XE Default Sessions

Jason Brimhall goes into the various Extended Events default sessions:

With the release of SQL Server 2016 there is another default session that gets installed. This session is probably the most difficult to find. This is a private hidden session when it is installed. In addition, it is not present by default with SQL 2016 RTM but it was present by default with various CTP versions. The session is specific to the new stretch feature and is called rdaxesession.

Breaking down this particular session reveals pretty easily what feature the session is designed to support. The name rdaxesession breaks down to the following: rda = remote data archive, and then the rest is self explanatory. If I investigate the metadata for the session I will discover that the following events are traced in the session:

Jason also has an earlier blog post about the default sessions I tend to use, like system health.

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