I believe 0.15 had HftpFileSystem. http://hadoop.apache.org/common/docs/r0.15.3/api/index.html
You may be able to run 0.19's distcp to copy from your 0.15 (use HFTP as the source) to HDFS. -- Philip On Sun, Mar 21, 2010 at 12:26 PM, Owen O'Malley <owen.omal...@gmail.com> wrote: > I believe you need to take two jumps. I believe it is 15-> 18 -> 20. I'd > strongly suggest trying a practice file system first. Did we have owners and > perms in 15? If not, you'll need to set owners and perms. > > -- Owen > > On Mar 21, 2010, at 12:23 AM, "ilayaraja" <ilayar...@rediff.co.in> wrote: > >> Hi, >> >> We 've been using hadoop 15.5 in our production environment where we have >> about 10 TB of data stored on the dfs. >> The files were generated as mapreduce output. We want to move our env. to >> Amazon Elastic Map Reduce (EMR) which throws the following questions to us: >> >> 1. EMR supports only hadoop 19.0 and above. Is it possible to use the >> current data that were generated with hadoop 15.5 from hadoop 19.0? >> >> 2. Or how can we make it possible to use or update to hadoop 19.0 from >> hadoop 15.5? What are the issues expected while doing so? >> >> >> Regards, >> Ilayaraja >> >
