Hmm... should we have hardlinks (or use HDFS hardlinks if any?) to solve this problem. HalfHFile could be HFileWithRange :)
On Thu, Mar 7, 2013 at 2:13 PM, Stack <[email protected]> wrote: > On Thu, Mar 7, 2013 at 1:14 PM, Enis Söztutar <[email protected]> > wrote: > > > We do not have to created references to references. We can find the > > original file, and directly create a ref at the grand daughters. The > messy > > part, is in the cleanup for parent region, where we have to recursively > > search for all successors to decide whether we can delete this region, > and > > delete the hfile. > > > > Yes. That is a few trips to the NN listing directory contents and then > some edits/reading of .META. We would have to introduce a QuarterHFile to > go with our HalfHFile (or rename HalfHFile as PieceO'HFile). > > > St.Ack >
