Hadoop - Metrics

1 - About

3 - Component

3.1 - Jvm

  • JvmMetrics

3.2 - Rpc

  • RetryCache/NameNodeRetryCache: RetryCache metrics is useful to monitor NameNode fail-over. Each metrics record contains Hostname tag.
  • rpc
  • rpcdetailed

3.3 - Hdfs

3.4 - Yarn

  • ClusterMetrics: shows the metrics of the YARN cluster from the .:yarn:rm|ResourceManager]]’s perspective.
  • QueueMetrics: shows an application queue from the ResourceManager’s perspective.
  • NodeManagerMetrics: shows the statistics of the containers in the node.
  • ContainerMetrics: shows the resource utilization statistics of a container.

3.5 - Ugi

  • UgiMetrics

3.6 - Metrics

  • MetricsSystem

3.7 - Default context

  • StartupProgress

4 - Documentation / Reference


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