Three historical graphs of EDM Usage
Note that these servers have been retired. There are current usage graphs
edm1.cac
Note: Some peaks have been commented out in the data file
to provide a graph that's easier to read.
Noteworthy dates
- Usage graphs initialized: May 2005
- Production use began: 10 May 2005
- Sent notice to some 63 thousand users about turning on spam filtering.
This caused a giant spike in customers coming to EDM. 07 Dec 2007
- Clustered with edm2.cac: 07 Feb 2007
- Note that the user counts are for unique users
per server so with clustering the total of
edm1 + edm2 can be greater than the actual number of
unique users that day.
edm2.cac
Note: Some peaks have been commented out in the data file
to provide a graph that's easier to read.
Noteworthy dates
- edm1 hw failure, so diverted customer loads to edm1: Dec 27-29 2007
- Clustered with edm2.cac: 07 Feb 2007
edison02 - the production server retired May 10th, shut down May24th`
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UW Technology Services
David Wall davidw at uw.edu
Modified: 20 May 2010
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