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

Class RocksDBFullRestoreOperation<K>

java.lang.Object

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

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

All Implemented Interfaces:

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

public class RocksDBFullRestoreOperation<K>
extends AbstractRocksDBRestoreOperation<K>

Encapsulates the process of restoring a RocksDB instance from a full 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

RocksDBFullRestoreOperation(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() Restores all key-groups data that is referenced by the passed state handles.

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

RocksDBFullRestoreOperation

public RocksDBFullRestoreOperation(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 IOException,
                                    org.apache.flink.util.StateMigrationException,
                                    org.rocksdb.RocksDBException

Restores all key-groups data that is referenced by the passed state handles.

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:

IOException

org.apache.flink.util.StateMigrationException

org.rocksdb.RocksDBException