[GitHub] flink pull request #5908: [FLINK-9182]async checkpoints for timer service

[makeyang]

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

    https://github.com/apache/flink/pull/5908#discussion_r187294295
  
    --- Diff: 
flink-streaming-java/src/main/java/org/apache/flink/streaming/api/operators/InternalTimer.java
 ---
    @@ -39,11 +40,18 @@
        private final long timestamp;
        private final K key;
        private final N namespace;
    +   private final String hashKey;
    --- End diff --
    
    same as above


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