# Elasticsearch 8.17.2: Native memory allocation (mmap) failed

**URL:** https://discuss.elastic.co/t/elasticsearch-8-17-2-native-memory-allocation-mmap-failed/376485
**Category:** Elasticsearch
**Tags:** runtime-fields
**Created:** [March 27, 2025, 2:10pm UTC](https://discuss.elastic.co/t/elasticsearch-8-17-2-native-memory-allocation-mmap-failed/376485 "2025-03-27T14:10:26Z")
**Posts on this page:** 1
**Showing post:** 2

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### Author: ![RainTown](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/raintown/32/140206_2.png) [@RainTown](https://discuss.elastic.co/u/RainTown)
#### Post date: [March 27, 2025, 2:39pm UTC](https://discuss.elastic.co/t/elasticsearch-8-17-2-native-memory-allocation-mmap-failed/376485/2 "2025-03-27T14:39:32Z")

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Wild guess but this thread had sonething similar.

> [@OOM since 8.16.1 with openjdk23](https://discuss.elastic.co/t/oom-since-8-16-1-with-openjdk23/371395):
>
> Hi, after upgrading from 8.15.1 to 8.16.1, all machines in two of our four ES clusters are running out of Memory after 7-12 hours. Our current setup for all clusters is: System: Ubuntu 22 3 master 3 data nodes (64GB RAM. 32GB Xmx. 48 CPUs) 2 kibana nodes The internal ES monitoring also does not show any issues with Heap. I can not directly upload it here, as the company does not allow it. If you need it, I can upload it to a image hoster of your choice. This is the message I can find in …

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