Overview
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Master advanced SQL Server query optimization techniques through this comprehensive conference presentation that explores the intricacies of parallel query execution and performance tuning strategies. Dive deep into the mechanics of how SQL Server handles parallelism, learning to identify when parallel execution helps versus when it hinders query performance. Discover practical methods for controlling parallel query behavior, including configuration settings, query hints, and plan guides that allow you to fine-tune execution strategies. Explore real-world scenarios where parallelism can cause performance bottlenecks, such as CXPACKET waits, resource contention, and inefficient parallel plan selection. Learn to analyze execution plans to understand parallel operations, interpret wait statistics related to parallelism, and implement solutions that optimize query performance across different workload patterns. Gain insights into cost threshold settings, max degree of parallelism configurations, and how to balance parallel processing benefits with system resource management. Understand the relationship between parallelism and other query optimization techniques, including indexing strategies, statistics management, and query design patterns that work effectively with parallel execution plans.
Syllabus
Best of PASS Summit 2014: Query Tuning Mastery: Manhandling Parallelism, 2014 Edition
Taught by
PASS Data Community Summit