# How change the number of shards and replicas in Elasticsearch

**URL:** <https://discuss.elastic.co/t/how-change-the-number-of-shards-and-replicas-in-elasticsearch/84736>\
**Category:** Elasticsearch\
**Created:** [May 5, 2017, 2:06pm UTC](https://discuss.elastic.co/t/how-change-the-number-of-shards-and-replicas-in-elasticsearch/84736 "2017-05-05T14:06:34Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**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:** [May 8, 2017, 7:58am UTC](https://discuss.elastic.co/t/how-change-the-number-of-shards-and-replicas-in-elasticsearch/84736/5 "2017-05-08T07:58:17Z")

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If your current shard size is around 20GB you may not want to reduce the number of shards per index much, if at all.

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_[View the full topic](https://discuss.elastic.co/t/how-change-the-number-of-shards-and-replicas-in-elasticsearch/84736)._