org.elasticsearch.index.cache.query

Class QueryCacheStats

java.lang.Object

org.elasticsearch.index.cache.query.QueryCacheStats

All Implemented Interfaces:

Streamable, ToXContent

public class QueryCacheStats
extends Object
implements Streamable, ToXContent

Nested Class Summary

Nested classes/interfaces inherited from interface org.elasticsearch.common.xcontent.ToXContent

ToXContent.DelegatingMapParams, ToXContent.MapParams, ToXContent.Params

Field Summary

Fields inherited from interface org.elasticsearch.common.xcontent.ToXContent

EMPTY_PARAMS

Constructor Summary

Constructors

Constructor and Description
QueryCacheStats()
QueryCacheStats(long ramBytesUsed, long hitCount, long missCount, long cacheCount, long cacheSize)

Method Summary

Methods

Modifier and Type	Method and Description
void	add(QueryCacheStats stats)
long	getCacheCount() The number of DocIdSets that have been cached.
long	getCacheSize() The number of DocIdSets that are in the cache.
long	getEvictions() The number of DocIdSets that have been evicted from the cache.
long	getHitCount() The number of successful lookups in the cache.
ByteSizeValue	getMemorySize()
long	getMemorySizeInBytes()
long	getMissCount() The number of lookups in the cache that failed to retrieve a DocIdSet.
long	getTotalCount() The total number of lookups in the cache.
void	readFrom(StreamInput in)
static QueryCacheStats	readQueryCacheStats(StreamInput in)
XContentBuilder	toXContent(XContentBuilder builder, ToXContent.Params params)
void	writeTo(StreamOutput out)

Methods inherited from class java.lang.Object

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

Constructor Detail

QueryCacheStats

public QueryCacheStats()

QueryCacheStats

public QueryCacheStats(long ramBytesUsed,
               long hitCount,
               long missCount,
               long cacheCount,
               long cacheSize)

Method Detail

add

public void add(QueryCacheStats stats)

getMemorySizeInBytes

public long getMemorySizeInBytes()

getMemorySize

public ByteSizeValue getMemorySize()

getTotalCount

public long getTotalCount()

The total number of lookups in the cache.

getHitCount

public long getHitCount()

The number of successful lookups in the cache.

getMissCount

public long getMissCount()

The number of lookups in the cache that failed to retrieve a DocIdSet.

getCacheCount

public long getCacheCount()

The number of DocIdSets that have been cached.

getCacheSize

public long getCacheSize()

The number of DocIdSets that are in the cache.

getEvictions

public long getEvictions()

The number of DocIdSets that have been evicted from the cache.

readQueryCacheStats

public static QueryCacheStats readQueryCacheStats(StreamInput in)
                                           throws IOException

Throws:

IOException

readFrom

public void readFrom(StreamInput in)
              throws IOException

Specified by:

readFrom in interface Streamable

Throws:

IOException

writeTo

public void writeTo(StreamOutput out)
             throws IOException

Specified by:

writeTo in interface Streamable

Throws:

IOException

toXContent

public XContentBuilder toXContent(XContentBuilder builder,
                         ToXContent.Params params)
                           throws IOException

Specified by:

toXContent in interface ToXContent

Throws:

IOException