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Allen Wittenauer commented on HDFS-1258:
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If someone validates this, we should probably mark this as a blocker for 0.21.
> Clearing namespace quota on "/" corrupts FS image
> -------------------------------------------------
>
> 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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