JVM - aajisaka/hadoop-metrics GitHub Wiki

Here is the list of jvm metrics.

  • MemNonHeapUsedM
    • Current non-heap memory used in MB
  • MemNonHeapCommittedM
    • Current non-heap memory committed in MB
  • MemNonHeapMaxM
    • Max non-heap memory size in MB
  • MemHeapUsedM
    • Current heap memory used in MB
  • MemHeapCommittedM
    • Current heap memory committed in MB
  • MemHeapMaxM
    • Max heap memory size in MB
  • MemMaxM
    • Max memory size in MB
  • ThreadsNew
    • Current number of NEW threads
  • ThreadsRunnable
    • Current number of RUNNABLE threads
  • ThreadsBlocked
    • Current number of BLOCKED threads
  • ThreadsWaiting
    • Current number of WAITING threads
  • ThreadsTimedWaiting
    • Current number of TIMED_WAITING threads
  • ThreadsTerminated
    • Current number of TERMINATED threads
  • GcInfo
    • Total GC count and GC time in msec, grouped by the kind of GC.
    • ex.) GcCountPS Scavenge=6, GCTimeMillisPS Scavenge=40, GCCountPS MarkSweep=0, GCTimeMillisPS MarkSweep=0
  • GcCount
    • Total GC count
  • GcTimeMillis
    • Total GC time in msec
  • LogFatal
    • Total number of FATAL logs
  • LogError
    • Total number of ERROR logs
  • LogWarn
    • Total number of WARN logs
  • LogInfo
    • Total number of INFO logs

For more details, see org.apache.hadoop.metrics2.source.JvmMetrics.java