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From Stack <st...@duboce.net>
Subject Re: reason to do major compaction after split
Date Thu, 07 Mar 2013 22:13:38 GMT
On Thu, Mar 7, 2013 at 1:14 PM, Enis Söztutar <enis@hortonworks.com> 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).


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