# Queries regarding Elasticsearch

**URL:** <https://discuss.elastic.co/t/queries-regarding-elasticsearch/196674>\
**Category:** Elasticsearch\
**Created:** [August 25, 2019, 7:11pm UTC](https://discuss.elastic.co/t/queries-regarding-elasticsearch/196674 "2019-08-25T19:11:19Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Mitali\_Saxena](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/mitali_saxena/32/48133_2.png) [@Mitali\_Saxena](https://discuss.elastic.co/u/Mitali_Saxena)\
**Post date:** [August 25, 2019, 7:11pm UTC](https://discuss.elastic.co/t/queries-regarding-elasticsearch/196674/1 "2019-08-25T19:11:19Z")

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Does the limit of Elasticsearch to hold data depends on Hard disk size ? Can we control the size of data stored by ES ? If yes, can we limit the expand limit ?  
How the data is flushed out from ES ?

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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:** [August 25, 2019, 7:22pm UTC](https://discuss.elastic.co/t/queries-regarding-elasticsearch/196674/2 "2019-08-25T19:22:37Z")

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> [@Mitali\_Saxena](#):
>
> Does the limit of Elasticsearch to hold data depends on Hard disk size ? Can we control the size of data stored by ES ? If yes, can we limit the expand limit ?

It is typically limited by disk size or the amount of heap available. See [this webinar](https://www.elastic.co/webinars/optimizing-storage-efficiency-in-elasticsearch) for a discussion.

> [@Mitali\_Saxena](#):
>
> How the data is flushed out from ES ?

If you are using time-based indices you can use [ILM](https://www.elastic.co/blog/implementing-hot-warm-cold-in-elasticsearch-with-index-lifecycle-management) to delete indices holding data older than the retention period.

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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:** [September 22, 2019, 7:22pm UTC](https://discuss.elastic.co/t/queries-regarding-elasticsearch/196674/3 "2019-09-22T19:22:41Z")

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