Mercurial > hg
view README @ 11609:890ad9d6a169
log: slowpath: do not read the full changelog
When in the slowpath, we are examining _all_ changesets in revs.
We need to order reads so they happen increasingly for I/O performance.
Increasing windows were used to read changelog backwards in a windowed manner,
reading the changelog forward inside each window. But since no revision range
was specified, it was equivalent to reading the full changelog, even if a
single revision was passed to the commandline.
When --removed is used, we _need_ to scan all changesets, but if we're only
looking for file patterns, this is not necessary and we can stick to
the revspec that was given to us.
| author | Nicolas Dumazet <nicdumz.commits@gmail.com> |
|---|---|
| date | Sun, 04 Jul 2010 18:07:30 +0900 |
| parents | a41f2840f9c6 |
| children | 5c6c10e6b5a6 |
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Basic install: $ make # see install targets $ make install # do a system-wide install $ hg debuginstall # sanity-check setup $ hg # see help See http://mercurial.selenic.com/ for detailed installation instructions, platform-specific notes, and Mercurial user information.