Version:
Question:
What is the root cause of intermittent sluggishness, especially when viewing node details in the Web Interface?
Issue:
During some operations the web console slows down and in some cases times out all together.
.At times the solution is to load another browser session on the client.
Sometimes when this happens the resolution is to restart the web front end - SQL is off box.
Symptoms:
The place I notice it most is when viewing node details or monitor details.
Other view loading, template building views have the behavior.
Resources:
Both are virtual machines on a 2012 R2 HyperV.
Other machines are not starving the nodes in question.
Our SQL server has an appropriate memory profile.
Polling engines:
Disk Queue Length:
From SQL during a request for node details, E: is the SQL database volume. Raid 5 - 8 physical disks.
CPU Utilization - SQL:
CPU Utilization - Web Front End:
Virtual Host CPU/Memory: (Note hardware status is healthy for the host, always)