guluo2016 commented on code in PR #7719:
URL: https://github.com/apache/hbase/pull/7719#discussion_r2788912049


##########
hbase-asyncfs/src/main/java/org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutputHelper.java:
##########
@@ -345,7 +345,8 @@ protected void channelRead0(ChannelHandlerContext ctx, 
BlockOpResponseProto resp
           if (PipelineAck.isRestartOOBStatus(pipelineStatus)) {
             throw new IOException("datanode " + dnInfo + " is restarting");
           }
-          String logInfo = "ack with firstBadLink as " + 
resp.getFirstBadLink();
+          String logInfo =
+            "ack with firstBadLink as " + resp.getFirstBadLink() + " from 
datanode " + dnInfo;

Review Comment:
   Overall looks good. Just some minor nits.
   In a previous change, we print both the hostname and IP when printing 
datanode info, details see: https://github.com/apache/hbase/pull/6148
   It might be better to follow that same pattern here?



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