20 Billion Rows/Month - Hbase / Hive / Greenplum / What?

Question

I\'d like to use your wisdom for picking up the right solution for a data-warehouse system. Here are some details to better understand the problem:

Data is organized in

Answer 1

I'm curious what you finally selected. Your question was to the tail end of 2008. Today the situation is different with HBase, Greenplum, pig etc. giving SQL like access.