# Too Many PoolArena$HeapArena Instances can not be Collected

**URL:** <https://discuss.elastic.co/t/too-many-poolarena-heaparena-instances-can-not-be-collected/196113>\
**Category:** Elasticsearch\
**Created:** [August 21, 2019, 12:47pm UTC](https://discuss.elastic.co/t/too-many-poolarena-heaparena-instances-can-not-be-collected/196113 "2019-08-21T12:47:37Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![Liam](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/liam/32/52451_2.png) [@Liam](https://discuss.elastic.co/u/Liam)\
**Post date:** [August 21, 2019, 12:47pm UTC](https://discuss.elastic.co/t/too-many-poolarena-heaparena-instances-can-not-be-collected/196113/1 "2019-08-21T12:47:37Z")

</div>

![image](https://us1.discourse-cdn.com/elastic/original/3X/1/1/112cad57eea7dfa175abaa83a812fd1ff1d130bc.jpeg)

Default configuration and singleton PreBuiltTransportClient that never be closed.  
What's the possible reason?

---

<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [September 18, 2019, 12:54pm UTC](https://discuss.elastic.co/t/too-many-poolarena-heaparena-instances-can-not-be-collected/196113/2 "2019-09-18T12:54:06Z")

</div>

Closed on September 18, 2019, 12:54pm UTC

This topic was automatically closed 28 days after the last reply. New replies are no longer allowed.