He-Pin commented on code in PR #25955:
URL: https://github.com/apache/flink/pull/25955#discussion_r1910506639


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flink-end-to-end-tests/test-scripts/test_netty_shuffle_memory_control.sh:
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@@ -36,6 +36,10 @@ set_config_key "taskmanager.network.netty.num-arenas" "1"
 # Limits the direct memory to be one chunk (4M) plus some margins.
 set_config_key "taskmanager.memory.framework.off-heap.size" "7m"
 
+# Enable reflection for Nett4, which reduces its memory footprint on JDK11+,

Review Comment:
   Netty4



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