November 1, 2012
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VN:RO [1.9.17_1161]

Plan cache reuse

This metric shows the percentage of cached plans that are being used more than once. If a plan is cached but never reused, there may be an opportunity to tune your server to work more effectively. Read more

August 2, 2012
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VN:RO [1.9.17_1161]

CPU signal wait time

This metric measures the percentage of time spent waiting for CPU resources to service a thread. A high signal wait time for all wait types may indicate that CPUs are being overused, forcing tasks to wait for SQL Server processes. Read more