org.apache.flink.contrib.streaming.state.restore

Class RocksDBIncrementalRestoreOperation<K>

java.lang.Object

org.apache.flink.contrib.streaming.state.restore.AbstractRocksDBRestoreOperation<K>

org.apache.flink.contrib.streaming.state.restore.RocksDBIncrementalRestoreOperation<K>

All Implemented Interfaces:

AutoCloseable, RocksDBRestoreOperation, org.apache.flink.runtime.state.RestoreOperation<RocksDBRestoreResult>

public class RocksDBIncrementalRestoreOperation<K>
extends AbstractRocksDBRestoreOperation<K>

Encapsulates the process of restoring a RocksDB instance from an incremental snapshot.

Field Summary

Fields inherited from class org.apache.flink.contrib.streaming.state.restore.AbstractRocksDBRestoreOperation

cancelStreamRegistry, columnFamilyDescriptors, columnFamilyHandles, columnFamilyOptionsFactory, db, dbOptions, dbPath, defaultColumnFamilyHandle, instanceBasePath, instanceRocksDBPath, isKeySerializerCompatibilityChecked, keyGroupPrefixBytes, keyGroupRange, keySerializerProvider, kvStateInformation, metricGroup, nativeMetricMonitor, nativeMetricOptions, numberOfTransferringThreads, restoreStateHandles, ttlCompactFiltersManager, userCodeClassLoader

Constructor Summary

Constructors

Constructor and Description

RocksDBIncrementalRestoreOperation(String operatorIdentifier, org.apache.flink.runtime.state.KeyGroupRange keyGroupRange, int keyGroupPrefixBytes, int numberOfTransferringThreads, org.apache.flink.core.fs.CloseableRegistry cancelStreamRegistry, ClassLoader userCodeClassLoader, Map<String,RocksDBKeyedStateBackend.RocksDbKvStateInfo> kvStateInformation, org.apache.flink.runtime.state.StateSerializerProvider<K> keySerializerProvider, File instanceBasePath, File instanceRocksDBPath, org.rocksdb.DBOptions dbOptions, java.util.function.Function<String,org.rocksdb.ColumnFamilyOptions> columnFamilyOptionsFactory, RocksDBNativeMetricOptions nativeMetricOptions, org.apache.flink.metrics.MetricGroup metricGroup, Collection<org.apache.flink.runtime.state.KeyedStateHandle> restoreStateHandles, RocksDbTtlCompactFiltersManager ttlCompactFiltersManager, long writeBatchSize)

Method Summary

Modifier and Type	Method and Description
RocksDBRestoreResult	restore() Root method that branches for different implementations of KeyedStateHandle.

Methods inherited from class org.apache.flink.contrib.streaming.state.restore.AbstractRocksDBRestoreOperation

close, getDb

Methods inherited from class java.lang.Object

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

Constructor Detail

RocksDBIncrementalRestoreOperation

public RocksDBIncrementalRestoreOperation(String operatorIdentifier,
                                          org.apache.flink.runtime.state.KeyGroupRange keyGroupRange,
                                          int keyGroupPrefixBytes,
                                          int numberOfTransferringThreads,
                                          org.apache.flink.core.fs.CloseableRegistry cancelStreamRegistry,
                                          ClassLoader userCodeClassLoader,
                                          Map<String,RocksDBKeyedStateBackend.RocksDbKvStateInfo> kvStateInformation,
                                          org.apache.flink.runtime.state.StateSerializerProvider<K> keySerializerProvider,
                                          File instanceBasePath,
                                          File instanceRocksDBPath,
                                          org.rocksdb.DBOptions dbOptions,
                                          java.util.function.Function<String,org.rocksdb.ColumnFamilyOptions> columnFamilyOptionsFactory,
                                          RocksDBNativeMetricOptions nativeMetricOptions,
                                          org.apache.flink.metrics.MetricGroup metricGroup,
                                          @Nonnull
                                          Collection<org.apache.flink.runtime.state.KeyedStateHandle> restoreStateHandles,
                                          @Nonnull
                                          RocksDbTtlCompactFiltersManager ttlCompactFiltersManager,
                                          @Nonnegative
                                          long writeBatchSize)

Method Detail

restore

public RocksDBRestoreResult restore()
                             throws Exception

Root method that branches for different implementations of KeyedStateHandle.

Specified by:

restore in interface RocksDBRestoreOperation

Specified by:

restore in interface org.apache.flink.runtime.state.RestoreOperation<RocksDBRestoreResult>

Specified by:

restore in class AbstractRocksDBRestoreOperation<K>

Throws:

Exception