Re: [Monotone-devel] Re: mtn cvs_import's "almost certainly a bug"

[Nathaniel Smith]

On Fri, Aug 04, 2006 at 05:33:20PM -0400, Jonathan S. Shapiro wrote:
> On Fri, 2006-08-04 at 13:01 -0700, Eric Anderson wrote:
> 
> > You're probably running into the problem of monotone keeping the
> > entire commit in memory.  eddb7e59361efeb8d9300ba0ddd7483272565097
> > from net.venge.monotone.experiment.performance fixes this.
> 
> Damn but this all sounds very familiar... OpenCM used to do this too.
> Once of the *really* nice things about using sha1 is that partial
> results can be stored as long as you don't store anything that depends
> on them.

True, but for commit, you don't need that, you just need an ACID
database backend :-).

(If you have an asynchronous server servicing multiple clients out of
a single database, though, db transactions don't help, and you do need
to be able to store partial pieces.)

-- Nathaniel

-- 
"Lull'd in the countless chambers of the brain,
Our thoughts are link'd by many a hidden chain:
Awake but one, and lo! what myriads rise!
Each stamps its image as the other flies"
  -- Ann Ward Radcliffe, The Mysteries of Udolpho