# Not stable response time of elastic cluster **URL:** \ **Category:** Elasticsearch\ **Created:** [July 16, 2019, 8:01am UTC](https://discuss.elastic.co/t/not-stable-response-time-of-elastic-cluster/190671 "2019-07-16T08:01:10Z")\ **Posts on this page:** 1\ **Showing post:** 8
**Author:** ![dadoonet](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dadoonet/32/137187_2.png) [@dadoonet](https://discuss.elastic.co/u/dadoonet)\ **Post date:** [July 16, 2019, 2:49pm UTC](https://discuss.elastic.co/t/not-stable-response-time-of-elastic-cluster/190671/8 "2019-07-16T14:49:16Z")
60 shards is too much IMO. 1 shard is enough here. > spinning disk Switch to SSD drives. Also pasting again one of my questions: > What is the typical response (the full one please) of a "slow query"? And what was the request? Please [read this](https://discuss.elastic.co/t/about-the-elasticsearch-category/21) about how to format. Also note that "6.3.0" has been built more than a year ago. Lot of improvements have been done in the meantime. Could you upgrade to 7.2.0? --- _[View the full topic](https://discuss.elastic.co/t/not-stable-response-time-of-elastic-cluster/190671)._