hbase - yes. But is that reusable for cassandra? On Tue, May 18, 2010 at 12:17 PM, Jeff Zhang <[email protected]> wrote:
> I believe it is possible to write result back to cassandra. If I > remember correctly, HBase has both InputFormat and OutputFormat for > hadoop. > > > > > On Tue, May 18, 2010 at 5:08 PM, Ran Tavory <[email protected]> wrote: > > In the wordcount example the process reads from cassandra and the result > is > > written to a local file at /tmp/word_count* > > Is it possible to read from cassandra and write the result back to > cassandra > > to a specified cf/row/column? > > I see that there exists a ColumnFamilyInputFormat but not > > ColumnFamilyOutputFormat or something like that > > (in > http://svn.apache.org/repos/asf/cassandra/trunk/src/java/org/apache/cassandra/hadoop/ > ) > > My knowledge about hadoop and mr is pretty basic so maybe I'm missing > > something simple, lmk, thanks! > > > > -- > Best Regards > > Jeff Zhang >
