Myasuka commented on code in PR #20420:
URL: https://github.com/apache/flink/pull/20420#discussion_r935407988
##########
flink-tests/src/test/java/org/apache/flink/test/checkpointing/RescaleCheckpointManuallyITCase.java:
##########
@@ -322,10 +289,14 @@ public void run(SourceContext<Integer> ctx) throws
Exception {
counter++;
}
} else {
- if (terminateAfterEmission) {
- running = false;
+ while (completedCheckpointNum.get() <= 1) {
+ Thread.sleep(50);
+ }
+ if (failAfterEmission) {
+ throw new FlinkRuntimeException(
+ "Make job fail artificially, to retain
completed checkpoint.");
Review Comment:
Why we need to fail the job to get the retained checkpoint?
##########
flink-tests/src/test/java/org/apache/flink/test/checkpointing/RescaleCheckpointManuallyITCase.java:
##########
@@ -150,54 +137,33 @@ public void testCheckpointRescalingKeyedState(boolean
scaleOut) throws Exception
numberKeys,
numberElements2,
numberElements + numberElements2,
- client,
+ miniCluster,
checkpointPath);
}
- private static String runJobAndGetCheckpoint(
+ private String runJobAndGetCheckpoint(
int numberKeys,
int numberElements,
int parallelism,
int maxParallelism,
- ClusterClient<?> client,
- File checkpointDir)
+ MiniCluster miniCluster)
throws Exception {
try {
- Duration timeout = Duration.ofMinutes(5);
- Deadline deadline = Deadline.now().plus(timeout);
-
JobGraph jobGraph =
createJobGraphWithKeyedState(
- parallelism, maxParallelism, numberKeys,
numberElements, false, 100);
- client.submitJob(jobGraph).get();
-
- assertTrue(
- SubtaskIndexFlatMapper.workCompletedLatch.await(
- deadline.timeLeft().toMillis(),
TimeUnit.MILLISECONDS));
-
- // verify the current state
- Set<Tuple2<Integer, Integer>> actualResult =
CollectionSink.getElementsSet();
-
- Set<Tuple2<Integer, Integer>> expectedResult = new HashSet<>();
-
- for (int key = 0; key < numberKeys; key++) {
- int keyGroupIndex =
KeyGroupRangeAssignment.assignToKeyGroup(key, maxParallelism);
- expectedResult.add(
- Tuple2.of(
-
KeyGroupRangeAssignment.computeOperatorIndexForKeyGroup(
- maxParallelism, parallelism,
keyGroupIndex),
- numberElements * key));
- }
-
- assertEquals(expectedResult, actualResult);
-
- // ensure contents of state within SubtaskIndexFlatMapper are all
included
- // in the last checkpoint (refer to FLINK-26882 for more details).
-
cluster.getMiniCluster().triggerCheckpoint(jobGraph.getJobID()).get();
-
- client.cancel(jobGraph.getJobID()).get();
- TestUtils.waitUntilJobCanceled(jobGraph.getJobID(), client);
- return
TestUtils.getMostRecentCompletedCheckpoint(checkpointDir).getAbsolutePath();
+ parallelism,
+ maxParallelism,
+ numberKeys,
+ numberElements,
+ numberElements,
+ true,
+ 100);
+ miniCluster.submitJob(jobGraph).get();
+ miniCluster.requestJobResult(jobGraph.getJobID()).get();
+ // The elements may not all be sent to sink when unaligned
checkpoints enabled(refer to
+ // FLINK-26882 for more details).
Review Comment:
Do we need to change the doc `refer to FLINK-26882 for more details` here?
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