I have seen vdsmd leak memory for years (I've been running oVirt since
version 3.5), but never been able to nail it down.  I've upgraded a
cluster to oVirt 4.4.9 (reloading the hosts with CentOS 8-stream), and I
still see it happen.  One host in the cluster, which has been up 8 days,
has vdsmd with 4.3 GB resident memory.  On a couple of other hosts, it's
around half a gigabyte.

In the past, it seemed more likely to happen on the hosted engine hosts
and/or the SPM host... but the host with the 4.3 GB vdsmd is not either
of those.

I'm not sure what I do that would make my setup "special" compared to
others; I loaded a pretty minimal install of CentOS 8-stream, with the
only extra thing being I add the core parts of the Dell PowerEdge
OpenManage tools (so I can get remote SNMP hardware monitoring).

When I run "pmap $(pidof -x vdsmd)", the bulk of the RAM use is a single
anonymous block (which I'm guessing is just the python general memory
allocator).

I thought maybe the switch to CentOS 8 and python 3 might clear
something up, but obviously not.  Any ideas?

--
Chris Adams <cma@cmadams.net>
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