Semester Graphs

Fall 2009 (9/18/09 - 12/18/09, excluding weekends and student holidays) data is presented below, broken down by data point, or as a PDF here.

Login Breakdown

Because logins are provided on a per-weekly basis, this data set runs from 9/2/09 to 12/19/09 and does not exclude weekends or holidays.

This shows the breakdown of total Athena logins by machine type.

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Occupancy Rate

A good metric of cluster use is the occupancy rate for any given cluster. Unfortunately, the average daily occupancy rate for any given cluster is skewed by the fact that the occupancy for most clusters is nearly 0 between the hours of midnight and 9:00am. If the occupancy rate is presented as a range between average daily high occupancy and average daily low occupancy, we get a much better representation of cluster usage.

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