cassandra-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Ran Tavory <>
Subject mapreduce from cassandra to cassandra
Date Tue, 18 May 2010 09:08:04 GMT
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

My knowledge about hadoop and mr is pretty basic so maybe I'm missing
something simple, lmk, thanks!

View raw message