Github user GJL commented on a diff in the pull request:
https://github.com/apache/flink/pull/5487#discussion_r169911850
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/jobmaster/JobMaster.java
---
@@ -447,6 +453,165 @@ public void postStop() throws Exception {
return CompletableFuture.completedFuture(Acknowledge.get());
}
+ @Override
+ public CompletableFuture<Acknowledge> rescaleJob(
+ int newParallelism,
+ RescalingBehaviour rescalingBehaviour,
+ Time timeout) {
+ final ArrayList<JobVertexID> allOperators = new
ArrayList<>(jobGraph.getNumberOfVertices());
+
+ for (JobVertex jobVertex : jobGraph.getVertices()) {
+ allOperators.add(jobVertex.getID());
+ }
+
+ return rescaleOperators(allOperators, newParallelism,
rescalingBehaviour, timeout);
+ }
+
+ @Override
+ public CompletableFuture<Acknowledge> rescaleOperators(
--- End diff --
Does it have to be part of the `JobMasterGateway` interface? It's only used
from `rescaleJob`.
---