Clearing namespace quota on "/" corrupts FS image
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                 Key: HDFS-1258
                 URL: https://issues.apache.org/jira/browse/HDFS-1258
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: name-node
            Reporter: Aaron T. Myers


The HDFS root directory starts out with a default namespace quota of 
Integer.MAX_VALUE. If you clear this quota (using "hadoop dfsadmin -clrQuota 
/"), the fsimage gets corrupted immediately. Subsequent 2NN rolls will fail, 
and the NN will not come back up from a restart.

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