jvm.md

JVM Metrics

The JMX Metric Gatherer provides built in JVM metric gathering capabilities.

Metrics

jvm.classes.loaded

• Name: jvm.classes.loaded
• Description: The number of loaded classes
• Unit: 1
• Instrument Type: LongValueObserver

jvm.gc.collections.count

• Name: jvm.gc.collections.count
• Description: The total number of garbage collections that have occurred
• Unit: 1
• Instrument Type: LongSumObserver

jvm.gc.collections.elapsed

• Name: jvm.gc.collections.elapsed
• Description: The approximate accumulated collection elapsed time
• Unit: ms
• Instrument Type: LongSumObserver

jvm.memory.heap.init

• Name: jvm.memory.heap.init
• Description: The initial amount of memory that the JVM requests from the operating system for the heap
• Unit: by
• Instrument Type: LongValueObserver

jvm.memory.heap.max

• Name: jvm.memory.heap.max
• Description: The maximum amount of memory can be used for the heap
• Unit: by
• Instrument Type: LongValueObserver

jvm.memory.heap.used

• Name: jvm.memory.heap.used
• Description: The current heap memory usage
• Unit: by
• Instrument Type: LongValueObserver

jvm.memory.heap.committed

• Name: jvm.memory.heap.committed
• Description: The amount of memory that is guaranteed to be available for the heap
• Unit: by
• Instrument Type: LongValueObserver

jvm.memory.nonheap.init

• Name: jvm.memory.nonheap.init
• Description: The initial amount of memory that the JVM requests from the operating system for non-heap purposes
• Unit: by
• Instrument Type: LongValueObserver

jvm.memory.nonheap.max

• Name: jvm.memory.nonheap.max
• Description: The maximum amount of memory can be used for non-heap purposes
• Unit: by
• Instrument Type: LongValueObserver

jvm.memory.nonheap.used

• Name: jvm.memory.nonheap.used
• Description: The current non-heap memory usage
• Unit: by
• Instrument Type: LongValueObserver

jvm.memory.nonheap.committed

• Name: jvm.memory.nonheap.committed
• Description: The amount of memory that is guaranteed to be available for non-heap purposes
• Unit: by
• Instrument Type: LongValueObserver

jvm.memory.pool.init

• Name: jvm.memory.pool.init
• Description: The initial amount of memory that the JVM requests from the operating system for the memory pool
• Unit: by
• Instrument Type: LongValueObserver

jvm.memory.pool.max

• Name: jvm.memory.pool.max
• Description: The maximum amount of memory can be used for the memory pool
• Unit: by
• Instrument Type: LongValueObserver

jvm.memory.pool.used

• Name: jvm.memory.pool.used
• Description: The current memory pool memory usage
• Unit: by
• Instrument Type: LongValueObserver

jvm.memory.pool.committed

• Name: jvm.memory.pool.committed
• Description: The amount of memory that is guaranteed to be available for the memory pool
• Unit: by
• Instrument Type: LongValueObserver

jvm.threads.count

• Name: jvm.threads.count
• Description: The current number of threads
• Unit: 1
• Instrument Type: LongValueObserver