# Upgrde 7.8 to 7 **URL:** \ **Category:** Elasticsearch\ **Created:** [June 17, 2023, 7:08am UTC](https://discuss.elastic.co/t/upgrde-7-8-to-7/336264 "2023-06-17T07:08:33Z")\ **Posts on this page:** 5\ **Page:** 1
**Author:** ![Abhishek\_Tiwari1](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/abhishek_tiwari1/32/77345_2.png) [@Abhishek\_Tiwari1](https://discuss.elastic.co/u/Abhishek_Tiwari1)\ **Post date:** [June 17, 2023, 7:08am UTC](https://discuss.elastic.co/t/upgrde-7-8-to-7/336264/1 "2023-06-17T07:08:34Z")
HI Team, Need help , we are facing issue after upgrade elasticseach from 7.8 to 7.17.10, Issue first it incresed respoonce time Chche value decresed drasticily from 7.8 to 7.17.10 on search . Please help Thanks Abhishek ---
**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:** [June 17, 2023, 7:30am UTC](https://discuss.elastic.co/t/upgrde-7-8-to-7/336264/2 "2023-06-17T07:30:22Z")
You need to provide more details. What type of data are you querying? How much data do you have in the cluster? How many indices and shards are you querying? What type of queries are you running? What is the latency observed before and after the upgrade? ---
**Author:** ![Abhishek\_Tiwari1](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/abhishek_tiwari1/32/77345_2.png) [@Abhishek\_Tiwari1](https://discuss.elastic.co/u/Abhishek_Tiwari1)\ **Post date:** [June 18, 2023, 10:11am UTC](https://discuss.elastic.co/t/upgrde-7-8-to-7/336264/3 "2023-06-18T10:11:06Z")
Hi , Data is json formate document is comples json data Aprox 400GB data inot cluster 35 indices Main Indics have 9 primery shard an 2 replica term query For 7.8 latency is.1 to .3 millisec and for 7.17.10 its latency incred 3 to 10 millisec ---
**Author:** ![Abhishek\_Tiwari1](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/abhishek_tiwari1/32/77345_2.png) [@Abhishek\_Tiwari1](https://discuss.elastic.co/u/Abhishek_Tiwari1)\ **Post date:** [June 19, 2023, 6:39am UTC](https://discuss.elastic.co/t/upgrde-7-8-to-7/336264/4 "2023-06-19T06:39:42Z")
> [@Christian\_Dahlqvist](#): > > What type of data are you querying? How much data do you have in the cluster? How many indices and shards are you querying? > > What type of queries are you running? What is the latency observed before and after the upgrade Hi Christian, We identified issue below relatted to performance issue 1. in 7.8 cache is create into GB ,but After upgrade cache values only in 20 to 30 mb in size I want to know whyc cache is not creared into newest verssion of elasticsearch 7.17.10 Thanks Abhishek ---
**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\ **Post date:** [July 17, 2023, 6:39am UTC](https://discuss.elastic.co/t/upgrde-7-8-to-7/336264/5 "2023-07-17T06:39:53Z")
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