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 <ran...@gmail.com> 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