On Thu, 2006-04-06 at 14:08 +0200, Jan-Benedict Glaw wrote: > On Wed, 2006-04-05 23:36:32 -0700, Keith Packard <keithp@xxxxxxxxxx> wrote: > > note, parsecvs remains available from: > > > > git://git.freedesktop.org/~keithp/parsecvs > > It now compiles out-of-the-box for me, nice work. cool > > However, it would be nice if you'd add a short description about how > to use it. Something like this: I'd rather just fix the usage to be more sane; that shouldn't take but a few minutes... > I just ran it against a locally rsync'ed copy of the Binutils ,v > files. Looging at the progress bar, it is bascally ready: > > > Load: winsup/configure.in,v ....................* 27704 of 27704 Now all of the ,v files have been parsed and each revision placed in the .git repository as a blob. > But it seems it now starts to really consume memory: Yeah, it's doing the change set computation, which is not very space efficient; it computes the entire set of files at each commit which can take 'a bit' of space with a large number of files over a long period of time. Obviously computing revision deltas and saving those would make it use a lot less memory. > jbglaw@bixie:~/bin$ ps axflwww|egrep '(VSZ|parsecvs)'|grep -v grep > F UID PID PPID PRI NI VSZ RSS WCHAN STAT TTY TIME COMMAND > 0 1000 15564 22879 18 0 2805084 549996 finish T pts/10 30:51 | \_ parsecvs I'd run a large repository on a large machine; I managed to get postgresql to run on my laptop (615M CVS with 6000 files), but anything larger I'd probably want to get it onto a big enough machine. The question is whether it needs to be more efficient so that people can constantly convert repositories or whether moving the repository to a sufficiently large machine for the one-time conversion is 'good enough'. > How well does this work with even larger repositories? postgresql is the largest I've run; starting with a 615M CVS repository, it built a 1.7G .git tree, which packed down to 125M. -- keith.packard@xxxxxxxxx
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