In another module in this class, we explain normal ranges of CXPACKET, CXCONSUMER, and LATCH_EX that you’ll see during a typical workload. We how to mitigate “normal” parallelism waits with changes to Cost Threshold for Parallelism and MAXDOP. However, I say that just by changing those two settings alone, you may still run into abnormal…
Bonus: Abnormal Parallelism
In another module in this class, we explain normal ranges of CXPACKET, CXCONSUMER, and LATCH_EX that you’ll see during a typical workload. We how to mitigate “normal” parallelism waits with changes to Cost Threshold for Parallelism and MAXDOP. However, I say that just by changing those two settings alone, you may still run into abnormal…
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- 0.1 Prerequisites Before the Class
- 0.2 Download the Slides and Scripts
- 1.1 How to Measure Your SQL Server
- 1.2 How to Fix PAGEIOLATCH Waits
- 1.3 Lab 1: Fixing PAGEIOLATCH Waits
- 1.4 How to Fix CPU Waits (SOS_SCHEDULER_YIELD)
- 1.5 Lab 2: CPU-Intensive Workload
- 2.1 How to Fix Parallelism Waits (CXPACKET, CXCONSUMER, and LATCH_EX)
- 2.2 Plan Caching and Parameterization
- 2.3 Lab 3: Mixed Workload
- 2.4 How to Fix Blocking Waits (LCK%)
- 2.5 Lab 4 Setup: Planning the Work
- 3.1 How to Fix Worker Thread Waits (THREADPOOL)
- 3.2 How to Fix Query Memory Waits (RESOURCE_SEMAPHORE)
- 3.3 How to Fix Hardware-Sounding Waits (WRITELOG, HADR_SYNC_COMMIT, ASYNC_NETWORK_IO)
- 3.4 Lab 5 Setup: Architecture Changes
- 3.5 How to Triage Performance Emergencies
- 3.6 Lab 6 Setup: Emergency Triage
- Bonus: Storytelling Time