public interface CacheRegionStatistics extends Serializable
Second level cache statistics of a specific region
Modifier and Type | Field and Description |
---|---|
static long |
NO_EXTENDED_STAT_SUPPORT_RETURN
The value returned from
getElementCountInMemory() ,
getElementCountOnDisk() and getSizeInMemory()
for cache providers that do not support such "extended" statistics. |
Modifier and Type | Method and Description |
---|---|
long |
getElementCountInMemory()
The number of elements currently in memory within the cache provider.
|
long |
getElementCountOnDisk()
The number of elements currently stored to disk within the cache provider.
|
long |
getHitCount()
The number of successful cache look-ups against the region since the
last Statistics clearing
|
long |
getMissCount()
The number of unsuccessful cache look-ups against the region since the
last Statistics clearing
|
long |
getPutCount()
The number of cache puts into the region since the last Statistics
clearing
|
String |
getRegionName() |
long |
getSizeInMemory()
The size that the in-memory elements take up within the cache provider.
|
static final long NO_EXTENDED_STAT_SUPPORT_RETURN
The value returned from getElementCountInMemory()
,
getElementCountOnDisk()
and getSizeInMemory()
for cache providers that do not support such "extended" statistics.
String getRegionName()
long getPutCount()
The number of cache puts into the region since the last Statistics clearing
long getHitCount()
The number of successful cache look-ups against the region since the last Statistics clearing
long getMissCount()
The number of unsuccessful cache look-ups against the region since the last Statistics clearing
long getElementCountInMemory()
The number of elements currently in memory within the cache provider.
This is an optional value contingent upon the underlying cache provider
providing extended stats support via
ExtendedStatisticsSupport
. If the provider
does not support extended stats, NO_EXTENDED_STAT_SUPPORT_RETURN
is returned instead.
long getElementCountOnDisk()
The number of elements currently stored to disk within the cache provider.
This is an optional value contingent upon the underlying cache provider
providing extended stats support via
ExtendedStatisticsSupport
. If the provider
does not support extended stats, NO_EXTENDED_STAT_SUPPORT_RETURN
is returned instead.
long getSizeInMemory()
The size that the in-memory elements take up within the cache provider.
This is an optional value contingent upon the underlying cache provider
providing extended stats support via
ExtendedStatisticsSupport
. If the provider
does not support extended stats, NO_EXTENDED_STAT_SUPPORT_RETURN
is returned instead.
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