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Why should I care about … the plan cache?


Rick Lowe


SQL Server is a huge product, with many different places a DBA can go to look for information on how the server is performing. So many in fact that they can often overlap, which sometimes makes it hard to understand why tackling a new tool is worth the effort. In this installment of Rick’s “Why should I care” series, he lays out a case for why working knowledge of the plan cache is critical for performance tuning efforts in real world environments. A review of relevant views and functions is included for the (newly?) motivated audience. Perfect for those who are relatively new to performance tuning concerns, or advanced DBAs trying to figure out how to have a similar conversation with their less experienced peers, or developers who are curious as to why their DBAs drink in the morning (allegedly). This is not a deep dive into the cache, it really is primarily a session exploring _why_ these DMOs are worth slogging through.


Rick is a Microsoft Certified Master with more than 15 years of experience working with SQL Server. He started his career as a database developer, but over time became more and more interested in how the database engine operated … eventually becoming more interested in the SQL Server engine than writing code. Since then he has pivoted, become more focused on operational issues, and for the past several years has been a SQL Server performance DBA … who will write code if he really has to. Rick is an independent consultant currently based in Denver, CO where he primarily focuses on performance tuning and developer education.

Recorded At:

2017 SQL Saturday Houston

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