Github user aljoscha commented on a diff in the pull request:
https://github.com/apache/flink/pull/4413#discussion_r130075732
--- Diff:
flink-runtime/src/test/java/org/apache/flink/runtime/state/IncrementalKeyedStateHandleTest.java
---
@@ -186,6 +187,77 @@ public void testSharedStateDeRegistration() throws
Exception {
verify(stateHandle2.getMetaStateHandle(),
times(1)).discardState();
}
+ /**
+ * This tests that re-registration of shared state with another
registry works as expected. This simulates a
+ * recovery from a checkpoint, when the checkpoint coordinator creates
a new shared state registry and re-registers
+ * all live checkpoint states.
+ */
+ @Test
+ public void testSharedStateReRegistration() throws Exception {
+
+ SharedStateRegistry stateRegistryA = spy(new
SharedStateRegistry());
+
+ // Create two state handles with overlapping shared state
--- End diff --
Comment is leftover from other test.
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