com.neeve.memory

Class MemoryStats

java.lang.Object

com.neeve.memory.MemoryStats

All Implemented Interfaces:

StatsLogger.Callback

public final class MemoryStats
extends Object
implements StatsLogger.Callback

Records Rog node stats

Threading:

This class is safe for concurrent access by multiple threads.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	MemoryStats.EntityType Various entity types
class	MemoryStats.EntityTypeStats Stores stats counters for an entity (entity, message, collection) or a group of entities
class	MemoryStats.IOBufferStats Stores global IO Buffer memory stats counters
class	MemoryStats.NativeMemoryStats Stores global native memory stats counters

Method Summary

Modifier and Type	Method and Description
void	after() Implementation of StatsLogger.Callback#after()
void	before() Implementation of StatsLogger.Callback#before()
void	get(StringBuilder sb) Implementation of StatsLogger.Callback#get(StringBuilder)
MemoryStats.EntityTypeStats	getCollectionStatsCounters() Get aggregate collection stats counters across all collection types
Map<Class<?>,MemoryStats.EntityTypeStats>	getCollectionTypeStatsCounters() Get collection stats counters by collection type
MemoryStats.EntityTypeStats	getEmbeddedEntityStatsCounters() Get aggregate embedded entity stats counters across all entity types
Map<Class<?>,MemoryStats.EntityTypeStats>	getEmbeddedEntityTypeStatsCounters() Get embedded entity stats counters by entity type
MemoryStats.EntityTypeStats	getEntityStatsCounters() Get aggregate entity stats counters across all entity types
Map<Class<?>,MemoryStats.EntityTypeStats>	getEntityTypeStatsCounters() Get entity stats counters by entity type
MemoryUsage	getHeapMemoryUsage() Get heap memory usage
static MemoryStats	getInstance() Get the singleton node stats instance
MemoryStats.IOBufferStats	getIOBufferStatsCounters() Get IOBuffer stats counters
MemoryStats.EntityTypeStats	getMessageStatsCounters() Get aggregate message stats counters across all message types
Map<Class<?>,MemoryStats.EntityTypeStats>	getMessageTypeStatsCounters() Get message stats counters by message type
MemoryStats.NativeMemoryStats	getNativeStatsCounters() Get native stats counters
long	getOffHeapMemoryUsedLive() Get used live off-heap (native) memory This method returns the amount of off-heap (native) memory in live use
long	getOffHeapMemoryUsedPooled() Get used pooled off-heap (native) memory This method returns the amount of off-heap (native) memory in pools
void	init() Implementation of StatsLogger.Callback#init()
void	onEntityAllocated(Class<?> entity, MemoryStats.EntityType entityType, boolean fromPool) Record the allocation of an entity
void	onEntityDataAllocated(Class<?> entity, MemoryStats.EntityType entityType, int bytes) Record the allocation of an entity data
void	onEntityDataDisposed(Class<?> entity, MemoryStats.EntityType entityType, int bytes, boolean toPool) Record the disposition of an entity data
void	onEntityDeserializerAllocated(Class<?> entity, MemoryStats.EntityType entityType, boolean fromPool) Record the allocation of an entity deserializer
void	onEntityDeserializerDisposed(Class<?> entity, MemoryStats.EntityType entityType, boolean toPool) Record the disposition of an entity deserializer
void	onEntityDeserializerLeaked(Class<?> entity, MemoryStats.EntityType entityType) Record the leakage of an entity deserializer
void	onEntityDisposed(Class<?> entity, MemoryStats.EntityType entityType, boolean toPool) Record the disposition of an entity
void	onEntityLeaked(Class<?> entity, MemoryStats.EntityType entityType) Record the pool leakage of an entity
void	onEntityMetadataAllocated(Class<?> entity, MemoryStats.EntityType entityType, int bytes) Record the allocation of an entity metadata
void	onEntityMetadataDisposed(Class<?> entity, MemoryStats.EntityType entityType, int bytes, boolean toPool) Record the disposition of an entity metadata
void	onEntityPojoAllocated(Class<?> entity, MemoryStats.EntityType entityType, boolean fromPool) Record the allocation of an entity pojo
void	onEntityPojoDisposed(Class<?> entity, MemoryStats.EntityType entityType, boolean toPool) Record the disposition of an entity pojo
void	onEntityPojoLeaked(Class<?> entity, MemoryStats.EntityType entityType) Record the leakage of an entity pojo
void	onEntitySerializerAllocated(Class<?> entity, MemoryStats.EntityType entityType, boolean fromPool) Record the allocation of an entity serializer
void	onEntitySerializerDisposed(Class<?> entity, MemoryStats.EntityType entityType, boolean toPool) Record the disposition of an entity serializer
void	onEntitySerializerLeaked(Class<?> entity, MemoryStats.EntityType entityType) Record the leakage of an entity serializer
void	onIOBufferAllocated(boolean fromPool, int bytes) Record an IOBuffer allocation
void	onIOBufferDisposed(boolean toPool, int bytes) Record an IOBuffer disposition
void	onIOBufferForked(int bytes) Record an IOBuffer fork
void	onIOBufferLeaked(int bytes) Record an IOBuffer pool leakage
void	onIOBufferReallocated(int bytes) Record an IOBuffer reallocation
void	onNativeMemoryAllocated(long bytes) Record a native memory allocation
void	onNativeMemoryFreed(long bytes) Record a native memory free
void	onNativeMemoryReallocated(long bytes) Record a native memory reallocation

