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From Sergey Shelukhin <ser...@hortonworks.com>
Subject Re: reason to do major compaction after split
Date Thu, 07 Mar 2013 23:20:49 GMT
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 <stack@duboce.net> wrote:

> 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).
>
>
> St.Ack
>

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