Package org.apache.hadoop.ozone.container.metadata

Class WitnessedContainerMetadataStoreImpl

java.lang.Object

org.apache.hadoop.ozone.container.metadata.AbstractRDBStore<WitnessedContainerDBDefinition>

org.apache.hadoop.ozone.container.metadata.WitnessedContainerMetadataStoreImpl

All Implemented Interfaces:

AutoCloseable, DBStoreManager, WitnessedContainerMetadataStore, org.apache.ratis.util.UncheckedAutoCloseable

public final class WitnessedContainerMetadataStoreImpl
extends AbstractRDBStore<WitnessedContainerDBDefinition>
implements WitnessedContainerMetadataStore

Class for interacting with database in the master volume of a datanode.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	WitnessedContainerMetadataStoreImpl.PreviousVersionTables	this will hold old version tables required during upgrade, and these are initialized based on version only.

Method Summary

Modifier and Type	Method	Description
static WitnessedContainerMetadataStore	get(org.apache.hadoop.hdds.conf.ConfigurationSource conf)
org.apache.hadoop.hdds.utils.db.Table<org.apache.hadoop.hdds.scm.container.ContainerID,ContainerCreateInfo>	getContainerCreateInfoTable()	A Table that keeps the containerIds in a datanode.
WitnessedContainerMetadataStoreImpl.PreviousVersionTables	getPreviousVersionTables()
protected org.apache.hadoop.hdds.utils.db.DBStore	initDBStore(org.apache.hadoop.hdds.utils.db.DBStoreBuilder dbStoreBuilder, org.apache.hadoop.hdds.utils.db.managed.ManagedDBOptions options, org.apache.hadoop.hdds.conf.ConfigurationSource config)

Methods inherited from class org.apache.hadoop.ozone.container.metadata.AbstractRDBStore

close, compactDB, flushDB, flushLog, getBatchHandler, getDbDef, getDbProfile, getStore, isClosed, stop

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.hadoop.ozone.container.metadata.DBStoreManager

compactDB, compactionIfNeeded, flushDB, flushLog, getBatchHandler, getStore, isClosed, stop

Methods inherited from interface org.apache.ratis.util.UncheckedAutoCloseable

close

Method Details

get

public static WitnessedContainerMetadataStore get(org.apache.hadoop.hdds.conf.ConfigurationSource conf)
                                           throws IOException

Throws:

IOException

initDBStore

protected org.apache.hadoop.hdds.utils.db.DBStore initDBStore(org.apache.hadoop.hdds.utils.db.DBStoreBuilder dbStoreBuilder,
 org.apache.hadoop.hdds.utils.db.managed.ManagedDBOptions options,
 org.apache.hadoop.hdds.conf.ConfigurationSource config)
                                                       throws org.apache.hadoop.hdds.utils.db.RocksDatabaseException,
org.apache.hadoop.hdds.utils.db.CodecException

Specified by:

initDBStore in class AbstractRDBStore<WitnessedContainerDBDefinition>

Throws:

org.apache.hadoop.hdds.utils.db.RocksDatabaseException

org.apache.hadoop.hdds.utils.db.CodecException

getContainerCreateInfoTable

public org.apache.hadoop.hdds.utils.db.Table<org.apache.hadoop.hdds.scm.container.ContainerID,ContainerCreateInfo> getContainerCreateInfoTable()

Description copied from interface: WitnessedContainerMetadataStore

A Table that keeps the containerIds in a datanode.

Specified by:

getContainerCreateInfoTable in interface WitnessedContainerMetadataStore

Returns:

Table

getPreviousVersionTables

public WitnessedContainerMetadataStoreImpl.PreviousVersionTables getPreviousVersionTables()