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

getInstance

public static final MemoryStats getInstance()

Get the singleton node stats instance

init

public final void init()

Implementation of StatsLogger.Callback#init()

Specified by:

init in interface StatsLogger.Callback

get

public final void get(StringBuilder sb)

Implementation of StatsLogger.Callback#get(StringBuilder)

Specified by:

get in interface StatsLogger.Callback

before

public final void before()

Implementation of StatsLogger.Callback#before()

Specified by:

before in interface StatsLogger.Callback

after

public final void after()

Implementation of StatsLogger.Callback#after()

Specified by:

after in interface StatsLogger.Callback

onNativeMemoryAllocated

public final void onNativeMemoryAllocated(long bytes)

Record a native memory allocation

onNativeMemoryReallocated

public final void onNativeMemoryReallocated(long bytes)

Record a native memory reallocation

onNativeMemoryFreed

public final void onNativeMemoryFreed(long bytes)

Record a native memory free

onIOBufferAllocated

public final void onIOBufferAllocated(boolean fromPool,
                                      int bytes)

Record an IOBuffer allocation

onIOBufferReallocated

public final void onIOBufferReallocated(int bytes)

Record an IOBuffer reallocation

onIOBufferForked

public final void onIOBufferForked(int bytes)

Record an IOBuffer fork

onIOBufferDisposed

public final void onIOBufferDisposed(boolean toPool,
                                     int bytes)

Record an IOBuffer disposition

onIOBufferLeaked

public final void onIOBufferLeaked(int bytes)

Record an IOBuffer pool leakage

onEntityAllocated

public final void onEntityAllocated(Class<?> entity,
                                    MemoryStats.EntityType entityType,
                                    boolean fromPool)

Record the allocation of an entity

Parameters:

entity - The entity class

entityType - The type of entity

onEntityDisposed

public final void onEntityDisposed(Class<?> entity,
                                   MemoryStats.EntityType entityType,
                                   boolean toPool)

Record the disposition of an entity

Parameters:

entity - The entity class

onEntityLeaked

public final void onEntityLeaked(Class<?> entity,
                                 MemoryStats.EntityType entityType)

Record the pool leakage of an entity

Parameters:

entity - The entity class

onEntityPojoAllocated

public final void onEntityPojoAllocated(Class<?> entity,
                                        MemoryStats.EntityType entityType,
                                        boolean fromPool)

Record the allocation of an entity pojo

Parameters:

entity - The entity class

onEntityPojoDisposed

public final void onEntityPojoDisposed(Class<?> entity,
                                       MemoryStats.EntityType entityType,
                                       boolean toPool)

Record the disposition of an entity pojo

Parameters:

entity - The entity class

onEntityPojoLeaked

public final void onEntityPojoLeaked(Class<?> entity,
                                     MemoryStats.EntityType entityType)

Record the leakage of an entity pojo

Parameters:

entity - The entity class

onEntitySerializerAllocated

public final void onEntitySerializerAllocated(Class<?> entity,
                                              MemoryStats.EntityType entityType,
                                              boolean fromPool)

Record the allocation of an entity serializer

Parameters:

entity - The entity class

onEntitySerializerDisposed

public final void onEntitySerializerDisposed(Class<?> entity,
                                             MemoryStats.EntityType entityType,
                                             boolean toPool)

