# Memory store optimize question

**URL:** <https://discuss.elastic.co/t/memory-store-optimize-question/5543>\
**Category:** Elasticsearch\
**Created:** [October 8, 2011, 1:20am UTC](https://discuss.elastic.co/t/memory-store-optimize-question/5543 "2011-10-08T01:20:46Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![laigood](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/laigood/32/30060_2.png) [@laigood](https://discuss.elastic.co/u/laigood)\
**Post date:** [October 8, 2011, 1:20am UTC](https://discuss.elastic.co/t/memory-store-optimize-question/5543/1 "2011-10-08T01:20:46Z")

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I have a question about store index in memory,that is if my memory is 64GB and my index size is 50GB,how can i do the optimize,i know that the min space to optimize is 2X of index size.

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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 6, 2017, 3:52am UTC](https://discuss.elastic.co/t/memory-store-optimize-question/5543/2 "2017-07-06T03:52:35Z")

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