# Elasticsearch slowness and frequently nodes are restarting **URL:** \ **Category:** Elasticsearch\ **Created:** [October 28, 2021, 12:14pm UTC](https://discuss.elastic.co/t/elasticsearch-slowness-and-frequently-nodes-are-restarting/287909 "2021-10-28T12:14:31Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![muralikri](https://avatars.discourse-cdn.com/v4/letter/m/dfb087/32.png) [@muralikri](https://discuss.elastic.co/u/muralikri)\ **Post date:** [October 28, 2021, 12:14pm UTC](https://discuss.elastic.co/t/elasticsearch-slowness-and-frequently-nodes-are-restarting/287909/1 "2021-10-28T12:14:31Z")
Hi Team, We have recently upgraded Elasticsearch from 6.6.1 to 7.13.2 with platinum licence. After upgraded all looks fine and when 3-4 users try to search logs parallelly we getting 504 error and when i check cluster status it says cluster went to rent and nodes are getting restart. These are configured as Kubernetes setup and nodes are running in statefulset. When i get cluster red state, i could see PODS are still up and running but service nodes getting restart. this happening very frequently and slowness after upgrade. ---
**Author:** ![warkolm](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/warkolm/32/39224_2.png) [@warkolm](https://discuss.elastic.co/u/warkolm)\ **Post date:** [October 29, 2021, 12:34am UTC](https://discuss.elastic.co/t/elasticsearch-slowness-and-frequently-nodes-are-restarting/287909/2 "2021-10-29T00:34:57Z")
If you have a Platinum license then I would encourage you to contact your Support engineer 🙂 ---
**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\ **Post date:** [November 26, 2021, 12:35am UTC](https://discuss.elastic.co/t/elasticsearch-slowness-and-frequently-nodes-are-restarting/287909/3 "2021-11-26T00:35:15Z")
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