Spark 之 tasks - 详解

• executorRunTime Elapsed time the executor spent running this task.
  This includes time fetching shuffle data. The value is expressed in
  milliseconds.
• executorCpuTime CPU time the executor spent running this task. This
  includes time fetching shuffle data. The value is expressed in
  nanoseconds.
• executorDeserializeTime Elapsed time spent to deserialize this task.
  The value is expressed in milliseconds.
• executorDeserializeCpuTime CPU time taken on the executor to
  deserialize this task. The value is expressed in nanoseconds.

https://spark.apache.org/docs/latest/monitoring.html#executor-task-metrics