Record the disposition of an entity serializer

Parameters:

entity - The entity class

onEntitySerializerLeaked

public final void onEntitySerializerLeaked(Class<?> entity,
                                           MemoryStats.EntityType entityType)

Record the leakage of an entity serializer

Parameters:

entity - The entity class

onEntityDeserializerAllocated

public final void onEntityDeserializerAllocated(Class<?> entity,
                                                MemoryStats.EntityType entityType,
                                                boolean fromPool)

Record the allocation of an entity deserializer

Parameters:

entity - The entity class

onEntityDeserializerDisposed

public final void onEntityDeserializerDisposed(Class<?> entity,
                                               MemoryStats.EntityType entityType,
                                               boolean toPool)

Record the disposition of an entity deserializer

Parameters:

entity - The entity class

onEntityDeserializerLeaked

public final void onEntityDeserializerLeaked(Class<?> entity,
                                             MemoryStats.EntityType entityType)

Record the leakage of an entity deserializer

Parameters:

entity - The entity class

onEntityMetadataAllocated

public final void onEntityMetadataAllocated(Class<?> entity,
                                            MemoryStats.EntityType entityType,
                                            int bytes)

Record the allocation of an entity metadata

Parameters:

entity - The entity class

bytes - Number of metadata bytes allocated

onEntityMetadataDisposed

public final void onEntityMetadataDisposed(Class<?> entity,
                                           MemoryStats.EntityType entityType,
                                           int bytes,
                                           boolean toPool)

Record the disposition of an entity metadata

Parameters:

entity - The entity class

bytes - Number of metadata bytes disposed

onEntityDataAllocated

public final void onEntityDataAllocated(Class<?> entity,
                                        MemoryStats.EntityType entityType,
                                        int bytes)

Record the allocation of an entity data

Parameters:

entity - The entity class

bytes - Number of data bytes allocated

onEntityDataDisposed

public final void onEntityDataDisposed(Class<?> entity,
                                       MemoryStats.EntityType entityType,
                                       int bytes,
                                       boolean toPool)

Record the disposition of an entity data

Parameters:

entity - The entity class

bytes - Number of data bytes disposed

getHeapMemoryUsage

public final MemoryUsage getHeapMemoryUsage()

Get heap memory usage

getOffHeapMemoryUsedLive

public final long getOffHeapMemoryUsedLive()

Get used live off-heap (native) memory

This method returns the amount of off-heap (native) memory in live use

getOffHeapMemoryUsedPooled

public final long getOffHeapMemoryUsedPooled()

Get used pooled off-heap (native) memory

This method returns the amount of off-heap (native) memory in pools

getNativeStatsCounters

public final MemoryStats.NativeMemoryStats getNativeStatsCounters()

Get native stats counters

getIOBufferStatsCounters

public final MemoryStats.IOBufferStats getIOBufferStatsCounters()

Get IOBuffer stats counters

getEmbeddedEntityStatsCounters

public final MemoryStats.EntityTypeStats getEmbeddedEntityStatsCounters()

Get aggregate embedded entity stats counters across all entity types

getEmbeddedEntityTypeStatsCounters

public final Map<Class<?>,MemoryStats.EntityTypeStats> getEmbeddedEntityTypeStatsCounters()

Get embedded entity stats counters by entity type

getEntityStatsCounters

public final MemoryStats.EntityTypeStats getEntityStatsCounters()

Get aggregate entity stats counters across all entity types

getEntityTypeStatsCounters

public final Map<Class<?>,MemoryStats.EntityTypeStats> getEntityTypeStatsCounters()

Get entity stats counters by entity type

getMessageStatsCounters

public final MemoryStats.EntityTypeStats getMessageStatsCounters()

Get aggregate message stats counters across all message types

getMessageTypeStatsCounters

public final Map<Class<?>,MemoryStats.EntityTypeStats> getMessageTypeStatsCounters()

Get message stats counters by message type

getCollectionStatsCounters

public final MemoryStats.EntityTypeStats getCollectionStatsCounters()

Get aggregate collection stats counters across all collection types

getCollectionTypeStatsCounters

public final Map<Class<?>,MemoryStats.EntityTypeStats> getCollectionTypeStatsCounters()

Get collection stats counters by collection type