5.3.7. NodeManager health

This host-level alert checks the node health property available from the NodeManager component. Potential causes
  • Node Health Check script reports issues or is not configured. Possible remedies
  • Check in the NodeManager logs (/var/log/hadoop/yarn) for health check errors and restart the NodeManager, and restart if necessary.

  • Check in the ResourceManager UI logs (/var/log/hadoop/yarn) for health check errors.

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