境 es内存 4G ， 时不时地来一下…
ES6.4
https://www.elastic.co/guide/en/elasticsearch/reference/6.4/circuit-breaker.html#circuit-breaker
ES7.6
https://www.elastic.co/guide/en/elasticsearch/reference/7.6/circuit-breaker.html#circuit-breaker
Solutions
增加
indices.breaker.total.use_real_memory: false
重启ES
