Chen Liang created HDFS-11997:
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             Summary: ChunkManager functions do not use the argument keyName
                 Key: HDFS-11997
                 URL: https://issues.apache.org/jira/browse/HDFS-11997
             Project: Hadoop HDFS
          Issue Type: Sub-task
            Reporter: Chen Liang
            Assignee: Chen Liang


{{ChunkManagerImpl}}'s functions i.e. {{writeChunk}} {{readChunk}} 
{{deleteChunk}} all take a {{keyName}} argument, which is not being used by any 
of them.

I think this makes sense because conceptually {{ChunkManager}} should not have 
to know keyName to do anything, probably except for some sort of sanity check 
or logging, which is not there either. We should revisit whether we need it 
here. I think we should remove it to make the Chunk syntax, and the function 
signatures more cleanly abstracted.

Any comments? [~anu]



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