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

    https://github.com/apache/flink/pull/3420#discussion_r103181679
  
    --- Diff: 
flink-connectors/flink-connector-kafka-0.8/src/main/java/org/apache/flink/streaming/connectors/kafka/internals/KillerWatchDog.java
 ---
    @@ -42,12 +42,12 @@
        @SuppressWarnings("deprecation")
        @Override
        public void run() {
    -           final long deadline = System.currentTimeMillis() + timeout;
    +           final long deadline = System.nanoTime() + timeout * 1_000_000L;
                long now;
     
    -           while (toKill.isAlive() && (now = System.currentTimeMillis()) < 
deadline) {
    +           while (toKill.isAlive() && (now = System.nanoTime()) < 
deadline) {
                        try {
    -                           toKill.join(deadline - now);
    +                           toKill.join( ( deadline - now ) / 1_000_000L );
    --- End diff --
    
    nit: I don't think we usually have spaces after braces like this here.
    There isn't an agreed codestyle for this, but I think we can remove the 
spaces to be consistent with other parts of the code.
    
    Will fix will merging.


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