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MapReduce >> mail # user >> HDFS blockIDs vs paths

John Lilley 2013-07-18, 23:52
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Re: HDFS blockIDs vs paths
DataNodes track it. See and trace the volumeMap,

On Fri, Jul 19, 2013 at 5:22 AM, John Lilley <[EMAIL PROTECTED]> wrote:
> In HDFS, who tracks the filesystem path on the datanode of each block?  The
> namenode or the datanode?  If datanode, where is that table stored?
> John

Harsh J