# Search thread pool issue

**URL:** <https://discuss.elastic.co/t/search-thread-pool-issue/131934>\
**Category:** Elasticsearch\
**Created:** [May 15, 2018, 12:33pm UTC](https://discuss.elastic.co/t/search-thread-pool-issue/131934 "2018-05-15T12:33:28Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![pokaleshrey](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/pokaleshrey/32/48680_2.png) [@pokaleshrey](https://discuss.elastic.co/u/pokaleshrey)\
**Post date:** [May 15, 2018, 12:33pm UTC](https://discuss.elastic.co/t/search-thread-pool-issue/131934/1 "2018-05-15T12:33:29Z")

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I am having a setup with one master node and 2 data nodes.  
I have my web application sending many search requests to the master node.  
**Issue** :  
When i monitor thread dump of "search" thread pool all the threads are always in waiting state. Very few of them become runnable and again go in waiting state again.  
I get response from my webapp with a x throughput.  
**Query** :  
If all my "search" threads are Waiting, who is serving my queries on data nodes ?  
How can i check/debug each query response time on my data node ?

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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:** [June 12, 2018, 12:33pm UTC](https://discuss.elastic.co/t/search-thread-pool-issue/131934/2 "2018-06-12T12:33:31Z")

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Closed on June 12, 2018, 12:33pm UTC

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