# Performance tuning steps of Elasticsearch cluster

**URL:** <https://discuss.elastic.co/t/performance-tuning-steps-of-elasticsearch-cluster/37732>\
**Category:** Elasticsearch\
**Created:** [December 22, 2015, 5:14am UTC](https://discuss.elastic.co/t/performance-tuning-steps-of-elasticsearch-cluster/37732 "2015-12-22T05:14:35Z")\
**Posts on this page:** 8\
**Page:** 1

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**Author:** ![justnj](https://avatars.discourse-cdn.com/v4/letter/j/e19adc/32.png) [@justnj](https://discuss.elastic.co/u/justnj)\
**Post date:** [December 22, 2015, 5:14am UTC](https://discuss.elastic.co/t/performance-tuning-steps-of-elasticsearch-cluster/37732/1 "2015-12-22T05:14:35Z")

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performance tuning steps of Elasticsearch cluster..

Please share the commands and analysis details which can be used as a template

Please do not provide link [elastic.co](http://elastic.co)

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**Author:** ![warkolm](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/warkolm/32/39224_2.png) [@warkolm](https://discuss.elastic.co/u/warkolm)\
**Post date:** [December 22, 2015, 6:33am UTC](https://discuss.elastic.co/t/performance-tuning-steps-of-elasticsearch-cluster/37732/2 "2015-12-22T06:33:06Z")

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Are you having issues?

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**Author:** ![justnj](https://avatars.discourse-cdn.com/v4/letter/j/e19adc/32.png) [@justnj](https://discuss.elastic.co/u/justnj)\
**Post date:** [December 22, 2015, 6:36am UTC](https://discuss.elastic.co/t/performance-tuning-steps-of-elasticsearch-cluster/37732/3 "2015-12-22T06:36:23Z")

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es heap size and circuit breaker limit needs to be reviewed for circuitbreaker/OOM exception .  
How to check heap size before and after executing a query , and how much field data cache of heap size its used needs to be analyzed

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**Author:** ![warkolm](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/warkolm/32/39224_2.png) [@warkolm](https://discuss.elastic.co/u/warkolm)\
**Post date:** [December 22, 2015, 6:40am UTC](https://discuss.elastic.co/t/performance-tuning-steps-of-elasticsearch-cluster/37732/4 "2015-12-22T06:40:25Z")

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Are you using Marvel? If not I would suggest starting there as it has easy to view graphs on a bunch of important stats.

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**Author:** ![justnj](https://avatars.discourse-cdn.com/v4/letter/j/e19adc/32.png) [@justnj](https://discuss.elastic.co/u/justnj)\
**Post date:** [December 22, 2015, 6:42am UTC](https://discuss.elastic.co/t/performance-tuning-steps-of-elasticsearch-cluster/37732/5 "2015-12-22T06:42:04Z")

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currently we dont use marvel, how to check @ CLI command line interface .also jVM Vs field data cahce variation for query level

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**Author:** ![warkolm](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/warkolm/32/39224_2.png) [@warkolm](https://discuss.elastic.co/u/warkolm)\
**Post date:** [December 22, 2015, 6:53am UTC](https://discuss.elastic.co/t/performance-tuning-steps-of-elasticsearch-cluster/37732/6 "2015-12-22T06:53:43Z")

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You probably want to look over [https://www.elastic.co/guide/en/elasticsearch/guide/current/cluster-admin.html](https://www.elastic.co/guide/en/elasticsearch/guide/current/cluster-admin.html) then

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**Author:** ![warkolm](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/warkolm/32/39224_2.png) [@warkolm](https://discuss.elastic.co/u/warkolm)\
**Post date:** [December 22, 2015, 6:56am UTC](https://discuss.elastic.co/t/performance-tuning-steps-of-elasticsearch-cluster/37732/7 "2015-12-22T06:56:39Z")

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Also [https://www.elastic.co/guide/en/elasticsearch/reference/current/cat.html](https://www.elastic.co/guide/en/elasticsearch/reference/current/cat.html) has lots of handy stats.

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**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [July 5, 2017, 11:29pm UTC](https://discuss.elastic.co/t/performance-tuning-steps-of-elasticsearch-cluster/37732/8 "2017-07-05T23:29:22Z")

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