azagrebin commented on a change in pull request #12278:
URL: https://github.com/apache/flink/pull/12278#discussion_r441346884



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File path: 
flink-runtime/src/main/java/org/apache/flink/runtime/jobmaster/slotpool/DualKeyLinkedMap.java
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@@ -37,13 +41,13 @@
 
        private final LinkedHashMap<A, Tuple2<B, V>> aMap;
 
-       private final LinkedHashMap<B, A> bMap;
+       private final HashMap<B, A> bMap;

Review comment:
       Hmm, for me, the order would be not obvious anyways w/o either looking 
into the implementation or the jdoc comment. I am not strictly opposed to the 
change but I would avoid it if it is not strictly needed.




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