Github user tillrohrmann commented on a diff in the pull request:
https://github.com/apache/flink/pull/3198#discussion_r97540391
--- Diff:
flink-contrib/flink-statebackend-rocksdb/src/main/java/org/apache/flink/contrib/streaming/state/RocksDBKeyedStateBackend.java
---
@@ -245,14 +235,15 @@ public int getKeyGroupPrefixBytes() {
// hold the db lock while operation on the db to guard us
against async db disposal
synchronized (asyncSnapshotLock) {
- if (kvStateInformation.isEmpty()) {
- LOG.info("Asynchronous RocksDB snapshot
performed on empty keyed state at " + timestamp +
- " . Returning null.");
+ if (db != null) {
- return new DoneFuture<>(null);
- }
+ if (kvStateInformation.isEmpty()) {
+ LOG.info("Asynchronous RocksDB snapshot
performed on empty keyed state at " + timestamp +
--- End diff --
+1
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