This article addresses the benefits provided from database virtualization. Before we proceed however, it is important to explain that database virtualization does NOT mean simply running a DBMS inside a virtual machine.
Database Virtualization, More Than Running a DBMS in a Virtual MachineWhile running a DBMS in a VM can provide advantages (and disadvantages) it is NOT database virtualization. Typical databases fuse together the data (or I/O) with the processing (CPU utilization) to operate as a single unit. Simply running that single unit in a VM does not provide the benefits detailed below. That is not database virtualization that is merely server virtualization. An Example of the Database Virtualization ProblemSay you have a database handling banking and I have $10MM in the bank (I wish). Now let’s assume that the bank is busy, so it [Read more...]
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