# How to set the I/O size for elasticsearch?

**URL:** <https://discuss.elastic.co/t/how-to-set-the-i-o-size-for-elasticsearch/70966>\
**Category:** Elasticsearch\
**Created:** [January 9, 2017, 4:17pm UTC](https://discuss.elastic.co/t/how-to-set-the-i-o-size-for-elasticsearch/70966 "2017-01-09T16:17:20Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![robertchen117](https://avatars.discourse-cdn.com/v4/letter/r/edb3f5/32.png) [@robertchen117](https://discuss.elastic.co/u/robertchen117)\
**Post date:** [January 9, 2017, 4:17pm UTC](https://discuss.elastic.co/t/how-to-set-the-i-o-size-for-elasticsearch/70966/1 "2017-01-09T16:17:20Z")

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As on AWS Linux, to get more IOPS, I need set this I/O size to 16KB or so? How to do 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 6, 2017, 4:17pm UTC](https://discuss.elastic.co/t/how-to-set-the-i-o-size-for-elasticsearch/70966/2 "2017-02-06T16:17:26Z")

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