# Updating index and running index in memory

**URL:** https://discuss.elastic.co/t/updating-index-and-running-index-in-memory/72071
**Category:** Elasticsearch
**Created:** [January 18, 2017, 7:13pm UTC](https://discuss.elastic.co/t/updating-index-and-running-index-in-memory/72071 "2017-01-18T19:13:38Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![venkata\_sreekanth\_bh](https://avatars.discourse-cdn.com/v4/letter/v/65b543/32.png) [@venkata\_sreekanth\_bh](https://discuss.elastic.co/u/venkata_sreekanth_bh)
#### Post date: [January 18, 2017, 7:13pm UTC](https://discuss.elastic.co/t/updating-index-and-running-index-in-memory/72071/1 "2017-01-18T19:13:38Z")

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I have an index already created in ES. How do I figure out the value of index.store.type for my index.?

Does having index.store.type as mmapfs run the index in memory.

if we can figure out what index.store.type the index has how do I update it?

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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: [February 15, 2017, 7:14pm UTC](https://discuss.elastic.co/t/updating-index-and-running-index-in-memory/72071/2 "2017-02-15T19:14:05Z")

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