Realtime Compute provides the job diagnosis feature to help you troubleshoot job issues.

Procedure

Note Only the running jobs support the diagnosis feature.
  1. Log on to the Realtime Compute Console.
  2. In the top navigation bar, click Administration to go to the Administration page.
  3. Click Check in the Actions column of a job.

Check metrics

  • Failover
    • Job failover: Check whether the job has encountered a failover in the last 30 minutes.
    • Application Master (AM) failover: Check whether a failover is detected in AM.
  • Blink Metric
    Job latency: Check and obtain the job latency. When a latency occurs, the nodes that apply back pressure are displayed.
    • High latency: The latency is longer than 100 seconds and less than 200 seconds.
    • Excessively high latency: The latency reaches 200 seconds or longer.
  • Yarn

    This tab displays the Yarn check result..

  • OS

    This tab displays the OS check result.