org.apache.ignite.internal.processors.query.stat

Interface IgniteStatisticsStore

All Known Implementing Classes:

IgniteStatisticsDummyStoreImpl, IgniteStatisticsInMemoryStoreImpl, IgniteStatisticsPersistenceStoreImpl

public interface IgniteStatisticsStore

Statistics store interface. Wrap physical storage (in memory or local metastore) to give easy access to statistics.

Method Summary

Modifier and Type	Method and Description
void	clearAllStatistics() Clear statistics of any type for any objects;
void	clearLocalPartitionsStatistics(StatisticsKey key) Clear partition statistics for specified object.
void	clearLocalPartitionsStatistics(StatisticsKey key, Collection<Integer> partIds) Clear partitions statistics.
void	clearLocalPartitionStatistics(StatisticsKey key, int partId) Clear partition statistics.
void	clearObsolescenceInfo(StatisticsKey key, Collection<Integer> partIds) Remove obsolescence info for the given key and partitions (if specified).
Map<StatisticsKey,Collection<ObjectPartitionStatisticsImpl>>	getAllLocalPartitionsStatistics(String schema) Get all local partition statistics.
Collection<ObjectPartitionStatisticsImpl>	getLocalPartitionsStatistics(StatisticsKey key) Get local partition statistics by specified object.
ObjectPartitionStatisticsImpl	getLocalPartitionStatistics(StatisticsKey key, int partId) Get partition statistics.
Map<StatisticsKey,IntMap<ObjectPartitionStatisticsObsolescence>>	loadAllObsolescence() Load all obsolescence info from store.
Collection<Integer>	loadLocalPartitionMap(StatisticsKey key) Load partitions map by key.
void	replaceLocalPartitionsStatistics(StatisticsKey key, Collection<ObjectPartitionStatisticsImpl> statistics) Replace all tables partition statistics with specified ones.
void	saveLocalPartitionStatistics(StatisticsKey key, ObjectPartitionStatisticsImpl statistics) Save partition statistics.
void	saveObsolescenceInfo(Map<StatisticsKey,IntMap<ObjectPartitionStatisticsObsolescence>> obsolescence)
void	saveObsolescenceInfo(StatisticsKey key, int partId, ObjectPartitionStatisticsObsolescence partObs) Save obsolescence info.

Method Detail

clearAllStatistics

void clearAllStatistics()

Clear statistics of any type for any objects;

getAllLocalPartitionsStatistics

Map<StatisticsKey,Collection<ObjectPartitionStatisticsImpl>> getAllLocalPartitionsStatistics(String schema)

Get all local partition statistics.

Parameters:

schema - Schema name, if null - returl local partitions statistics for all schemas.

Returns:

Map with all local partitions statistics.

replaceLocalPartitionsStatistics

void replaceLocalPartitionsStatistics(StatisticsKey key,
                                      Collection<ObjectPartitionStatisticsImpl> statistics)

Replace all tables partition statistics with specified ones.

Parameters:

key - Statistics key to replace statistics by.

statistics - Collection of partition level statistics.

getLocalPartitionsStatistics

Collection<ObjectPartitionStatisticsImpl> getLocalPartitionsStatistics(StatisticsKey key)

Get local partition statistics by specified object.

Parameters:

key - Key to get statistics by.

Returns:

Collection of partitions statistics.

clearLocalPartitionsStatistics

void clearLocalPartitionsStatistics(StatisticsKey key)

Clear partition statistics for specified object.

Parameters:

key - Key to clear statistics by.

getLocalPartitionStatistics

ObjectPartitionStatisticsImpl getLocalPartitionStatistics(StatisticsKey key,
                                                          int partId)

Get partition statistics.

Parameters:

key - Key to get partition statistics by.

partId - Partition id.

Returns:

Object partition statistics or null if there are no statistics collected for such partition.

clearLocalPartitionStatistics

void clearLocalPartitionStatistics(StatisticsKey key,
                                   int partId)

Clear partition statistics.

Parameters:

key - Object which statistics needs to be cleaned.

partId - Partition id.

clearLocalPartitionsStatistics

void clearLocalPartitionsStatistics(StatisticsKey key,
                                    Collection<Integer> partIds)

Clear partitions statistics.

Parameters:

key - Object which statistics need to be cleaned.

partIds - Collection of partition ids.

saveLocalPartitionStatistics

void saveLocalPartitionStatistics(StatisticsKey key,
                                  ObjectPartitionStatisticsImpl statistics)

Save partition statistics.

Parameters:

key - Object which partition statistics belongs to.

statistics - Statistics to save.

saveObsolescenceInfo

void saveObsolescenceInfo(Map<StatisticsKey,IntMap<ObjectPartitionStatisticsObsolescence>> obsolescence)

Parameters:

obsolescence - Statistics key to partId to obsolescence info map to save.

saveObsolescenceInfo

void saveObsolescenceInfo(StatisticsKey key,
                          int partId,
                          ObjectPartitionStatisticsObsolescence partObs)

Save obsolescence info.

Parameters:

key - Statistics key which it is belongs to.

partId - Partition id.

partObs - Info to save.

clearObsolescenceInfo

void clearObsolescenceInfo(StatisticsKey key,
                           Collection<Integer> partIds)

Remove obsolescence info for the given key and partitions (if specified).

Parameters:

key - Statistics key to remove obsolescense info by.

partIds - Partition ids, if null - remove all partitions info for specified key.

loadAllObsolescence

Map<StatisticsKey,IntMap<ObjectPartitionStatisticsObsolescence>> loadAllObsolescence()

Load all obsolescence info from store.

Returns:

StatisticsKey to partitionId to obsolescence info map.

loadLocalPartitionMap

Collection<Integer> loadLocalPartitionMap(StatisticsKey key)

Load partitions map by key.

Parameters:

key - Staistics key to load map by.

Returns:

Collection of all partition ids for which there are local partitions statistics.