JMX MBean View

biblioteca

Mon Jan 19 09:28:36 CET 2026
 
NameDomainjava.lang
nameCode Cache
typeMemoryPool
Java Classsun.management.MemoryPoolImpl
DescriptionInformation on the management interface of the MBean

Attribute Name Access Type Description Attribute Value
Name R java.lang.String Name 
Code Cache
Type R java.lang.String Type 
NON_HEAP
Valid R boolean Valid 
True
PeakUsage R javax.management.openmbean.CompositeData PeakUsage 
javax.management.openmbean.CompositeDataSupport(compositeType=javax.management.openmbean.CompositeType(name=java.lang.management.MemoryUsage,items=((itemName=committed,itemType=javax.management.openmbean.SimpleType(name=java.lang.Long)),(itemName=init,itemType=javax.management.openmbean.SimpleType(name=java.lang.Long)),(itemName=max,itemType=javax.management.openmbean.SimpleType(name=java.lang.Long)),(itemName=used,itemType=javax.management.openmbean.SimpleType(name=java.lang.Long)))),contents={committed=12976128, init=2555904, max=50331648, used=12730752})
Usage R javax.management.openmbean.CompositeData Usage 
javax.management.openmbean.CompositeDataSupport(compositeType=javax.management.openmbean.CompositeType(name=java.lang.management.MemoryUsage,items=((itemName=committed,itemType=javax.management.openmbean.SimpleType(name=java.lang.Long)),(itemName=init,itemType=javax.management.openmbean.SimpleType(name=java.lang.Long)),(itemName=max,itemType=javax.management.openmbean.SimpleType(name=java.lang.Long)),(itemName=used,itemType=javax.management.openmbean.SimpleType(name=java.lang.Long)))),contents={committed=12976128, init=2555904, max=50331648, used=12590400})
CollectionUsage R javax.management.openmbean.CompositeData CollectionUsage 
null
CollectionUsageThreshold RW long CollectionUsageThreshold
CollectionUsageThresholdCount R long CollectionUsageThresholdCount 
java.lang.UnsupportedOperationException: CollectionUsage threshold is not supported
MemoryManagerNames R [Ljava.lang.String; MemoryManagerNames 
CodeCacheManager
UsageThreshold RW long UsageThreshold
UsageThresholdCount R long UsageThresholdCount 
0
CollectionUsageThresholdExceeded R boolean CollectionUsageThresholdExceeded 
java.lang.UnsupportedOperationException: CollectionUsage threshold is not supported
CollectionUsageThresholdSupported R boolean CollectionUsageThresholdSupported 
False
UsageThresholdExceeded R boolean UsageThresholdExceeded 
True
UsageThresholdSupported R boolean UsageThresholdSupported 
True


Operation Return Type Description Parameters
resetPeakUsage void resetPeakUsage
[no parameters]