Mercurial > hg
view tests/test-revlog-mmapindex.t @ 46858:85e3a630cad9
revlog: move the details of revlog "v2" index inside revlog.utils.constants
the revlog module is quite large and this kind of format information would handy
for other module. So let us start to gather this information about the format in
a more appropriate place.
We update various reference to this information to use the new "source of truth"
in the process.
Differential Revision: https://phab.mercurial-scm.org/D10305
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
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date | Mon, 05 Apr 2021 12:21:12 +0200 |
parents | 6ebe899b6551 |
children | 42d2b31cee0b |
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create verbosemmap.py $ cat << EOF > verbosemmap.py > # extension to make util.mmapread verbose > > from __future__ import absolute_import > > from mercurial import ( > extensions, > pycompat, > util, > ) > > def extsetup(ui): > def mmapread(orig, fp): > ui.write(b"mmapping %s\n" % pycompat.bytestr(fp.name)) > ui.flush() > return orig(fp) > > extensions.wrapfunction(util, 'mmapread', mmapread) > EOF setting up base repo $ hg init a $ cd a $ touch a $ hg add a $ hg commit -qm base $ for i in `$TESTDIR/seq.py 1 100` ; do > echo $i > a > hg commit -qm $i > done set up verbosemmap extension $ cat << EOF >> $HGRCPATH > [extensions] > verbosemmap=$TESTTMP/verbosemmap.py > EOF mmap index which is now more than 4k long $ hg log -l 5 -T '{rev}\n' --config experimental.mmapindexthreshold=4k mmapping $TESTTMP/a/.hg/store/00changelog.i 100 99 98 97 96 do not mmap index which is still less than 32k $ hg log -l 5 -T '{rev}\n' --config experimental.mmapindexthreshold=32k 100 99 98 97 96 $ cd ..