rkhachatryan commented on code in PR #22169: URL: https://github.com/apache/flink/pull/22169#discussion_r1146911825
########## flink-runtime/src/main/java/org/apache/flink/runtime/scheduler/adaptive/AdaptiveScheduler.java: ########## @@ -730,15 +748,49 @@ public CompletableFuture<CoordinationResponse> deliverCoordinationRequestToCoord + " does not exist"))); } + @Override + public JobResourceRequirements requestJobResourceRequirements() { + final JobResourceRequirements.Builder builder = JobResourceRequirements.newBuilder(); + for (JobInformation.VertexInformation vertex : jobInformation.getVertices()) { + builder.setParallelismForJobVertex(vertex.getJobVertexID(), 1, vertex.getParallelism()); + } + return builder.build(); + } + + @Override + public void updateJobResourceRequirements(JobResourceRequirements jobResourceRequirements) { + if (executionMode == SchedulerExecutionMode.REACTIVE) { + throw new UnsupportedOperationException( + "Cannot change the parallelism of a job running in reactive mode."); + } + final Optional<VertexParallelismStore> maybeUpdateVertexParallelismStore = + DefaultVertexParallelismStore.applyJobResourceRequirements( + jobInformation.getVertexParallelismStore(), jobResourceRequirements); + if (maybeUpdateVertexParallelismStore.isPresent()) { + this.jobInformation = + new JobGraphJobInformation(jobGraph, maybeUpdateVertexParallelismStore.get()); + declareDesiredResources(); + state.tryRun( + ResourceListener.class, + ResourceListener::onNewResourceRequirements, + "Current state does not react to desired parallelism changes."); Review Comment: Thanks for clarifying! -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: issues-unsubscr...@flink.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org