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

Class IgniteStatisticsRepository

java.lang.Object

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

public class IgniteStatisticsRepository
extends Object

Statistics repository implementation.

Field Summary

Fields

Modifier and Type	Field and Description
static String	STAT_LOCAL_DATA_VIEW
static String	STAT_LOCAL_DATA_VIEW_DESC
static String	STAT_PART_DATA_VIEW
static String	STAT_PART_DATA_VIEW_DESC

Constructor Summary

Constructors

Constructor and Description
IgniteStatisticsRepository(IgniteStatisticsStore store, GridSystemViewManager sysViewMgr, IgniteStatisticsHelper helper, Function<Class<?>,IgniteLogger> logSupplier) Constructor.

Method Summary

Modifier and Type	Method and Description
static <T extends ObjectStatisticsImpl> T	add(T base, T add) Add new statistics into base one (with overlapping of existing data).
void	addRowsModified(StatisticsKey key, int partId, byte[] changedKey) Try to count modified to specified object and partition.
ObjectStatisticsImpl	aggregatedLocalStatistics(Set<Integer> parts, StatisticsObjectConfiguration cfg) Scan local partitioned statistic and aggregate local statistic for specified statistic object.
void	checkObsolescenceInfo(Map<StatisticsObjectConfiguration,Set<Integer>> cfg) Load or update obsolescence info cache to fit specified cfg.
void	clearLocalPartitionsStatistics(StatisticsKey key, Set<String> colNames) Clear partition statistics for specified object.
void	clearLocalPartitionStatistics(StatisticsKey key, int partId) Clear partition statistics.
void	clearLocalStatistics(StatisticsKey key) Clear local object statistics.
void	clearLocalStatistics(StatisticsKey key, Set<String> colNames) Clear local object statistics.
Collection<ObjectPartitionStatisticsImpl>	getLocalPartitionsStatistics(StatisticsKey key) Get local partition statistics by specified object.
ObjectPartitionStatisticsImpl	getLocalPartitionStatistics(StatisticsKey key, int partId) Get partition statistics.
ObjectStatisticsImpl	getLocalStatistics(StatisticsKey key) Get local statistics.
void	loadObsolescenceInfo(Map<StatisticsObjectConfiguration,Set<Integer>> cfg) Load obsolescence info from local metastorage and cache it.
void	refreshObsolescence(StatisticsKey key, int partId) Refresh statistics obsolescence after partition gathering.
void	removeObsolescenceInfo(StatisticsKey key) Remove statistics obsolescence info by the given key.
void	replaceLocalPartitionStatistics(StatisticsKey key, ObjectPartitionStatisticsImpl statistics) Save specified local partition statistics.
void	saveLocalPartitionsStatistics(StatisticsKey key, Collection<ObjectPartitionStatisticsImpl> statistics) Replace all object statistics with specified ones.
void	saveLocalPartitionStatistics(StatisticsKey key, ObjectPartitionStatisticsImpl statistics) Save specified local partition statistics.
void	saveLocalStatistics(StatisticsKey key, ObjectStatisticsImpl statistics) Save local object statistics.
Map<StatisticsKey,IntMap<ObjectPartitionStatisticsObsolescence>>	saveObsolescenceInfo() Save all modified obsolescence info to local metastorage.
void	start() Start repository.
IgniteStatisticsStore	statisticsStore()
void	stop() Stop repository.
static <T extends ObjectStatisticsImpl> T	subtract(T base, Set<String> cols) Remove specified columns from clone of base ObjectStatistics object.
void	updateObsolescenceInfo(Map<StatisticsObjectConfiguration,Set<Integer>> cfg) Update obsolescence info cache to fit specified cfg.

Methods inherited from class java.lang.Object

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

Field Detail

STAT_PART_DATA_VIEW

public static final String STAT_PART_DATA_VIEW

See Also:

Constant Field Values

STAT_PART_DATA_VIEW_DESC

public static final String STAT_PART_DATA_VIEW_DESC

See Also:

Constant Field Values

STAT_LOCAL_DATA_VIEW

public static final String STAT_LOCAL_DATA_VIEW

See Also:

Constant Field Values

STAT_LOCAL_DATA_VIEW_DESC

public static final String STAT_LOCAL_DATA_VIEW_DESC

See Also:

Constant Field Values

Constructor Detail

IgniteStatisticsRepository

public IgniteStatisticsRepository(IgniteStatisticsStore store,
                                  GridSystemViewManager sysViewMgr,
                                  IgniteStatisticsHelper helper,
                                  Function<Class<?>,IgniteLogger> logSupplier)

Constructor.

Parameters:

store - Ignite statistics store to use.

sysViewMgr - Grid system view manager.

helper - IgniteStatisticsHelper.

logSupplier - Ignite logger supplier to get logger from.

Method Detail

getLocalPartitionsStatistics

public Collection<ObjectPartitionStatisticsImpl> getLocalPartitionsStatistics(StatisticsKey key)

Get local partition statistics by specified object.

Parameters:

key - Object to get statistics by.

Returns:

Collection of partitions statistics.

clearLocalPartitionsStatistics

public void clearLocalPartitionsStatistics(StatisticsKey key,
                                           Set<String> colNames)

Clear partition statistics for specified object.

