On Fri, Jan 22, 2016 at 9:25 PM, Charles Kozler <charles@fixflyer.com> wrote:
Here is a screenshot of my three nodes and their increased memory usage over 30 days. Note that node #2 had 1 single VM that had 4GB of RAM assigned to it. I had since shut it down and saw no memory reclamation occur. Further, I flushed page caches and inodes and ran 'sync'. I tried everything but nothing brought the memory usage down. vdsm was low too (couple hundred MB)
Note that there is an old leak in vdsm, will be fixed in next 3.6 build: https://bugzilla.redhat.com/1269424
and there was no qemu-kvm process running so I'm at a loss
Please advise on what I can do to debug this. Note I have restarted node 2 (which is why you see the drop) to see if it raises in memory use over tim even with no VM's running
Not sure what is "memory" that you show in the graphs. Theoretically this may be normal memory usage, Linux using free memory for the buffer cache. Can you instead show the output of "free", during one day, maybe run once per hour? You may also like to install sysstat for collecting and monitoring resources usage.
[compute[root@node2 log]$ rpm -qa | grep -i ovirt libgovirt-0.3.2-1.el6.x86_64 ovirt-release35-006-1.noarch ovirt-hosted-engine-ha-1.2.8-1.el6.noarch ovirt-hosted-engine-setup-1.2.6.1-1.el6.noarch ovirt-engine-sdk-python-3.5.6.0-1.el6.noarch ovirt-host-deploy-1.3.2-1.el6.noarch
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Charles Kozler Vice President, IT Operations
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