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MBean java.lang:type=GarbageCollector,name=PS Scavenge
Description Information on the management interface of the MBean
Attributes
Name
Description
Type
Value
New Value
CollectionCountCollectionCountlong5614Read-only attribute
CollectionTimeCollectionTimelong87042Read-only attribute
LastGcInfoLastGcInfojavax.management.openmbean.CompositeDatajavax.management.openmbean.CompositeDataSupport(compositeType=javax.management.openmbean.CompositeType(name=sun.management.PS Scavenge.GcInfoCompositeType,items=((itemName=GcThreadCount,itemType=javax.management.openmbean.SimpleType(name=java.lang.Integer)),(itemName=duration,itemType=javax.management.openmbean.SimpleType(name=java.lang.Long)),(itemName=endTime,itemType=javax.management.openmbean.SimpleType(name=java.lang.Long)),(itemName=id,itemType=javax.management.openmbean.SimpleType(name=java.lang.Long)),(itemName=memoryUsageAfterGc,itemType=javax.management.openmbean.TabularType(name=Map<java.lang.String,java.lang.management.MemoryUsage>,rowType=javax.management.openmbean.CompositeType(name=Map<java.lang.String,java.lang.management.MemoryUsage>,items=((itemName=key,itemType=javax.management.openmbean.SimpleType(name=java.lang.String)),(itemName=value,itemType=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))))))),indexNames=(key))),(itemName=memoryUsageBeforeGc,itemType=javax.management.openmbean.TabularType(name=Map<java.lang.String,java.lang.management.MemoryUsage>,rowType=javax.management.openmbean.CompositeType(name=Map<java.lang.String,java.lang.management.MemoryUsage>,items=((itemName=key,itemType=javax.management.openmbean.SimpleType(name=java.lang.String)),(itemName=value,itemType=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))))))),indexNames=(key))),(itemName=startTime,itemType=javax.management.openmbean.SimpleType(name=java.lang.Long)))),contents={GcThreadCount=4, duration=18, endTime=563217470, id=5614, memoryUsageAfterGc=javax.management.openmbean.TabularDataSupport(tabularType=javax.management.openmbean.TabularType(name=Map<java.lang.String,java.lang.management.MemoryUsage>,rowType=javax.management.openmbean.CompositeType(name=Map<java.lang.String,java.lang.management.MemoryUsage>,items=((itemName=key,itemType=javax.management.openmbean.SimpleType(name=java.lang.String)),(itemName=value,itemType=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))))))),indexNames=(key)),contents={[Compressed Class Space]=javax.management.openmbean.CompositeDataSupport(compositeType=javax.management.openmbean.CompositeType(name=Map<java.lang.String,java.lang.management.MemoryUsage>,items=((itemName=key,itemType=javax.management.openmbean.SimpleType(name=java.lang.String)),(itemName=value,itemType=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={key=Compressed Class Space, value=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=6422528, init=0, max=1073741824, used=6059392})}), [PS Survivor Space]=javax.management.openmbean.CompositeDataSupport(compositeType=javax.management.openmbean.CompositeType(name=Map<java.lang.String,java.lang.management.MemoryUsage>,items=((itemName=key,itemType=javax.management.openmbean.SimpleType(name=java.lang.String)),(itemName=value,itemType=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={key=PS Survivor Space, value=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=15728640, init=11010048, max=15728640, used=12379208})}), [PS Old Gen]=javax.management.openmbean.CompositeDataSupport(compositeType=javax.management.openmbean.CompositeType(name=Map<java.lang.String,java.lang.management.MemoryUsage>,items=((itemName=key,itemType=javax.management.openmbean.SimpleType(name=java.lang.String)),(itemName=value,itemType=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={key=PS Old Gen, value=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=179306496, init=179306496, max=2863661056, used=169121000})}), [Metaspace]=javax.management.openmbean.CompositeDataSupport(compositeType=javax.management.openmbean.CompositeType(name=Map<java.lang.String,java.lang.management.MemoryUsage>,items=((itemName=key,itemType=javax.management.openmbean.SimpleType(name=java.lang.String)),(itemName=value,itemType=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={key=Metaspace, value=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=56754176, init=0, max=-1, used=55213112})}), [PS Eden Space]=javax.management.openmbean.CompositeDataSupport(compositeType=javax.management.openmbean.CompositeType(name=Map<java.lang.String,java.lang.management.MemoryUsage>,items=((itemName=key,itemType=javax.management.openmbean.SimpleType(name=java.lang.String)),(itemName=value,itemType=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={key=PS