Parameters:

key - Object to clear statistics by.

colNames - if specified - only statistics by specified columns will be cleared.

saveLocalPartitionStatistics

public void saveLocalPartitionStatistics(StatisticsKey key,
                                         ObjectPartitionStatisticsImpl statistics)

Save specified local partition statistics.

Parameters:

key - Object key.

statistics - Statistics to save.

refreshObsolescence

public void refreshObsolescence(StatisticsKey key,
                                int partId)

Refresh statistics obsolescence after partition gathering.

Parameters:

key - Statistics key.

partId - Partition id.

replaceLocalPartitionStatistics

public void replaceLocalPartitionStatistics(StatisticsKey key,
                                            ObjectPartitionStatisticsImpl statistics)

Save specified local partition statistics.

Parameters:

key - Object key.

statistics - Statistics to save.

saveLocalPartitionsStatistics

public void saveLocalPartitionsStatistics(StatisticsKey key,
                                          Collection<ObjectPartitionStatisticsImpl> statistics)

Replace all object statistics with specified ones.

Parameters:

key - Object key.

statistics - Collection of tables partition statistics.

getLocalPartitionStatistics

public ObjectPartitionStatisticsImpl getLocalPartitionStatistics(StatisticsKey key,
                                                                 int partId)

Get partition statistics.

Parameters:

key - Object key.

partId - Partition id.

Returns:

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

clearLocalPartitionStatistics

public void clearLocalPartitionStatistics(StatisticsKey key,
                                          int partId)

Clear partition statistics.

Parameters:

key - Object key.

partId - Partition id.

saveLocalStatistics

public void saveLocalStatistics(StatisticsKey key,
                                ObjectStatisticsImpl statistics)

Save local object statistics.

Parameters:

key - Object key.

statistics - Statistics to save.

getLocalStatistics

public ObjectStatisticsImpl getLocalStatistics(StatisticsKey key)

Get local statistics.

Parameters:

key - Object key to load statistics by.

Returns:

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

clearLocalStatistics

public void clearLocalStatistics(StatisticsKey key)

Clear local object statistics.

Parameters:

key - Object key to clear local statistics by.

clearLocalStatistics

public void clearLocalStatistics(StatisticsKey key,
                                 Set<String> colNames)

Clear local object statistics.

Parameters:

key - Object key to clear local statistics by.

colNames - Only statistics by specified columns will be cleared.

statisticsStore

public IgniteStatisticsStore statisticsStore()

Returns:

Ignite statistics store.

add

public static <T extends ObjectStatisticsImpl> T add(T base,
                                                     T add)

Add new statistics into base one (with overlapping of existing data).

Type Parameters:

T - Statistics type (partition or object one).

Parameters:

base - Old statistics.

add - Updated statistics.

Returns:

Combined statistics.

subtract

public static <T extends ObjectStatisticsImpl> T subtract(T base,
                                                          Set<String> cols)

Remove specified columns from clone of base ObjectStatistics object.

Parameters:

base - ObjectStatistics to remove columns from.

cols - Columns to remove.

Returns:

Cloned object without specified columns statistics.

aggregatedLocalStatistics

public ObjectStatisticsImpl aggregatedLocalStatistics(Set<Integer> parts,
                                                      StatisticsObjectConfiguration cfg)

Scan local partitioned statistic and aggregate local statistic for specified statistic object.

Parameters:

parts - Partitions numbers to aggregate,

cfg - Statistic configuration to specify statistic object to aggregate.

Returns:

aggregated local statistic.

stop

public void stop()

Stop repository.

start

public void start()

Start repository.

loadObsolescenceInfo

public void loadObsolescenceInfo(Map<StatisticsObjectConfiguration,Set<Integer>> cfg)

Load obsolescence info from local metastorage and cache it. Remove parts, that doesn't match configuration. Create missing partitions info.

Parameters:

cfg - Partitions configuration.

updateObsolescenceInfo

public void updateObsolescenceInfo(Map<StatisticsObjectConfiguration,Set<Integer>> cfg)

Update obsolescence info cache to fit specified cfg.

Parameters:

cfg - Obsolescence configuration.

checkObsolescenceInfo

public void checkObsolescenceInfo(Map<StatisticsObjectConfiguration,Set<Integer>> cfg)

Load or update obsolescence info cache to fit specified cfg.

Parameters:

cfg - Map object statistics configuration to primary partitions set.

addRowsModified

public void addRowsModified(StatisticsKey key,
                            int partId,
                            byte[] changedKey)

Try to count modified to specified object and partition.

Parameters:

key - Statistics key.

partId - Partition id.

changedKey - Changed key bytes.

saveObsolescenceInfo

public Map<StatisticsKey,IntMap<ObjectPartitionStatisticsObsolescence>> saveObsolescenceInfo()

Save all modified obsolescence info to local metastorage.

Returns:

Map with all partitions of objects with dirty partitions.

removeObsolescenceInfo

public void removeObsolescenceInfo(StatisticsKey key)

Remove statistics obsolescence info by the given key.

Parameters:

key - Statistics key to remove obsolescence info by.