use of org.apache.flink.runtime.state.heap.InternalKeyContextImpl in project flink by apache.
the class RocksDBKeyedStateBackendBuilder method build.
@Override
public RocksDBKeyedStateBackend<K> build() throws BackendBuildingException {
RocksDBWriteBatchWrapper writeBatchWrapper = null;
ColumnFamilyHandle defaultColumnFamilyHandle = null;
RocksDBNativeMetricMonitor nativeMetricMonitor = null;
CloseableRegistry cancelStreamRegistryForBackend = new CloseableRegistry();
LinkedHashMap<String, RocksDBKeyedStateBackend.RocksDbKvStateInfo> kvStateInformation = new LinkedHashMap<>();
LinkedHashMap<String, HeapPriorityQueueSnapshotRestoreWrapper<?>> registeredPQStates = new LinkedHashMap<>();
RocksDB db = null;
RocksDBRestoreOperation restoreOperation = null;
RocksDbTtlCompactFiltersManager ttlCompactFiltersManager = new RocksDbTtlCompactFiltersManager(ttlTimeProvider);
ResourceGuard rocksDBResourceGuard = new ResourceGuard();
RocksDBSnapshotStrategyBase<K, ?> checkpointStrategy = null;
PriorityQueueSetFactory priorityQueueFactory;
SerializedCompositeKeyBuilder<K> sharedRocksKeyBuilder;
// Number of bytes required to prefix the key groups.
int keyGroupPrefixBytes = CompositeKeySerializationUtils.computeRequiredBytesInKeyGroupPrefix(numberOfKeyGroups);
try {
// Variables for snapshot strategy when incremental checkpoint is enabled
UUID backendUID = UUID.randomUUID();
SortedMap<Long, Map<StateHandleID, StreamStateHandle>> materializedSstFiles = new TreeMap<>();
long lastCompletedCheckpointId = -1L;
if (injectedTestDB != null) {
db = injectedTestDB;
defaultColumnFamilyHandle = injectedDefaultColumnFamilyHandle;
nativeMetricMonitor = nativeMetricOptions.isEnabled() ? new RocksDBNativeMetricMonitor(nativeMetricOptions, metricGroup, db) : null;
} else {
prepareDirectories();
restoreOperation = getRocksDBRestoreOperation(keyGroupPrefixBytes, cancelStreamRegistry, kvStateInformation, registeredPQStates, ttlCompactFiltersManager);
RocksDBRestoreResult restoreResult = restoreOperation.restore();
db = restoreResult.getDb();
defaultColumnFamilyHandle = restoreResult.getDefaultColumnFamilyHandle();
nativeMetricMonitor = restoreResult.getNativeMetricMonitor();
if (restoreOperation instanceof RocksDBIncrementalRestoreOperation) {
backendUID = restoreResult.getBackendUID();
materializedSstFiles = restoreResult.getRestoredSstFiles();
lastCompletedCheckpointId = restoreResult.getLastCompletedCheckpointId();
}
}
writeBatchWrapper = new RocksDBWriteBatchWrapper(db, optionsContainer.getWriteOptions(), writeBatchSize);
// it is important that we only create the key builder after the restore, and not
// before;
// restore operations may reconfigure the key serializer, so accessing the key
// serializer
// only now we can be certain that the key serializer used in the builder is final.
sharedRocksKeyBuilder = new SerializedCompositeKeyBuilder<>(keySerializerProvider.currentSchemaSerializer(), keyGroupPrefixBytes, 32);
// init snapshot strategy after db is assured to be initialized
checkpointStrategy = initializeSavepointAndCheckpointStrategies(cancelStreamRegistryForBackend, rocksDBResourceGuard, kvStateInformation, registeredPQStates, keyGroupPrefixBytes, db, backendUID, materializedSstFiles, lastCompletedCheckpointId);
// init priority queue factory
priorityQueueFactory = initPriorityQueueFactory(keyGroupPrefixBytes, kvStateInformation, db, writeBatchWrapper, nativeMetricMonitor);
} catch (Throwable e) {
// Do clean up
List<ColumnFamilyOptions> columnFamilyOptions = new ArrayList<>(kvStateInformation.values().size());
IOUtils.closeQuietly(cancelStreamRegistryForBackend);
IOUtils.closeQuietly(writeBatchWrapper);
RocksDBOperationUtils.addColumnFamilyOptionsToCloseLater(columnFamilyOptions, defaultColumnFamilyHandle);
IOUtils.closeQuietly(defaultColumnFamilyHandle);
IOUtils.closeQuietly(nativeMetricMonitor);
for (RocksDBKeyedStateBackend.RocksDbKvStateInfo kvStateInfo : kvStateInformation.values()) {
RocksDBOperationUtils.addColumnFamilyOptionsToCloseLater(columnFamilyOptions, kvStateInfo.columnFamilyHandle);
IOUtils.closeQuietly(kvStateInfo.columnFamilyHandle);
}
IOUtils.closeQuietly(db);
// it's possible that db has been initialized but later restore steps failed
IOUtils.closeQuietly(restoreOperation);
IOUtils.closeAllQuietly(columnFamilyOptions);
IOUtils.closeQuietly(optionsContainer);
ttlCompactFiltersManager.disposeAndClearRegisteredCompactionFactories();
kvStateInformation.clear();
IOUtils.closeQuietly(checkpointStrategy);
try {
FileUtils.deleteDirectory(instanceBasePath);
} catch (Exception ex) {
logger.warn("Failed to delete base path for RocksDB: " + instanceBasePath, ex);
}
// Log and rethrow
if (e instanceof BackendBuildingException) {
throw (BackendBuildingException) e;
} else {
String errMsg = "Caught unexpected exception.";
logger.error(errMsg, e);
throw new BackendBuildingException(errMsg, e);
}
}
InternalKeyContext<K> keyContext = new InternalKeyContextImpl<>(keyGroupRange, numberOfKeyGroups);
logger.info("Finished building RocksDB keyed state-backend at {}.", instanceBasePath);
return new RocksDBKeyedStateBackend<>(this.userCodeClassLoader, this.instanceBasePath, this.optionsContainer, columnFamilyOptionsFactory, this.kvStateRegistry, this.keySerializerProvider.currentSchemaSerializer(), this.executionConfig, this.ttlTimeProvider, latencyTrackingStateConfig, db, kvStateInformation, registeredPQStates, keyGroupPrefixBytes, cancelStreamRegistryForBackend, this.keyGroupCompressionDecorator, rocksDBResourceGuard, checkpointStrategy, writeBatchWrapper, defaultColumnFamilyHandle, nativeMetricMonitor, sharedRocksKeyBuilder, priorityQueueFactory, ttlCompactFiltersManager, keyContext, writeBatchSize);
}
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