Github user uce commented on a diff in the pull request: https://github.com/apache/flink/pull/2910#discussion_r90237601 --- Diff: flink-runtime/src/main/scala/org/apache/flink/runtime/jobmanager/JobManager.scala --- @@ -505,37 +507,31 @@ class JobManager( } } } catch { - case t: Throwable => log.error(s"Failed to recover job $jobId.", t) + case t: Throwable => log.warn(s"Failed to recover job $jobId.", t) } }(context.dispatcher) case RecoverAllJobs => future { - try { - // The ActorRef, which is part of the submitted job graph can only be - // de-serialized in the scope of an actor system. - akka.serialization.JavaSerializer.currentSystem.withValue( - context.system.asInstanceOf[ExtendedActorSystem]) { + log.info("Attempting to recover all jobs.") - log.info(s"Attempting to recover all jobs.") - - val jobGraphs = submittedJobGraphs.recoverJobGraphs().asScala + try { + val jobIdsToRecover = submittedJobGraphs.getJobIds().asScala - if (!leaderElectionService.hasLeadership()) { - // we've lost leadership. mission: abort. - log.warn(s"Lost leadership during recovery. Aborting recovery of ${jobGraphs.size} " + - s"jobs.") - } else { - log.info(s"Re-submitting ${jobGraphs.size} job graphs.") + if (jobIdsToRecover.isEmpty) { + log.info("There are no jobs to recover.") + } else { + log.info(s"There are ${jobIdsToRecover.size} jobs to recover. Starting the job " + --- End diff -- Should we do a `if-else` on the log level here and print the job IDs on debug? ``` if (isDebug()) { // There are ${jobIdsToRecover.size} jobs to recover: [jobID] } else { // What you already have } ```
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