GJL commented on a change in pull request #9860: [FLINK-14331][runtime] Reset
vertices right after they transition to terminated states
URL: https://github.com/apache/flink/pull/9860#discussion_r333521037
##########
File path:
flink-runtime/src/test/java/org/apache/flink/runtime/scheduler/DefaultSchedulerTest.java
##########
@@ -254,6 +262,58 @@ public void failJobIfNotEnoughResources() throws
Exception {
"Could not allocate the required slot within
slot request timeout.").isPresent());
}
+ @Test
+ public void vertexIsResetBeforeRestarted() throws Exception {
+ final JobGraph jobGraph = singleNonParallelJobVertexJobGraph();
+
+ final TestSchedulingStrategy.Factory schedulingStrategyFactory
= new TestSchedulingStrategy.Factory();
+ final DefaultScheduler scheduler = createScheduler(jobGraph,
schedulingStrategyFactory);
+ final TestSchedulingStrategy schedulingStrategy =
schedulingStrategyFactory.getLastCreatedSchedulingStrategy();
+ final SchedulingTopology topology =
schedulingStrategy.getSchedulingTopology();
+
+ startScheduling(scheduler);
+
+ final SchedulingExecutionVertex vertex =
Iterables.getOnlyElement(topology.getVertices());
+ final ExecutionAttemptID attemptId =
scheduler.getExecutionVertex(vertex.getId()).getCurrentExecutionAttempt().getAttemptId();
+
+
schedulingStrategy.schedule(Collections.singleton(vertex.getId()));
+
+ scheduler.updateTaskExecutionState(new
TaskExecutionState(jobGraph.getJobID(), attemptId, ExecutionState.FAILED));
+
+ taskRestartExecutor.triggerScheduledTasks();
+
+ Set<ExecutionVertexID> verticesToRestart =
schedulingStrategy.getReceivedVerticesToRestart();
+ assertEquals(1, verticesToRestart.size());
+ assertEquals(ExecutionState.CREATED,
topology.getVertexOrThrow(verticesToRestart.iterator().next()).getState());
+ }
+
+ @Test
+ public void scheduleOnlyIfVertexIsCreated() throws Exception {
+ final JobGraph jobGraph = singleNonParallelJobVertexJobGraph();
+
+ final TestSchedulingStrategy.Factory schedulingStrategyFactory
= new TestSchedulingStrategy.Factory();
+ final DefaultScheduler scheduler = createScheduler(jobGraph,
schedulingStrategyFactory);
+ final TestSchedulingStrategy schedulingStrategy =
schedulingStrategyFactory.getLastCreatedSchedulingStrategy();
+ final SchedulingTopology topology =
schedulingStrategy.getSchedulingTopology();
+
+ startScheduling(scheduler);
+
+ final SchedulingExecutionVertex vertex =
Iterables.getOnlyElement(topology.getVertices());
+
+ // The first time scheduling of a vertex will result in one
deployment
+
schedulingStrategy.schedule(Collections.singleton(vertex.getId()));
+ testTaskManagerGateway.getDeployedExecutionVertices(1,
TIMEOUT_MS);
+
+ // The scheduling of a non-CREATED vertex will result in no
deployment
+
schedulingStrategy.schedule(Collections.singleton(vertex.getId()));
+ try {
+ testTaskManagerGateway.getDeployedExecutionVertices(1,
TIMEOUT_MS);
Review comment:
It's probably better to use the changes from #9872 later
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