Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/18388#discussion_r128149914
--- Diff:
common/network-common/src/main/java/org/apache/spark/network/server/OneForOneStreamManager.java
---
@@ -53,9 +56,13 @@
// that the caller only requests each chunk one at a time, in order.
int curChunk = 0;
+ // Used to keep track of the number of chunks being transferred and
not finished yet.
+ AtomicLong chunksBeingTransferred;
--- End diff --
according to you usage, seems `volatile long chunksBeingTransferred` is
enough?
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