Classic MapReduce (v1) Pane

The Classic MapReduce (v1) pane shows information about MapReduce jobs.

Pane Details

  • Running Jobs - the number of MapReduce jobs currently running
  • Queued Jobs - the number of MapReduce jobs queued to run
  • Running Tasks - the number of Map and Reduce tasks currently running
  • Running Map Tasks - the number of Map tasks currently running
  • Running Reduce Tasks - the number of Reduce tasks currently running
  • Map Task Capacity - the number of map slots available across all nodes in the cluster
  • Reduce Task Capacity - the number of reduce slots available across all nodes in the cluster
  • Map Task Prefetch Capacity - the number of map tasks that can be queued to fill map slots once they become available
  • Blacklisted Nodes - the number of nodes that have been eliminated from the MapReduce pool