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


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HDFS blockIDs vs paths
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

NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB