curcur commented on a change in pull request #14943:
URL: https://github.com/apache/flink/pull/14943#discussion_r592283761
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/state/CheckpointStorageLoader.java
##########
@@ -185,16 +186,21 @@ public static CheckpointStorage load(
CheckpointingOptions.SAVEPOINT_DIRECTORY,
defaultSavepointDirectory.toString());
}
- // Legacy state backends always take precedence
- // for backwards compatibility.
- if (configuredStateBackend instanceof CheckpointStorage) {
+ // Legacy state backends always take precedence for backwards
compatibility.
+ StateBackend rootStateBackend =
+ (configuredStateBackend instanceof DelegatingStateBackend)
+ ? ((DelegatingStateBackend) configuredStateBackend)
+ .getDelegatedStateBackend()
+ : configuredStateBackend;
+
+ if (rootStateBackend instanceof CheckpointStorage) {
Review comment:
Maybe we can separate this to a different PR? I think this should be a
follow-up of
"FLINK-19463 Disentangle StateBackends from Checkpointing"
and find all places of `if (rootStateBackend instanceof CheckpointStorage)`?
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