Weak Reference Statistics

Comment

A total of 287,224 java.lang.ref.WeakReference objects have been found, which weakly reference 22,600 objects.
4 objects totalling 96 B are retained (kept alive) only via weak references.
Possible Memory Leak 2 objects totalling 32 B are weakly referenced and also strongly retained (kept alive) via weak references.

Histogram of Weak References

Class Name	Objects	Shallow Heap	Retained Heap
java.lang.ref.WeakReference First 10 of 250,846 objects	250,846	8,027,072	8,027,072
io.opentelemetry.javaagent.shaded.instrumentation.api.cache.internal.weaklockfree.AbstractWeakConcurrentMap$WeakKey First 10 of 14,130 objects	14,130	452,160	452,160
java.util.WeakHashMap$Entry First 10 of 8,832 objects	8,832	353,280	34,506,024
com.dynatrace.agent.util.ClassLoaderLifecycle$WeakIdentityReference First 10 of 6,292 objects	6,292	201,344	201,344
java.lang.invoke.MethodType$ConcurrentWeakInternSet$WeakEntry First 10 of 4,867 objects	4,867	155,744	155,744
java.util.logging.LogManager$LoggerWeakRef First 10 of 680 objects	680	32,640	43,168
java.lang.ThreadLocal$ThreadLocalMap$Entry First 10 of 460 objects	460	14,720	212,552
java.util.ResourceBundle$KeyElementReference First 10 of 284 objects	284	9,088	9,088
java.io.ObjectStreamClass$WeakClassKey First 10 of 224 objects	224	7,168	7,168
java.lang.WeakPairMap$Pair$Weak First 10 of 135 objects	135	5,400	9,720
java.lang.WeakPairMap$Pair$Weak$1 First 10 of 135 objects	135	4,320	4,320
java.io.ObjectStreamClass$FieldReflectorKey First 10 of 107 objects	107	4,280	9,368
com.dynatrace.agent.util.WeakIdentityHashMap$IdentityWeakReference First 10 of 70 objects	70	2,800	2,800
jdk.internal.jimage.ImageBufferCache$BufferReference First 10 of 59 objects	59	1,888	1,888
com.dynatrace.agent.util.StringMurmur2HashCache$StringWithHash First 10 of 32 objects	32	1,280	1,280
com.sun.jmx.mbeanserver.WeakIdentityHashMap$IdentityWeakReference First 10 of 25 objects	25	800	800
java.lang.ClassValue$Entry First 10 of 13 objects	13	416	416
de.hybris.platform.util.WeakValueHashMap$MyWeakReference All 9 objects	9	288	288
java.util.logging.Level$KnownLevel All 9 objects	9	288	288
sun.nio.ch.FileLockTable$FileLockReference All 8 objects	8	256	256
jdk.internal.ref.CleanerImpl$WeakCleanableRef All 2 objects	2	96	96
sun.rmi.transport.WeakRef All 2 objects	2	80	80
sun.security.provider.FileInputStreamPool$StreamRef All 2 objects	2	64	64
java.beans.WeakIdentityMap$Entry Only object	1	40	38,697,960
Total: 24 entries	287,224	9,275,512

Histogram of Weakly Referenced

Class Name	Objects	Shallow Heap
jdk.internal.reflect.DelegatingClassLoader First 10 of 6,135 objects	6,135	441,720
java.lang.invoke.MethodType First 10 of 4,860 objects	4,860	194,400
java.lang.Class First 10 of 10,190 objects	10,190	122,496
java.util.logging.Logger First 10 of 328 objects	328	18,368
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask First 10 of 195 objects	195	15,600
de.hybris.platform.core.TenantAwareThreadFactory$1 First 10 of 85 objects	85	12,920
org.apache.jasper.servlet.JasperLoader First 10 of 112 objects	112	11,648
java.lang.Module First 10 of 189 objects	189	9,072
de.hybris.tomcat.HybrisWebappLoader$HybrisWebappClassLoader First 10 of 36 objects	36	5,760
de.hybris.platform.util.threadpool.PoolableThread First 10 of 36 objects	36	5,760
org.apache.tomcat.util.threads.TaskThread First 10 of 40 objects	40	5,120
org.aspectj.weaver.ReferenceType First 10 of 35 objects	35	5,040
com.sun.jmx.mbeanserver.PerInterface First 10 of 30 objects	30	1,200
groovy.lang.GroovyClassLoader$InnerLoader All 7 objects	7	896
java.lang.String First 10 of 32 objects	32	768
com.sun.jmx.mbeanserver.DefaultMXBeanMappingFactory$IdentityMapping First 10 of 32 objects	32	768
javax.management.ImmutableDescriptor First 10 of 30 objects	30	720
java.lang.Thread All 5 objects	5	600
com.sun.jmx.mbeanserver.DefaultMXBeanMappingFactory$CompositeMapping First 10 of 12 objects	12	576
java.lang.ThreadLocal First 10 of 36 objects	36	576
sun.management.MemoryPoolImpl All 8 objects	8	448
com.sap.db.jdbc.BasicSession All 2 objects	2	400
com.sun.xml.bind.v2.model.impl.RuntimeTypeInfoSetImpl All 6 objects	6	336
sun.nio.ch.FileLockImpl All 8 objects	8	320
java.util.logging.Level All 9 objects	9	288
Total: 25 of 100 entries; 75 more	22,600	860,800

Only Weakly Retained

Class Name	Objects	Shallow Heap
sun.reflect.generics.reflectiveObjects.ParameterizedTypeImpl All 2 objects	2	48
java.lang.reflect.Type[] All 2 objects	2	48
Total: 2 entries	4	96

Referents strongly retained by weak references

Class Name	Objects	Shallow Heap
de.hybris.platform.sap.core.configuration.model.SAPGlobalConfigurationModel Only object	1	16
de.hybris.platform.sap.core.configuration.model.SAPHTTPDestinationModel Only object	1	16
Total: 2 entries	2	32

Result for referents of type de.hybris.platform.sap.core.configuration.model.SAPGlobalConfigurationModel

No strong paths to referents found from 1 reference objects.

Result for referents of type de.hybris.platform.sap.core.configuration.model.SAPHTTPDestinationModel

No strong paths to referents found from 1 reference objects.