On Sun, Nov 13, 2011 at 7:25 PM, Maxim Potekhin <potek...@bnl.gov> wrote:
> Each row represents a computational task (a job) executed on the grid or in
> the cloud. It naturally has a timestamp as one of its attributes,
> representing the time of the last update. This timestamp
> is used to group the data into "buckets" each representing one day in the
> system's activity.
> I create the "DATE" attribute and add it to each row, e.g. it's a column
> {'DATE','20111113'}.Hmm, so why is pushing this into the row key and then deleting the entire row not acceptable? (this is what the link I gave would prescribe) In other words, you bucket at the row level, instead of relying on a column attribute that needs an index. -Brandon
