Re: cassandra-hadoop mapper

2012-05-31 Thread Filippo Diotalevi
Hi, yes, the work can be split between different mappers, but each one will process one row at the time. In fact, the method > public void map(ByteBuffer key, SortedMap columns, > Context context) processes 1 row, with the specified ByteBuffer key and the list of columns SortedMap columns.

cassandra-hadoop mapper

2012-05-31 Thread murat migdisoglu
Hi, I'm working on some use cases to understand how cassandra-hadoop integration works. I have a very basic scenario: I have a column family that keeps the session id and some bson data that contains the username in two separate columns. I want to go through all rows and dump the row to a file wh