# Sharding for hidden index in elasticsearch

**URL:** <https://discuss.elastic.co/t/sharding-for-hidden-index-in-elasticsearch/259941>\
**Category:** Elasticsearch\
**Created:** [December 31, 2020, 8:23am UTC](https://discuss.elastic.co/t/sharding-for-hidden-index-in-elasticsearch/259941 "2020-12-31T08:23:31Z")\
**Posts on this page:** 7\
**Page:** 1

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**Author:** ![Aniket\_Pant](https://avatars.discourse-cdn.com/v4/letter/a/77aa72/32.png) [@Aniket\_Pant](https://discuss.elastic.co/u/Aniket_Pant)\
**Post date:** [December 31, 2020, 8:23am UTC](https://discuss.elastic.co/t/sharding-for-hidden-index-in-elasticsearch/259941/1 "2020-12-31T08:23:31Z")

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Hidden index like .kibana,.monitoring-logstash-7,.kibana-event-log-7,.kibana\_task\_manager\_2 etc do we need to really care about sharding of these indices like we create 3 shards for winlogbeat 3 shards for packetbeat and we have 3 data node each node of one shard

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**Author:** ![warkolm](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/warkolm/32/39224_2.png) [@warkolm](https://discuss.elastic.co/u/warkolm)\
**Post date:** [December 31, 2020, 8:27am UTC](https://discuss.elastic.co/t/sharding-for-hidden-index-in-elasticsearch/259941/2 "2020-12-31T08:27:45Z")

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Those system indices are managed automatically, so you can safely leave them alone.

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**Author:** ![Aniket\_Pant](https://avatars.discourse-cdn.com/v4/letter/a/77aa72/32.png) [@Aniket\_Pant](https://discuss.elastic.co/u/Aniket_Pant)\
**Post date:** [December 31, 2020, 8:30am UTC](https://discuss.elastic.co/t/sharding-for-hidden-index-in-elasticsearch/259941/3 "2020-12-31T08:30:08Z")

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For kibana system index also

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**Author:** ![warkolm](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/warkolm/32/39224_2.png) [@warkolm](https://discuss.elastic.co/u/warkolm)\
**Post date:** [December 31, 2020, 8:34am UTC](https://discuss.elastic.co/t/sharding-for-hidden-index-in-elasticsearch/259941/4 "2020-12-31T08:34:28Z")

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Yes, anything with a `.` at the start is considered a system managed index.

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<div class="post-metadata">

**Author:** ![Aniket\_Pant](https://avatars.discourse-cdn.com/v4/letter/a/77aa72/32.png) [@Aniket\_Pant](https://discuss.elastic.co/u/Aniket_Pant)\
**Post date:** [December 31, 2020, 9:03am UTC](https://discuss.elastic.co/t/sharding-for-hidden-index-in-elasticsearch/259941/5 "2020-12-31T09:03:33Z")

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Just one question i don't know how to calculate shard size suppose we have 2499 shards and 443 indices and its data size 650gb

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<div class="post-metadata">

**Author:** ![warkolm](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/warkolm/32/39224_2.png) [@warkolm](https://discuss.elastic.co/u/warkolm)\
**Post date:** [December 31, 2020, 9:13am UTC](https://discuss.elastic.co/t/sharding-for-hidden-index-in-elasticsearch/259941/6 "2020-12-31T09:13:47Z")

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Is this about the system indices in your first post? If not then it'd be better to create a new topic please 🙂

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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:** [January 28, 2021, 9:13am UTC](https://discuss.elastic.co/t/sharding-for-hidden-index-in-elasticsearch/259941/7 "2021-01-28T09:13:53Z")

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