We observed that the time taken to register datasets rose dramatically.

Possible causes:

  1. Tom's was attempting to delete an old task with 1.5million datasets, starting at about 8am January 29. This request never completed and was canceled at about 5pm on January 29
  2. Karen attempted to set up materialized views on the dataset table, at around 11am on January 29.
  3. Glastlnx11 was importing large amounts of housekeeping data (exact time?)
  4. There were problems with the nightly backup on January 29/30 night, it was restarted and ran for much of the day on January 30.
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