tillrohrmann commented on a change in pull request #15071:
URL: https://github.com/apache/flink/pull/15071#discussion_r586411150
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File path:
flink-runtime/src/main/java/org/apache/flink/runtime/scheduler/adaptive/AdaptiveScheduler.java
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@@ -248,9 +250,24 @@ public AdaptiveScheduler(
declarativeSlotPool::reserveFreeSlot,
declarativeSlotPool::freeReservedSlot);
- for (JobVertex vertex : jobGraph.getVertices()) {
- if (vertex.getParallelism() ==
ExecutionConfig.PARALLELISM_DEFAULT) {
- vertex.setParallelism(1);
+ if (configuration.get(JobManagerOptions.SCHEDULER_MODE)
+ == SchedulerExecutionMode.REACTIVE) {
+ LOG.info("Modifying job parallelism for running in reactive
mode.");
+ for (JobVertex vertex : jobGraph.getVertices()) {
+ if (vertex.getMaxParallelism() ==
JobVertex.MAX_PARALLELISM_DEFAULT) {
+
vertex.setParallelism(Transformation.UPPER_BOUND_MAX_PARALLELISM);
+
vertex.setMaxParallelism(Transformation.UPPER_BOUND_MAX_PARALLELISM);
+ } else {
+ vertex.setParallelism(vertex.getMaxParallelism());
+ }
+ }
+ } else {
+ // non-reactive mode (test execution with adaptive scheduler):
ensure parallelism is set
+ // for all vertices.
+ for (JobVertex vertex : jobGraph.getVertices()) {
+ if (vertex.getParallelism() ==
ExecutionConfig.PARALLELISM_DEFAULT) {
+ vertex.setParallelism(1);
+ }
}
Review comment:
Moreover, I would suggest to require that the `JobGraph` is already
properly configured when it arrives at the `AdaptiveScheduler`.
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