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From "Josh Harshman (JIRA)" <>
Subject [jira] [Created] (CLOUDSTACK-8678) OOM Kills Guests
Date Mon, 27 Jul 2015 20:58:04 GMT
Josh Harshman created CLOUDSTACK-8678:

             Summary: OOM Kills Guests
                 Key: CLOUDSTACK-8678
             Project: CloudStack
          Issue Type: Bug
      Security Level: Public (Anyone can view this level - this is the default.)
          Components: Hypervisor Controller, KVM
    Affects Versions: 4.4.2
         Environment: Intel Xeon Quad Core CPU L5520 @ 2.27GHz
Ubuntu 14.04
Running Cloustack 4.4.2
            Reporter: Josh Harshman
            Priority: Critical

We have several KVM nodes running Cloudstack 4.4.2. Sometimes an instance with X amount of
RAM provisioned will be started on a host that has X+a small amount of RAM free. The kernel
OOM killer will eventually kill off the instance. Has anyone else seen this behavior, is there
a way to reserve RAM for use by the host instead of by Cloudstack? Looking at the numbers
in the database and the logs, Cloudstack is trying to use 100% of the RAM on the host.

Any thoughts would be appreciated.

Thank you,

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