Eden Space, value=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=57671680, init=67108864, max=1399848960, used=0})}), [Code Cache]=javax.management.openmbean.CompositeDataSupport(compositeType=javax.management.openmbean.CompositeType(name=Map<java.lang.String,java.lang.management.MemoryUsage>,items=((itemName=key,itemType=javax.management.openmbean.SimpleType(name=java.lang.String)),(itemName=value,itemType=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={key=Code Cache, value=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=43974656, init=2555904, max=251658240, used=43549952})})}), memoryUsageBeforeGc=javax.management.openmbean.TabularDataSupport(tabularType=javax.management.openmbean.TabularType(name=Map<java.lang.String,java.lang.management.MemoryUsage>,rowType=javax.management.openmbean.CompositeType(name=Map<java.lang.String,java.lang.management.MemoryUsage>,items=((itemName=key,itemType=javax.management.openmbean.SimpleType(name=java.lang.String)),(itemName=value,itemType=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))))))),indexNames=(key)),contents={[Compressed Class Space]=javax.management.openmbean.CompositeDataSupport(compositeType=javax.management.openmbean.CompositeType(name=Map<java.lang.String,java.lang.management.MemoryUsage>,items=((itemName=key,itemType=javax.management.openmbean.SimpleType(name=java.lang.String)),(itemName=value,itemType=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={key=Compressed Class Space, value=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=6422528, init=0, max=1073741824, used=6059392})}), [PS Survivor Space]=javax.management.openmbean.CompositeDataSupport(compositeType=javax.management.openmbean.CompositeType(name=Map<java.lang.String,java.lang.management.MemoryUsage>,items=((itemName=key,itemType=javax.management.openmbean.SimpleType(name=java.lang.String)),(itemName=value,itemType=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={key=PS Survivor Space, value=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=16252928, init=11010048, max=16252928, used=10584576})}), [PS Old Gen]=javax.management.openmbean.CompositeDataSupport(compositeType=javax.management.openmbean.CompositeType(name=Map<java.lang.String,java.lang.management.MemoryUsage>,items=((itemName=key,itemType=javax.management.openmbean.SimpleType(name=java.lang.String)),(itemName=value,itemType=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={key=PS Old Gen, value=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=179306496, init=179306496, max=2863661056, used=169121000})}), [Metaspace]=javax.management.openmbean.CompositeDataSupport(compositeType=javax.management.openmbean.CompositeType(name=Map<java.lang.String,java.lang.management.MemoryUsage>,items=((itemName=key,itemType=javax.management.openmbean.SimpleType(name=java.lang.String)),(itemName=value,itemType=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={key=Metaspace, value=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=56754176, init=0, max=-1, used=55213112})}), [PS Eden Space]=javax.management.openmbean.CompositeDataSupport(compositeType=javax.management.openmbean.CompositeType(name=Map<java.lang.String,java.lang.management.MemoryUsage>,items=((itemName=key,itemType=javax.management.openmbean.SimpleType(name=java.lang.String)),(itemName=value,itemType=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={key=PS Eden Space, value=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=56623104, init=67108864, max=1399324672, used=56623104})}), [Code Cache]=javax.management.openmbean.CompositeDataSupport(compositeType=javax.management.openmbean.CompositeType(name=Map<java.lang.String,java.lang.management.MemoryUsage>,items=((itemName=key,itemType=javax.management.openmbean.SimpleType(name=java.lang.String)),(itemName=value,itemType=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={key=Code Cache, value=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=43974656, init=2555904, max=251658240, used=43549952})})}), startTime=563217452})Read-only attribute
MemoryPoolNamesMemoryPoolNamesArray of java.lang.StringView arrayRead-only attribute
NameNamejava.lang.StringPS ScavengeRead-only attribute
ObjectNameObjectNamejavax.management.ObjectNamejava.lang:type=GarbageCollector,name=PS ScavengeRead-only attribute
ValidValidbooleantrueRead-only attribute
Operations
Name
Return type
Description
Constructors
 
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