Package com.linkedin.davinci.stats

Class AbstractVeniceAggVersionedStats<STATS,STATS_REPORTER extends AbstractVeniceStatsReporter<STATS>>

java.lang.Object

com.linkedin.davinci.stats.AbstractVeniceAggVersionedStats<STATS,STATS_REPORTER>

All Implemented Interfaces:

StoreDataChangedListener

Direct Known Subclasses:

AggVersionedBlobTransferStats, AggVersionedDIVStats, AggVersionedIngestionStats, AggVersionedStorageEngineStats, HeartbeatVersionedStats

public abstract class AbstractVeniceAggVersionedStats<STATS,STATS_REPORTER extends AbstractVeniceStatsReporter<STATS>>
extends Object
implements StoreDataChangedListener

Field Summary

Fields

Modifier and Type	Field	Description
protected final ReadOnlyStoreRepository	metadataRepository

Constructor Summary

Constructors

Constructor	Description
AbstractVeniceAggVersionedStats(io.tehuti.metrics.MetricsRepository metricsRepository, ReadOnlyStoreRepository metadataRepository, Supplier<STATS> statsInitiator, StatsSupplier<STATS_REPORTER> reporterSupplier, boolean unregisterMetricForDeletedStoreEnabled)

Method Summary

Modifier and Type	Method	Description
protected VeniceVersionedStats<STATS,STATS_REPORTER>	addStore(String storeName)
protected int	getCurrentVersion(String storeName)	return Store.NON_EXISTING_VERSION if current version doesn't exist.
protected int	getFutureVersion(String storeName)	return Store.NON_EXISTING_VERSION if future version doesn't exist.
protected STATS	getStats(String storeName, int version)
protected STATS	getTotalStats(String storeName)
void	handleStoreChanged(Store store)
void	handleStoreCreated(Store store)	Do NOT try to acquire the lock of store repository again in the implementation, otherwise a dead lock issue will happen.
void	handleStoreDeleted(String storeName)
boolean	isFutureVersion(String storeName, int version)
void	loadAllStats()
protected void	recordVersionedAndTotalStat(String storeName, int version, Consumer<STATS> function)
protected void	registerConditionalStats(String storeName)
protected void	updateStatsVersionInfo(String storeName, List<Version> existingVersions, int newCurrentVersion)
protected void	updateTotalStats(String storeName)	Some versioned stats might always increasing; in this case, the value in the total stats should be updated with the aggregated values across the new version list.

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.linkedin.venice.meta.StoreDataChangedListener

handleStoreDeleted

Field Details

metadataRepository

protected final ReadOnlyStoreRepository metadataRepository

Constructor Details

AbstractVeniceAggVersionedStats

public AbstractVeniceAggVersionedStats(io.tehuti.metrics.MetricsRepository metricsRepository,
 ReadOnlyStoreRepository metadataRepository,
 Supplier<STATS> statsInitiator,
 StatsSupplier<STATS_REPORTER> reporterSupplier,
 boolean unregisterMetricForDeletedStoreEnabled)

Method Details

loadAllStats

public void loadAllStats()

recordVersionedAndTotalStat

protected void recordVersionedAndTotalStat(String storeName,
 int version,
 Consumer<STATS> function)

getTotalStats

protected STATS getTotalStats(String storeName)

getStats

protected STATS getStats(String storeName,
 int version)

registerConditionalStats

protected void registerConditionalStats(String storeName)

addStore

protected VeniceVersionedStats<STATS,STATS_REPORTER> addStore(String storeName)

updateStatsVersionInfo

protected void updateStatsVersionInfo(String storeName,
 List<Version> existingVersions,
 int newCurrentVersion)

handleStoreCreated

public void handleStoreCreated(Store store)

Description copied from interface: StoreDataChangedListener

Do NOT try to acquire the lock of store repository again in the implementation, otherwise a dead lock issue will happen.

Specified by:

handleStoreCreated in interface StoreDataChangedListener

handleStoreDeleted

public void handleStoreDeleted(String storeName)

Specified by:

handleStoreDeleted in interface StoreDataChangedListener

handleStoreChanged

public void handleStoreChanged(Store store)

Specified by:

handleStoreChanged in interface StoreDataChangedListener

isFutureVersion

public boolean isFutureVersion(String storeName,
 int version)

getFutureVersion

protected int getFutureVersion(String storeName)

return Store.NON_EXISTING_VERSION if future version doesn't exist.

getCurrentVersion

protected int getCurrentVersion(String storeName)

return Store.NON_EXISTING_VERSION if current version doesn't exist.

updateTotalStats

protected void updateTotalStats(String storeName)

Some versioned stats might always increasing; in this case, the value in the total stats should be updated with the aggregated values across the new version list.