# Thread pool size and the cluster settings API

**URL:** <https://discuss.elastic.co/t/thread-pool-size-and-the-cluster-settings-api/249741>\
**Category:** Elasticsearch\
**Created:** [September 24, 2020, 6:19am UTC](https://discuss.elastic.co/t/thread-pool-size-and-the-cluster-settings-api/249741 "2020-09-24T06:19:19Z")\
**Posts on this page:** 1\
**Showing post:** 2

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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:** [September 24, 2020, 6:38am UTC](https://discuss.elastic.co/t/thread-pool-size-and-the-cluster-settings-api/249741/2 "2020-09-24T06:38:39Z")

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I would suggest reading [Should I increase my threadpool size if I get rejected executions or HTTP 429 responses?](https://discuss.elastic.co/t/should-i-increase-my-threadpool-size-if-i-get-rejected-executions-or-http-429-responses/241044) before changing threadpool settings.

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_[View the full topic](https://discuss.elastic.co/t/thread-pool-size-and-the-cluster-settings-api/249741)._