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Posted to issues@flink.apache.org by GJL <gi...@git.apache.org> on 2018/01/02 14:28:31 UTC

[GitHub] flink pull request #5215: [FLINK-8328] [flip6] Move Yarn ApplicationStatus p...

Github user GJL commented on a diff in the pull request:

    https://github.com/apache/flink/pull/5215#discussion_r159227421
  
    --- Diff: flink-yarn/src/main/java/org/apache/flink/yarn/cli/FlinkYarnSessionCli.java ---
    @@ -660,7 +570,25 @@ public int run(
     					"yarn application -kill " + applicationId.getOpt());
     				yarnCluster.disconnect();
     			} else {
    -				runInteractiveCli(yarnCluster, true);
    +				ScheduledThreadPoolExecutor scheduledExecutorService = new ScheduledThreadPoolExecutor(1);
    +
    +				try (YarnApplicationStatusMonitor yarnApplicationStatusMonitor = new YarnApplicationStatusMonitor(
    +						yarnDescriptor.getYarnClient(),
    +						yarnCluster.getApplicationId(),
    +						new ScheduledExecutorServiceAdapter(scheduledExecutorService))) {
    --- End diff --
    
    Why do we need to use the `ScheduledExecutor` interface from Flink? Why not use Java's `ScheduledExecutorService` directly?


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