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