On Sun, 6 Sep 2009 22:45:28 -0700 (PDT) C G <parallel...@yahoo.com> wrote:
> Hi All: > Does anybody know if it's possible to distcp between an old version > of Hadoop (0.15.x, for example) and a modern version (0.19.2)? Yes: 1) Run the distcp job on the newer cluster. 2) Use the hftp method in the source URI. Example: hadoop distcp hftp://oldclusternamenode:50070/path/to/src \ hdfs://newclusternamenode:8020/path/to/dst See http://hadoop.apache.org/common/docs/r0.20.0/distcp.html#cpver Cheers, \EF -- Erik Forsberg <forsb...@opera.com> Developer, Opera Software - http://www.opera.com/
