Can you reproduce outside the Hadoop environment, i.e. w/ Thrift code? On Mon, May 3, 2010 at 5:49 AM, Mark Schnitzius <mark.schnitz...@cxense.com> wrote: > Hi all... I am trying to feed a specific list of Cassandra column names in > as input to a Hadoop process, but for some reason it only feeds in some of > the columns I specify, not all. > This is a short description of the problem - I'll see if anyone might have > some insight before I dump a big load of code on you... > 1. I've uploaded a bunch of data into Cassandra; the column names as longs > (dates, basically) converted to byte[8]. > 2. I can successfully set a SlicePredicate using setSlice_range to return > all the data for a set of columns. > 3. However, if I instead call setColumn_names on the SlicePredicate, only > some of the specified columns get fed into Hadoop. > 4. This faulty behavior is repeatable, with the same columns going missing > each time for the same input parameters. > 5. For the values that fail, I've made fairly certain that the value for > the column name is getting inserted successfully, and that the exact same > column name is specified in the call to setColumn_names. > Any clues? > > AdTHANKSvance, > Mark
-- Jonathan Ellis Project Chair, Apache Cassandra co-founder of Riptano, the source for professional Cassandra support http://riptano.com
