- The article discusses the concept of "waits" in a database system and highlights their importance in tuning and optimizing performance.
- Waits in SQL are categorized into three categories: resource waits, queue waits, and external waits.
- Resource waits occur when a worker needs access to a resource but it's not available because another worker is using it.
- Queue waits occur when a worker is waiting for a task to be assigned to it.
- External waits occur when a worker is waiting for something outside the SQL Server environment to finish.
- The article also mentions various types of waits in the context of Business Central, such as buffer IO, buffer latch, compilation, CPU, idle, latch, lock, memory, network IO, other, other disk IO, parallelism, preemptive, service broker, SQL CLR, tran log IO, transaction, user wait, and worker thread.
- These wait types can help identify performance bottlenecks in the system.
- By analyzing database wait statistics in Business Central, users can identify and address these bottlenecks to improve system performance.
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