dawidwys commented on a change in pull request #16184:
URL: https://github.com/apache/flink/pull/16184#discussion_r668785212
##########
File path:
flink-streaming-java/src/test/java/org/apache/flink/streaming/runtime/tasks/MultipleInputStreamTaskChainedSourcesCheckpointingTest.java
##########
@@ -330,6 +338,64 @@ public void testRpcTriggerCheckpointWithSourceChain()
throws Exception {
}
}
+ @Test
+ public void testSkipExecutionsIfFinishedOnRestoreWithSourceChained()
throws Exception {
+ OperatorID firstSourceOperatorId = new OperatorID();
+ OperatorID secondSourceOperatorId = new OperatorID();
+ OperatorID nonSourceOperatorId = new OperatorID();
+
+ try (StreamTaskMailboxTestHarness<String> testHarness =
+ new StreamTaskMailboxTestHarnessBuilder<>(
+ MultipleInputStreamTask::new,
BasicTypeInfo.STRING_TYPE_INFO)
+ .modifyStreamConfig(config ->
config.setCheckpointingEnabled(true))
+
.modifyExecutionConfig(ExecutionConfig::enableObjectReuse)
+ .addInput(BasicTypeInfo.INT_TYPE_INFO)
+ .addSourceInput(
+ firstSourceOperatorId,
+ new SourceOperatorFactory<>(
+ new
SourceOperatorStreamTaskTest.LifeCycleMonitorSource(
+ Boundedness.BOUNDED, 1),
Review comment:
nit: as a safety precaution let's use the `CONTINUOUS_UNBOUNDED` here,
theoretically for bounded sources we might not have checkpointing
I know at this point we will, but let's do it for my peace of mind ;)
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