参考1:https://www.axug.com/blogs/marco-van-luyk/2013/03/25/detect-deadlocks-axsql-server
参考2: https://blog.wsol.com/sql-server-locks-blocked-processes-and-two-easy-ways-to-find-them
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Enable the SQL trace in the option panel
- Category is deadlock
然而,在SQL中的Activity monitor 中发现有一些Active Expensive query。有一些suspend query 是blkBy 某些session。
按照StackFlow 的指示 kill了一些session后可以打开了。
https://stackoverflow.com/questions/15921458/how-to-kill-stop-a-long-sql-query-immediately