Github user poornachandra commented on a diff in the pull request: https://github.com/apache/twill/pull/23#discussion_r98088342 --- Diff: twill-yarn/src/main/java/org/apache/twill/internal/appmaster/RunningContainers.java --- @@ -113,9 +117,11 @@ public Integer apply(BitSet input) { private final Location applicationLocation; private final Set<String> runnableNames; private final Map<String, Map<String, String>> logLevels; + private final Map<String, Integer> maxRetries; --- End diff -- Instance ids for runnable instances go from `0` to `num-instances - 1`. If an instance gets restarted, then it retains the same instance id. Using this instance id we can track the number of times a particular instance was restarted. You can get the instance id in `handleCompleted` method by using `getInstanceId(RunId runId)` method.
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