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Monitoring SQL  «Prev 

Monitoring SQL Server

As a system administrator, one of your tasks is to monitor SQL Server. While there are many tools that can be used to provide different information, using SQL to monitor SQL Server provides consistent information no matter what client platform you are using.

SQL Server database systems are more than ever before being chosen as the preferred backend database solution for large business's critical systems.
And SQL Server richly deserves this status. As a result of this, more users than ever before are blocked in their daily activity when the database is not available, or in a bad shape. It is your responsibility as a DBA to know the health of your SQL Server so you can take proactive action to minimize chances anything bad happens to your system. But do not panic. If you have the right tools in place, your system will tell you how it feels and will warn you well before it reaches the alarm phase. Through its performance behavior, you can spot potential problems not yet visible to the end-user. If, for example, for no reason response times of a certain query slow down from 100 to 500 ms, the end-user will not be alarmed, but you should.
I am not only addressing those DBA's among you who are responsible for SQL Server systems with thousands of users connected. If your system goes down with only 10 users connected, they will haunt you for not delivering what they expect you to. I don't want to frighten you or put unnecessary pressure on you, because I consider being a SQL Server DBA is probably the greatest jobs there is, you should feel comfortable with the system you are responsible for. This can only be achieved if your system tells you what is going on inside. That is why you should have reliable monitoring tools in place, starting even before going live with a new piece of software.
You will have to convince your manager that investing in monitoring this early in a project’s lifecycle is no luxury.


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