fsck on namenode without datanodes takes too much time
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                 Key: HADOOP-1979
                 URL: https://issues.apache.org/jira/browse/HADOOP-1979
             Project: Hadoop
          Issue Type: Bug
          Components: dfs
            Reporter: Koji Noguchi
            Priority: Minor


Once in a while , we want to debug by bringing up the namenode without any datanodes.  dfs -ls/-lsr works, but fsck / takes too much time. (at least 10 times more)  Most likely from HADOOP-943 that I requested.  If this is the case, it would be nice if we can have an option for disabling it for this special case.


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