A SQL deadlock detecting tool like SolarWinds SQL Sentry enables you to quickly recognize when a deadlock has occurred, understand its root causes, and see actions you can take to reduce the chances of a repeat deadlock. While these methods could offer some relief, they’re not as fast, easy, and efficient as using a deadlock monitoring tool to avoid deadlocks in SQL Server. Extended event session: SQL Server runs an extended event trace by default, but this method is time-consuming, prone to human error, and requires manual effort.This method also has to run at all times, preventing you from proactively collecting metrics. SQL Server profiler: Also known as a server-side trace, this can capture SQL Server deadlock details and display them in an XML graph.Performance counter: This is designed to show the number of deadlocks present in SQL Server but doesn’t offer details regarding the session transactions involved.Trace flags must be running at all times, making it hard to proactively detect deadlocks. Trace flags: Through trace flags 1204 or 1222, SQL Server can perform deadlocks monitoring.These methods are performed through SQL Server itself: There are some ways to find a lock in SQL Server without using a SQL deadlock monitor. A SQL deadlock monitor can discover and resolve deadlocks in SQL Server by offering insights and capabilities that improve upon the deadlock monitoring. The best way to avoid deadlocks in SQL Server is to enlist the help of a SQL deadlocks monitoring tool. You could also set the number of retries allowed to a set number, reducing the chances of an infinite loop.
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