Branch 1 shuffleoutput - aajisaka/hadoop-metrics GitHub Wiki

• shuffle_handler_busy_percent
  • Current percentage of Jetty's worker threads serving the output of map tasks
• shuffle_output_bytes
  • Total served map task outputs to other nodes in bytes
• shuffle_failed_outputs
  • Total number of failures in serving map task outputs
• shuffle_success_outputs
  • Total number of successes in serving map task outputs
• shuffle_exception_caught
  • Total number of exceptions caught in serving map task outputs

For more details, see org.apache.hadoop.mapred.ShuffleServerInstrumentation.java.