X-czh commented on code in PR #27446:
URL: https://github.com/apache/flink/pull/27446#discussion_r2735895474
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flink-runtime/src/main/java/org/apache/flink/runtime/io/network/buffer/LocalBufferPool.java:
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@@ -824,4 +824,9 @@ public static AvailabilityStatus from(
}
}
}
+
+ @Override
+ public int getBuffersCountUnsafe(int targetChannel) {
+ return subpartitionBuffersCount[targetChannel];
Review Comment:
subpartitionBuffersCount tracks how many buffers requested by the
subpartition but some these buffers maybe idle. We should use
subpartition.getBuffersInBacklogUnsafe() to get the used buffer count in queue
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