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(Books Online description: “Occurs when a task is waiting for a background task to flush trace buffers to disk every four seconds.”)

Questions/comments on this wait type? Click here to send Paul an email, especially if you have any information to add to this topic.

Added in SQL Server version:


Removed in SQL Server version:

2008 R2

Extended Events wait_type value:


Other information:

This wait type is one that I usually filter out as a benign wait when doing wait statistics analysis.