# Upgrading cluster 5.2: Out of memory: Kill process

**URL:** <https://discuss.elastic.co/t/upgrading-cluster-5-2-out-of-memory-kill-process/73752>\
**Category:** Elasticsearch\
**Created:** [February 2, 2017, 8:20pm UTC](https://discuss.elastic.co/t/upgrading-cluster-5-2-out-of-memory-kill-process/73752 "2017-02-02T20:20:26Z")\
**Posts on this page:** 1\
**Showing post:** 7

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**Author:** ![tomekit](https://avatars.discourse-cdn.com/v4/letter/t/e5b9ba/32.png) [@tomekit](https://discuss.elastic.co/u/tomekit)\
**Post date:** [March 15, 2017, 8:35am UTC](https://discuss.elastic.co/t/upgrading-cluster-5-2-out-of-memory-kill-process/73752/7 "2017-03-15T08:35:03Z")

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Hey, I am running 5.2.2 at the moment and facing similar problem: [Elasticsearch 5.2.2 - Out of memory - while indexing](https://discuss.elastic.co/t/elasticsearch-5-2-2-cluster-dies-on-heavy-indexing/78457/2)  
Does it still happen to you?

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_[View the full topic](https://discuss.elastic.co/t/upgrading-cluster-5-2-out-of-memory-kill-process/73752)._