Grafana unable to perform bulk queries on ES 5

Continuing the discussion from ES does not return data due to threadpool limit.

Hi everyone,

I’m a experiencing an issue similar to the one above. While I’m trying to retrieve data with Grafana several widgets are unable to load data and show the following error:

rejected execution of org.elasticsearch.transport.TransportService$7@5039bb3f on EsThreadPoolExecutor[search, queue capacity = 1000, org.elasticsearch.common.util.concurrent.EsThreadPoolExecutor@7e31a11f[Running, pool size = 13, active threads = 13, queued tasks = 1709, completed tasks = 57584]]<

I’ve unsuccessfully tried to increase the bulk queue (default is 100) in elasticsearch.yml via this line of code: 2000

In the end I’ve solved the issue by removing widgets that perform several queries (7 or more) to draw charts.

My machine has 8 cores, 24 GB RAM and ES 5 heap has been incremented to 4 GB.

Do you have any suggestions to enhance performances in order to be able to sustain bulk queries?

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