# OpenNebula 5 + Xen Host

**URL:** <https://forum.opennebula.io/t/opennebula-5-xen-host/2775>\
**Category:** Product Support\
**Created:** [August 17, 2016, 7:39pm UTC](https://forum.opennebula.io/t/opennebula-5-xen-host/2775 "2016-08-17T19:39:52Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![r3wt](https://avatars.discourse-cdn.com/v4/letter/r/9fc348/32.png) [@r3wt](https://forum.opennebula.io/u/r3wt)\
**Post date:** [August 17, 2016, 7:39pm UTC](https://forum.opennebula.io/t/opennebula-5-xen-host/2775/1 "2016-08-17T19:39:52Z")

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I’m using XEN on a Host, I have problem in memory usage graph area, it is showing wrong numbers, someone knows something about it?

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**Author:** ![vynt-kenshiro](https://avatars.discourse-cdn.com/v4/letter/v/5fc32e/32.png) [@vynt-kenshiro](https://forum.opennebula.io/u/vynt-kenshiro)\
**Post date:** [August 18, 2016, 5:07pm UTC](https://forum.opennebula.io/t/opennebula-5-xen-host/2775/2 "2016-08-18T17:07:53Z")

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Hi,

I am having the same problem. I am using OpenNebula 5.0.2 with KVM host. The VM is limit to 256MB RAM but graph area show real memory \> 256MB.

 ![](https://canada1.discourse-cdn.com/flex031/uploads/opennebula/original/2X/2/206444f443d5961b1a2815fd0363c4fb4fade614.png)