[GitHub] flink pull request #4485: [FLINK-7378][core]Create a fix size (non rebalanci...

[zhijiangW]

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

    https://github.com/apache/flink/pull/4485#discussion_r139083671
  
    --- Diff: 
flink-runtime/src/main/java/org/apache/flink/runtime/io/network/partition/consumer/SingleInputGate.java
 ---
    @@ -333,7 +333,7 @@ public void 
updateInputChannel(InputChannelDeploymentDescriptor icdd) throws IOE
     
                        InputChannel current = inputChannels.get(partitionId);
     
    -                   if (current.getClass() == UnknownInputChannel.class) {
    +                   if (current instanceof UnknownInputChannel) {
    --- End diff --
    
    agree


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