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Masatake Iwasaki commented on HDFS-6880: ---------------------------------------- bq. So, it looks like we don't have tracing inside DFSInputStream here. Are you planning on adding that in a later JIRA, or should we do it in this one? Because DFSInputStream does not use Thread in normal path as DFSOutputStream do, it is not crucial to add the code (for passing tracing infos between threads) in it. But it might be better if the code is symmetric for input and output. I will consider to add tracing span to DFSInputStream on updating the patch. > Adding tracing to DataNode data transfer protocol > ------------------------------------------------- > > Key: HDFS-6880 > URL: https://issues.apache.org/jira/browse/HDFS-6880 > Project: Hadoop HDFS > Issue Type: Sub-task > Reporter: Masatake Iwasaki > Assignee: Masatake Iwasaki > Attachments: HDFS-6880-0.patch > > -- This message was sent by Atlassian JIRA (v6.3.4#6332)