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In this example, the deadlock involved Keys or rather indexes.
The deadlock graph is the easiest way to get information about a deadlock.
If you've been playing with the betas of SQL Server 2016, you may have noticed that Plan Explorer does not completely support the beta builds out of the box.
Even though Microsoft is still several months away from a formal and final release, we are working very hard to eliminate these incompatibilities; here are a couple of ways to get around them.
The XML contains information which is not visible in the graphical representation of the Deadlock Graph, which makes it necessary for us to look at the XML description. The victim list is exactly what it says it’s a list of process ids which have been selected to be the victims of the deadlock. The second part: 20 is the database id The third part: 72057594045595648 is the Heap or B tree ID The part in brackets is the hash value for the index key If you look at the XML itself, you will notice a couple of other details not mentioned in MSDN.
The first step in shredding an XML document and inserting its data into a SQL Server table is getting the document into the most easily-processed form.
Please update to the latest build of Plan Explorer; just go to Help Check for Updates.
If you can't update your existing copy of Plan Explorer for whatever reason, there is another workaround: hand-massage the XML.
So instead of just using the deadlock graph, be sure to also look at the XML description of the graph.
Minette Steynberg has over 15 years’ experience in working with data in different IT roles including SQL developer and SQL Server DBA to name but a few.