Performance tune elastic search

Elastic Stack Elasticsearch
1

Hi,

I am having issue in elastic serach:
Error: Request to Elasticsearch failed: {"error":{"root_cause":[],"type":"reduce_search_phase_exception","reason":"[reduce] ","phase":"fetch","grouped":true,"failed_shards":[],"caused_by":{"type":"es_rejected_execution_exception","reason":"rejected execution of org.elasticsearch.action.search.SearchQueryThenFetchAsyncAction$2@642eb59 on EsThreadPoolExecutor[search, queue capacity = 1000, org.elasticsearch.common.util.concurrent.EsThreadPoolExecutor@3d6cd119[Running, pool size = 13, active threads = 13, queued tasks = 1000, completed tasks = 665690]]"}},"status":503}

My Elasticsearch settings are:

bootstrap.memory_lock: true
network.host: 10.x.x.x
http.port: 9200
cluster.name: es-01
node.name: elasticsearch-01
path.data: /app/elasticsearch-data
path.logs: /app/elasticsearch/logs
indices.breaker.fielddata.limit: 75%

Kindly suggest the additional settings that would help to get ride of the above error.

Thanks.

2

Increasing the size of your cluster will help.

3

Can you suggest the required settings to increase the size of cluster.

4

Add more memory or more nodes and make the applicable changes depending on which one you do.

5

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