A token is a MD5 hash (one way hash). You cannot compute the key given a token. You can however compute MD5 hash of your keys and compare them with tokens.
-Naren On Sat, Dec 31, 2011 at 2:07 PM, ravikumar visweswara <talk2had...@gmail.com > wrote: > Hello All, > > I have requirement to copy data from cassandra to hadoop from/to a > specific key. This is supported in 1.0.0. But I am using cassandra version > 0.7.1 and hadoop version 20.2. > > In my mapreduce job(InputFormat class) i have an object of TokenRange. I > need to filter certain ranges based on some exclusion rules. > i have readable key range to include. Could some one help me on how to > convert start_token and end_token to readable format and compare with my > input keys (range)? > > I know that 1.0.0 have better capabilities to specify keyRanges in hadoop > mapreduce. But for now, i will have to work with 0.7.1 > > Thanks and Regards > Ravi > > > -- Narendra Sharma Software Engineer *http://www.aeris.com <http://www.persistentsys.com>* *http://narendrasharma.blogspot.com/*
