omalley commented on code in PR #4527:
URL: https://github.com/apache/hadoop/pull/4527#discussion_r1024580604


##########
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/Client.java:
##########
@@ -1153,9 +1087,51 @@ public void run() {
             + connections.size());
     }
 
+    /**
+     * A thread to write rpc requests to the socket.
+     */
+    private class RpcRequestSender implements Runnable {
+      @Override
+      public void run() {
+        while (!shouldCloseConnection.get()) {
+          ResponseBuffer buf = null;
+          try {
+            Pair<Call, ResponseBuffer> pair = rpcRequestQueue.take();
+            if (shouldCloseConnection.get()) {
+              return;
+            }
+            buf = pair.getRight();
+            synchronized (ipcStreams.out) {
+              if (LOG.isDebugEnabled()) {
+                Call call = pair.getLeft();
+                LOG.debug(getName() + " sending #" + call.id
+                    + " " + call.rpcRequest);

Review Comment:
   Ok, I'll do that. However that code is just moving around in this patch and 
in general I prefer to not mix improvements and bug fixes.



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