Curious case of locking scenario with SQL Server audits

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In high mission-critical environments, ensuring high level of availability is a prerequisite and usually IT department addresses required SLAs (the famous 9’s) with high available architecture solutions. As stated by Wikipedia: availability measurement is subject to some degree of interpretation. Thus, IT department generally focus on uptime metric whereas for other departments availability is often related to application response time or tied to slowness / unresponsiveness complains. The latter is about application throughput and database locks may contribute to reduce it. This is something we are constantly monitoring in addition of the uptime in my company.

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