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From Jason Q <monoid...@outlook.com>
Subject Why mount point of Name Service can NOT be "/" when enable HDFS federation
Date Wed, 20 Aug 2014 03:54:58 GMT
According to CDH documentation (http://www.cloudera.com/content/cloudera-content/cloudera-docs/CM4Ent/4.5.3/Cloudera-Manager-Enterprise-Edition-User-Guide/cmeeug_topic_5_13.html),
 "/" can NOT be used as mount point.  Is there some explicit reason for this? 
Because of this limitation, if HDFS without federation has been used for a while, then user
wants to enable Federation, some existing client program will be broken because "/" can't
be used anymore.

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