ByteBuffer rowKey = ByteBufferUtil.bytes("k1");
ByteBuffer clusterKey = ByteBufferUtil.bytes("ck1");
ByteBuffer colName = ByteBufferUtil.bytes("col1");
CellNameType baseComparator = cfs.getComparator();
CellName compositeName = baseComparator.makeCellName(clusterKey, colName);
ByteBuffer val1 = ByteBufferUtil.bytes("v2");
// Insert indexed value.
Mutation rm;