Package org.apache.druid.segment.loading

Class StorageLocation.WeakStats

java.lang.Object

org.apache.druid.segment.loading.StorageLocation.WeakStats

All Implemented Interfaces:

VirtualStorageLocationStats

Enclosing class:

StorageLocation

public static final class StorageLocation.WeakStats
extends Object
implements VirtualStorageLocationStats

Constructor Summary

Constructors

Constructor	Description
WeakStats(AtomicLong sizeUsed, AtomicLong holdCount, AtomicLong holdBytes)

Method Summary

Modifier and Type	Method	Description
StorageLocation.WeakStats	evict(long size)
long	getEvictionBytes()	Number of bytes removed from the cache during the measurement period
long	getEvictionCount()	Number of cache entries removed during the measurement period
long	getHitBytes()	Number of bytes used by operations on entries which were already present during the measurement period
long	getHitCount()	Number of operations for which an entry was already present during the measurement period
long	getHoldBytes()	Number of bytes from active holds on cache entries, indicating active usage at the time this measurement collection was created.
long	getHoldCount()	Number of active holds on cache entries, indicating active usage at the time this measurement collection was created.
long	getLoadBytes()	Number of bytes loaded for entries missing from the cache during the measurement period
long	getLoadCount()	Number of operations for which an entry was missing and was loaded into the cache during the measurement period
long	getRejectCount()	Number of operations which could not be loaded due to insufficient space during the measurement period
long	getUnmountCount()
long	getUsedBytes()	Current number of bytes stored which are managed as virtual storage at the time this measurement collection was created.
StorageLocation.WeakStats	hit(long size)
StorageLocation.WeakStats	load(long size)
StorageLocation.WeakStats	reject()
StorageLocation.WeakStats	unmount()

Methods inherited from class java.lang.Object

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

Constructor Details

WeakStats

public WeakStats(AtomicLong sizeUsed,
 AtomicLong holdCount,
 AtomicLong holdBytes)

Method Details

hit

public StorageLocation.WeakStats hit(long size)

load

public StorageLocation.WeakStats load(long size)

evict

public StorageLocation.WeakStats evict(long size)

unmount

public StorageLocation.WeakStats unmount()

reject

public StorageLocation.WeakStats reject()

getUsedBytes

public long getUsedBytes()

Description copied from interface: VirtualStorageLocationStats

Current number of bytes stored which are managed as virtual storage at the time this measurement collection was created.

Specified by:

getUsedBytes in interface VirtualStorageLocationStats

getHoldCount

public long getHoldCount()

Description copied from interface: VirtualStorageLocationStats

Number of active holds on cache entries, indicating active usage at the time this measurement collection was created.

Specified by:

getHoldCount in interface VirtualStorageLocationStats

getHoldBytes

public long getHoldBytes()

Description copied from interface: VirtualStorageLocationStats

Number of bytes from active holds on cache entries, indicating active usage at the time this measurement collection was created.

Specified by:

getHoldBytes in interface VirtualStorageLocationStats

getHitCount

public long getHitCount()

Description copied from interface: VirtualStorageLocationStats

Number of operations for which an entry was already present during the measurement period

Specified by:

getHitCount in interface VirtualStorageLocationStats

getHitBytes

public long getHitBytes()

Description copied from interface: VirtualStorageLocationStats

Number of bytes used by operations on entries which were already present during the measurement period

Specified by:

getHitBytes in interface VirtualStorageLocationStats

getLoadCount

public long getLoadCount()

Description copied from interface: VirtualStorageLocationStats

Number of operations for which an entry was missing and was loaded into the cache during the measurement period

Specified by:

getLoadCount in interface VirtualStorageLocationStats

getLoadBytes

public long getLoadBytes()

Description copied from interface: VirtualStorageLocationStats

Number of bytes loaded for entries missing from the cache during the measurement period

Specified by:

getLoadBytes in interface VirtualStorageLocationStats

getEvictionCount

public long getEvictionCount()

Description copied from interface: VirtualStorageLocationStats

Number of cache entries removed during the measurement period

Specified by:

getEvictionCount in interface VirtualStorageLocationStats

getEvictionBytes

public long getEvictionBytes()

Description copied from interface: VirtualStorageLocationStats

Number of bytes removed from the cache during the measurement period

Specified by:

getEvictionBytes in interface VirtualStorageLocationStats

getRejectCount

public long getRejectCount()

Description copied from interface: VirtualStorageLocationStats

Number of operations which could not be loaded due to insufficient space during the measurement period

Specified by:

getRejectCount in interface VirtualStorageLocationStats

getUnmountCount

public long getUnmountCount()