# ES v7.9 versus ES v8.17.3 performance

**URL:** <https://discuss.elastic.co/t/es-v7-9-versus-es-v8-17-3-performance/377459>\
**Category:** Elasticsearch\
**Created:** [April 23, 2025, 7:07pm UTC](https://discuss.elastic.co/t/es-v7-9-versus-es-v8-17-3-performance/377459 "2025-04-23T19:07:17Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![kbnm](https://avatars.discourse-cdn.com/v4/letter/k/9d8465/32.png) [@kbnm](https://discuss.elastic.co/u/kbnm)\
**Post date:** [April 23, 2025, 7:07pm UTC](https://discuss.elastic.co/t/es-v7-9-versus-es-v8-17-3-performance/377459/1 "2025-04-23T19:07:17Z")

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Hi Elastic, I am wondering what performance gains there are from upgrading from Elasticsearch 7.9 to Elasticsearch 8.17.3. Is there documentation on performance metrics comparisons?