azagrebin commented on a change in pull request #7288: [FLINK-9702] Improvement
in (de)serialization of keys and values for RocksDB state
URL: https://github.com/apache/flink/pull/7288#discussion_r241709422
##########
File path:
flink-state-backends/flink-statebackend-rocksdb/src/main/java/org/apache/flink/contrib/streaming/state/AbstractRocksDBState.java
##########
@@ -100,26 +100,23 @@ protected AbstractRocksDBState(
this.dataOutputView = new DataOutputSerializer(128);
this.dataInputView = new DataInputDeserializer();
- this.ambiguousKeyPossible =
-
RocksDBKeySerializationUtils.isAmbiguousKeyPossible(backend.getKeySerializer(),
namespaceSerializer);
+ this.sharedKeyNamespaceSerializer =
backend.getSharedRocksKeyBuilder();
}
//
------------------------------------------------------------------------
@Override
public void clear() {
try {
- writeCurrentKeyWithGroupAndNamespace();
- byte[] key = dataOutputView.getCopyOfBuffer();
- backend.db.delete(columnFamily, writeOptions, key);
- } catch (IOException | RocksDBException e) {
+ backend.db.delete(columnFamily, writeOptions,
serializeCurrentKeyWithGroupAndNamespace());
+ } catch (RocksDBException e) {
throw new FlinkRuntimeException("Error while removing
entry from RocksDB", e);
}
}
@Override
public void setCurrentNamespace(N namespace) {
- this.currentNamespace = Preconditions.checkNotNull(namespace,
"Namespace");
+ this.currentNamespace = namespace;
Review comment:
Allowing `null` namespace or just missing @Nonnull for function arg?
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