I'm monitoring 10 server with a total of about 750 databases. When I open performance advisor, the TOP SQL window frequently takes a long time to load initially, then after loading it fails to update anymore. Instead, I just get the hourglass waiting cursor. Why?
The SQL Sentry database is hosted on a very fast production server that is significantly underused.
The SQL Sentry service is running on a VM in the datacenter where the database is hosted. The VM is a dual-proc instance with 8 GB of RAM.
All machines involved are running Windows 2008 R2 Enterprise (x64) and SQL 2012 SP1 CU 7. Except for the SQL Sentry service machine, all machines involved have a minimum of 64 GB of RAM, most have 128 GB.
I am running the client an a production-class server that is unused and located in the same datacenter as the server hosting the SQL Sentry database.
I don't see any monitoring errors being thrown by the SQL Sentry service, and I see plenty of queries being executed against the SQL Sentry database by client.
What's going on here?
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