# Dm-crypt and search performance

**URL:** https://discuss.elastic.co/t/dm-crypt-and-search-performance/124206
**Category:** Elasticsearch
**Created:** [March 16, 2018, 5:26am UTC](https://discuss.elastic.co/t/dm-crypt-and-search-performance/124206 "2018-03-16T05:26:25Z")
**Posts on this page:** 2
**Page:** 1

<div class="post-metadata">

### Author: ![ananth](https://avatars.discourse-cdn.com/v4/letter/a/dfb087/32.png) [@ananth](https://discuss.elastic.co/u/ananth)
#### Post date: [March 16, 2018, 5:26am UTC](https://discuss.elastic.co/t/dm-crypt-and-search-performance/124206/1 "2018-03-16T05:26:25Z")

</div>

We are planning to enable dm-crypt, would like to know whether it will affect search and aggregation performance ? Will dm-crypt encryption affects OS file cache benefits which elasticsearch heavily uses sorting/aggregation ?

---

<div class="post-metadata">

### Author: ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)
#### Post date: [April 13, 2018, 5:26am UTC](https://discuss.elastic.co/t/dm-crypt-and-search-performance/124206/2 "2018-04-13T05:26:33Z")

</div>

This topic was automatically closed 28 days after the last reply. New replies are no longer allowed.