# Memory confusion in Ubuntu 16.04

**URL:** <https://discuss.elastic.co/t/memory-confusion-in-ubuntu-16-04/50961>\
**Category:** Elasticsearch\
**Created:** [May 25, 2016, 4:14pm UTC](https://discuss.elastic.co/t/memory-confusion-in-ubuntu-16-04/50961 "2016-05-25T16:14:07Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![maziyar](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/maziyar/32/18423_2.png) [@maziyar](https://discuss.elastic.co/u/maziyar)\
**Post date:** [May 25, 2016, 5:19pm UTC](https://discuss.elastic.co/t/memory-confusion-in-ubuntu-16-04/50961/2 "2016-05-25T17:19:18Z")

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Also this is what happens to the heap size in Ubuntu 14.04 compare to Ubuntu 16.04:

Ubuntu 14.04  
[![](https://dl.dropboxusercontent.com/s/n1akwn909skdqii/Screenshot%202016-05-25%2019.16.46.png?dl=0) ](https://dl.dropboxusercontent.com/s/n1akwn909skdqii/Screenshot%202016-05-25%2019.16.46.png?dl=0)

Ubuntu 16.04 (Before 17:30 this node was Ubuntu 14.04)  
[![](https://dl.dropboxusercontent.com/s/92iojo50jyznugo/Screenshot%202016-05-25%2019.18.29.png?dl=0) ](https://dl.dropboxusercontent.com/s/92iojo50jyznugo/Screenshot%202016-05-25%2019.18.29.png?dl=0)

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