# Elasticsearch 6.6.2 constantly failing with Out Of Memory Errors

**URL:** https://discuss.elastic.co/t/elasticsearch-6-6-2-constantly-failing-with-out-of-memory-errors/173669
**Category:** Elasticsearch
**Created:** [March 25, 2019, 4:35am UTC](https://discuss.elastic.co/t/elasticsearch-6-6-2-constantly-failing-with-out-of-memory-errors/173669 "2019-03-25T04:35:06Z")
**Posts on this page:** 3
**Page:** 2

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### Author: ![Christian\_Dahlqvist](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/christian_dahlqvist/32/4617_2.png) [@Christian\_Dahlqvist](https://discuss.elastic.co/u/Christian_Dahlqvist)
#### Post date: [March 26, 2019, 9:00am UTC](https://discuss.elastic.co/t/elasticsearch-6-6-2-constantly-failing-with-out-of-memory-errors/173669/21 "2019-03-26T09:00:14Z")

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Even though it is very old and a lot has changed since, [this old blog post](https://www.elastic.co/blog/found-crash-elasticsearch) is still an interesting read, especially the sections about size parameters and deep aggregations.

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### Author: ![Sai\_Birada](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/sai_birada/32/142367_2.png) [@Sai\_Birada](https://discuss.elastic.co/u/Sai_Birada)
#### Post date: [March 26, 2019, 9:03am UTC](https://discuss.elastic.co/t/elasticsearch-6-6-2-constantly-failing-with-out-of-memory-errors/173669/22 "2019-03-26T09:03:20Z")

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Thanks, @Christian_Dahlqvist,  
I will go through the documents you shared and figure out a way to solve my use case.  
Thanks for quick response and help.

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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: [April 23, 2019, 9:03am UTC](https://discuss.elastic.co/t/elasticsearch-6-6-2-constantly-failing-with-out-of-memory-errors/173669/23 "2019-04-23T09:03:26Z")

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