On Mon, Dec 21, 2009 at 12:46 PM, Ramzi Rabah <rra...@playdom.com> wrote: > It seems that we still send a row mutation even if the cf of the row > is null.
It should never happen, and if it does it's harmless, so adding a special case for it is counterproductive. > On a different note, I have a few questions about HHOM design. > HintedHandOffManager seems to send the whole CF for a key, even if the > only thing that changed was a value in 1 single column. Only the changed parts are written to hint nodes in the first place. > And one last question about HHOM, since the node that is handling the > Hint might not be (and is probably not) one of the replicas if I > understood the code correctly, Will the data written to it ever be > cleaned, if I issue a delete later on down the line? Hinted data is removed by cleanup operations. -Jonathan
