# Can anybody share some info about advantage of mmapfs?

**URL:** https://discuss.elastic.co/t/can-anybody-share-some-info-about-advantage-of-mmapfs/64399
**Category:** Elasticsearch
**Created:** [October 31, 2016, 3:49am UTC](https://discuss.elastic.co/t/can-anybody-share-some-info-about-advantage-of-mmapfs/64399 "2016-10-31T03:49:54Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![makeyang](https://avatars.discourse-cdn.com/v4/letter/m/f05b48/32.png) [@makeyang](https://discuss.elastic.co/u/makeyang)
#### Post date: [October 31, 2016, 3:49am UTC](https://discuss.elastic.co/t/can-anybody-share-some-info-about-advantage-of-mmapfs/64399/1 "2016-10-31T03:49:54Z")

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since it is used page cache to read/write file, why lucene provide this file store type?

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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 5, 2017, 10:08pm UTC](https://discuss.elastic.co/t/can-anybody-share-some-info-about-advantage-of-mmapfs/64399/2 "2017-07-05T22:08:26Z")

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