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Distributed Learning Technologies

April 19, 2016: BbLearn System Stability

Blackboard Learn experienced a pair of single-node micro outages:

  • From 1:22 PM to 1:28 PM, bbprd4 became unresponsive
  • From 1:59 PM to 2:04 PM, bbprd5 became unresponsive

In both cases, automatic monitoring systems detected the fault and took the impacted nodes out of traffic rotation until they could recover. Some users may have experienced minor errors before their traffic was automatically routed to other available nodes.

Support staff detected abnormal CPU utilization spikes on both nodes, and are investigating the issue.