# Elasticsearch queue issue after upgrading from 8.6.2 to 8.12.1/8.12.2

**URL:** <https://discuss.elastic.co/t/elasticsearch-queue-issue-after-upgrading-from-8-6-2-to-8-12-1-8-12-2/355052>\
**Category:** Elasticsearch\
**Created:** [March 8, 2024, 6:10pm UTC](https://discuss.elastic.co/t/elasticsearch-queue-issue-after-upgrading-from-8-6-2-to-8-12-1-8-12-2/355052 "2024-03-08T18:10:08Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![Amos66](https://avatars.discourse-cdn.com/v4/letter/a/b782af/32.png) [@Amos66](https://discuss.elastic.co/u/Amos66)\
**Post date:** [March 9, 2024, 9:21pm UTC](https://discuss.elastic.co/t/elasticsearch-queue-issue-after-upgrading-from-8-6-2-to-8-12-1-8-12-2/355052/2 "2024-03-09T21:21:45Z")

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Same here, upgrade with ECK from 8.10.2 to 8.12.2  
All node with high CPU (100%) and huge spike in `search` and `search_worker`  
No errors in logs. Only timeout due to high CPU.

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