# Clustering in ES

**URL:** <https://discuss.elastic.co/t/clustering-in-es/186578>\
**Category:** Elasticsearch\
**Created:** [June 20, 2019, 4:13am UTC](https://discuss.elastic.co/t/clustering-in-es/186578 "2019-06-20T04:13:03Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Neel.Gagan](https://avatars.discourse-cdn.com/v4/letter/n/7bcc69/32.png) [@Neel.Gagan](https://discuss.elastic.co/u/Neel.Gagan)\
**Post date:** [June 20, 2019, 4:13am UTC](https://discuss.elastic.co/t/clustering-in-es/186578/1 "2019-06-20T04:13:03Z")

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ES 6.4.3 . i had a cluster with two nodes my master node configured over a Virtual Machine is crashed. prior to the Crash the The monitoring of the cluster showed indexed data as 20 GB. which has reduced to half when i view in the other node which was part of cluster. is it normal or some data might have been lost due to crashing of Master node.

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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:** [June 20, 2019, 4:39am UTC](https://discuss.elastic.co/t/clustering-in-es/186578/2 "2019-06-20T04:39:01Z")

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It's probably because your replicas are no longer assigned. Unless your cluster status is red, you should not have lost data.

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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 18, 2019, 4:39am UTC](https://discuss.elastic.co/t/clustering-in-es/186578/3 "2019-07-18T04:39:04Z")

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Closed on July 18, 2019, 4:39am UTC

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