[ovirt-devel] Tracking down a vdsm memory leak

I have a problem with a memory leak in vdsm. I have a dev cluster that right now is: - two nodes - CentOS 7.4 (up to date) - oVirt 4.2.2 (installed as 3.5 and upgraded version by version) - hosted engine (no other running VM at the moment) - iSCSI storage I have a script that writes the vdsm RSS to a file every five minutes, and on the node holding the hosted engine, vdsm RSS grows around 300-1500KB every snapshot. I maintain several oVirt clusters for others, and they all seem to have this problem. The production clusters are all still on oVirt 4.1, but they all have this problem too, so I guess it is something about how I set them up? On a couple I just checked, the vdsm RSS is over 1G. Any tips on instrumenting vdsm to track this down? I am unfortunately only passingly familiar with python (I can make small changes, but not knowledgeable enough to figure this out). -- Chris Adams <cma(a)cmadams.net&gt;