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

    https://github.com/apache/flink/pull/2693#discussion_r85080051
  
    --- Diff: 
flink-runtime/src/main/java/org/apache/flink/runtime/io/network/partition/consumer/SingleInputGate.java
 ---
    @@ -222,6 +226,20 @@ public int getPageSize() {
                }
        }
     
    +   public int getNumberOfQueuedBuffers() {
    +           int totalBuffers = 0;
    +
    +           for (Map.Entry<IntermediateResultPartitionID, InputChannel> 
entry: inputChannels.entrySet()) {
    --- End diff --
    
    I think this map may change asynchronously, so it is probably better to 
catch exceptions here and re-try for some times. It it fails three times, 
return `-1` for "unknown"


---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at infrastruct...@apache.org or file a JIRA ticket
with INFRA.
---

Reply via email to