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You are designing a monitoring application for a new SQL Server 2014 instance.
You need to recommend a solution to generate a report that displays the 10 most frequent wait types that occur for the instance.
What should you include in the recommendation?
More than one answer choice may achieve the goal. Select the BEST answer.
A. The SQL Server error log
B. The sys.dm_os_wait_stats dynamic management view
C. The DBCC SQLPERF(WAITSTATS) command
D. SQL Server Profiler
Correct Answer: B
Explanation/Reference:
Explanation:
sys.dm_os_wait_stats
Returns information about all the waits encountered by threads that executed. You can use this aggregated view to diagnose performance issues with SQL Server and also with specific queries and batches.
Columns include:
waiting_tasks_count
Number of waits on this wait type. This counter is incremented at the start of each wait.
Reference:
sys.dm_db_wait_stats (Windows Azure SQL Database)
