# Best practice for Index and Shard Size

**URL:** <https://discuss.elastic.co/t/best-practice-for-index-and-shard-size/237627>\
**Category:** Elasticsearch\
**Created:** [June 18, 2020, 12:04pm UTC](https://discuss.elastic.co/t/best-practice-for-index-and-shard-size/237627 "2020-06-18T12:04:06Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![defalt](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/defalt/32/71379_2.png) [@defalt](https://discuss.elastic.co/u/defalt)\
**Post date:** [June 18, 2020, 12:04pm UTC](https://discuss.elastic.co/t/best-practice-for-index-and-shard-size/237627/1 "2020-06-18T12:04:06Z")

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Hi,  
what is the best practice for index and shard size? I found sources that state that a good shard size is 10-30GB. But what is a good index size? I have timeseries data of over 300 GB split into 5 Indices and I am restoring it from snapshots. Now I want to find out if i should build 5 big Indices of up to 200GB with 5-10Shards each or if I should split this data into many indices of lets say 50GB.

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**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [July 16, 2020, 12:04pm UTC](https://discuss.elastic.co/t/best-practice-for-index-and-shard-size/237627/2 "2020-07-16T12:04:21Z")

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