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

Class IgniteStatisticsConfigurationManager

java.lang.Object

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

All Implemented Interfaces:

IgniteChangeGlobalStateSupport

public class IgniteStatisticsConfigurationManager
extends Object
implements IgniteChangeGlobalStateSupport

Holds statistic configuration objects at the distributed metastore and match local statistics with target statistic configuration.

Constructor Summary

Constructors

Constructor and Description
IgniteStatisticsConfigurationManager(SchemaManager schemaMgr, GridInternalSubscriptionProcessor subscriptionProcessor, GridSystemViewManager sysViewMgr, GridClusterStateProcessor cluster, GridCachePartitionExchangeManager exchange, IgniteStatisticsRepository repo, StatisticsGatherer gatherer, IgniteThreadPoolExecutor mgmtPool, Function<Class<?>,IgniteLogger> logSupplier)

Method Summary

Modifier and Type	Method and Description
StatisticsObjectConfiguration	config(StatisticsKey key) Read statistics object configuration by key.
void	dropAll() Drop all local statistics on the cluster.
void	dropStatistics(List<StatisticsTarget> targets, boolean validate) Drop local statistic for specified database objects on the cluster.
void	gatherLocalStatistics(StatisticsObjectConfiguration cfg, GridH2Table tbl, Set<Integer> partsToAggregate, Set<Integer> partsToCollect, Map<String,StatisticsColumnConfiguration> colsToCollect) Gather local statistics for specified object and partitions.
Collection<StatisticsObjectConfiguration>	getAllConfig() Get statistics configurations for all objects.
void	onActivate(GridKernalContext kctx)
void	onDeActivate(GridKernalContext kctx)
void	refreshStatistics(List<StatisticsTarget> targets) Refresh local statistic for specified database objects on the cluster.
void	start() Start tracking configuration changes and do initial loading.
void	stop() Stop tracking configuration changes.
void	updateStatistics(StatisticsObjectConfiguration... targets) Update local statistic for specified database objects on the cluster.

Methods inherited from class java.lang.Object

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

Constructor Detail

IgniteStatisticsConfigurationManager

public IgniteStatisticsConfigurationManager(SchemaManager schemaMgr,
                                            GridInternalSubscriptionProcessor subscriptionProcessor,
                                            GridSystemViewManager sysViewMgr,
                                            GridClusterStateProcessor cluster,
                                            GridCachePartitionExchangeManager exchange,
                                            IgniteStatisticsRepository repo,
                                            StatisticsGatherer gatherer,
                                            IgniteThreadPoolExecutor mgmtPool,
                                            Function<Class<?>,IgniteLogger> logSupplier)

Method Detail

getAllConfig

public Collection<StatisticsObjectConfiguration> getAllConfig()
                                                       throws IgniteCheckedException

Get statistics configurations for all objects.

Returns:

Collection of all statistics configuration.

Throws:

IgniteCheckedException - In case of error.

start

public void start()

Start tracking configuration changes and do initial loading.

stop

public void stop()

Stop tracking configuration changes.

updateStatistics

public void updateStatistics(StatisticsObjectConfiguration... targets)

Update local statistic for specified database objects on the cluster. Each node will scan local primary partitions to collect and update local statistic.

Parameters:

targets - DB objects to statistics update.

dropStatistics

public void dropStatistics(List<StatisticsTarget> targets,
                           boolean validate)

Drop local statistic for specified database objects on the cluster. Remove local aggregated and partitioned statistics that are stored at the local metastorage.

Parameters:

targets - DB objects to update statistics by.

validate - if true - validate statistics existence, otherwise - just try to remove.

dropAll

public void dropAll()

Drop all local statistics on the cluster.

refreshStatistics

public void refreshStatistics(List<StatisticsTarget> targets)

Refresh local statistic for specified database objects on the cluster.

Parameters:

targets - DB objects to statistics update.

gatherLocalStatistics

public void gatherLocalStatistics(StatisticsObjectConfiguration cfg,
                                  GridH2Table tbl,
                                  Set<Integer> partsToAggregate,
                                  Set<Integer> partsToCollect,
                                  Map<String,StatisticsColumnConfiguration> colsToCollect)

Gather local statistics for specified object and partitions.

Parameters:

cfg - Statistics object configuration.

tbl - Table.

partsToAggregate - Set of partition ids to aggregate.

partsToCollect - Set of partition ids to gather statistics from.

colsToCollect - If specified - collect statistics only for this columns, otherwise - collect to all columns from object configuration.

config

public StatisticsObjectConfiguration config(StatisticsKey key)
                                     throws IgniteCheckedException

Read statistics object configuration by key.

Parameters:

key - Statistics key to read configuration by.

Returns:

Statistics object configuration of null if there are no such configuration.

Throws:

IgniteCheckedException - In case of errors.

onActivate

public void onActivate(GridKernalContext kctx)
                throws IgniteCheckedException

Specified by:

onActivate in interface IgniteChangeGlobalStateSupport

Throws:

IgniteCheckedException

onDeActivate

public void onDeActivate(GridKernalContext kctx)

Specified by:

onDeActivate in interface IgniteChangeGlobalStateSupport