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Re: delta metric

From: Ben Collins-Sussman <sussman_at_newton.ch.collab.net>
Date: 2001-03-05 23:36:58 CET

Karl Fogel <kfogel@galois.ch.collab.net> writes:

> >
> > My thoughts weren't as complex as Karl's, though; if Jane begins and
> > then aborts a transaction -- acting alone -- the deleted node-revision
> > numbers will never be recycled, right? The next person who comes
> > along and clones the same node as Jane is going to get the "next"
> > node-rev num, beyond the deleted one.
>
> No, they will be recycled. Remember, when Jane aborts her txn, all
> new node revisions created in that txn get deleted from the database

Ah, yeah. I just read svn_fs__new_successor_id(). Id's *do* get
recycled.

> (those node revs are invisible to the revision roots -- they're
> "garbage", in the sense that a floodfill from the any revision root
> can never reach them).

Floodfill? My, what an interesting brain you have. :)
Received on Sat Oct 21 14:36:25 2006

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