Circuit breaker Open for http_request

Cluster setup :
10 nodes , with roles:

  • 7 dedicated data only node (8 core, 16gb memory)
  • 1 data and master (8 core, 16gb memory)
  • 2 master, ingest and coordinator only node (4 core, 8gb memory)

Elasticsearch version 5.2.0

I use nginx in front of ES cluster, nginx will request to 2 dedicated coordinator node.

I have an issue with circuit breaker, this error occures every 1 week
[parent] Data too large, data for [<http_request>] would be larger than limit of [2982071500/2.7gb]

what is actually happens ? and how to solve this.
this problem happens, after I use this dedicated coordinator architecture,
which it helps a lot to reduce load on data node.


There were some bugs with accounting of releases from the circuit breaker fixed in 5.2.2, and some other relevant fixes in 5.6.3 and 5.6.4. I would encourage you to at least upgrade to 5.2.2, and if you can, all the way to 5.6.4.

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