From: Fedor V. Sergeev <theodor@geo.phys.spbu.ru>
Date: Sat, 22 Mar 2008 13:34:22 GMT
Subject: hg-to-git performance on big repos
Message-ID: <20080322162618.K47359@geo.geo.loc>

Folks,

I'm trying to convert a relatively big Mercurial repo (70K commits) into Git using
contrib/hg-to-git.
It initially goes fine but starts to slow down nearly exponentially as the
number of converted changesets goes up.

git-fast-import seems to just hang around, while all the work (100% cpu)
is spent in that python thing. It does not eat up memory, pstack looks
fine, but after some 10K commits it just crawls.

It did not finish in 2 days and after that machine got a power down :(

Can anybody tell me is this normal or what?

thanks in advance,
  Fedor.
P.S. Yeah, if that does matter I'm doing it on OpenSolaris ;)