VDSM consumes a lot of cpu and memory / engine loses vdsm responses
Issue
VDSM consumes a lot of cpu and memory.
Engine loses vdsm responses.
In engine.log, the following error message would appear:
[org.ovirt.vdsm.jsonrpc.client.internal.ResponseWorker] (ResponseWorker) Exception thrown during message processing
If debug is enabled, it will have additional info:
"Heartbeat exeeded. Closing channel"
Environment
Red Hat Enterprise Virtualization (RHEV) 3.5
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