annotate .arcconfig @ 40978:42f59d3f714d

delta: exclude base candidate much smaller than the target If a revision's full text is that much bigger than a base candidate full text, we no longer consider that candidate. This solves a pathological case we encountered on a very specify repository. It contains a long series of changesets with a very small manifest (one file) co-existing with others changesets using a very large manifest. Without this filtering, we ended up considering a large number of tiny full snapshots as a potential base. It resulted in very large delta (the size of the full text) and mercurial spending 99% of its time compressing these deltas. The timing of a commit moved from about 400s to about 10s (still slow, but not ridiculously slow).
author Boris Feld <boris.feld@octobus.net>
date Mon, 17 Dec 2018 10:42:19 +0100
parents b2c27d84f05c
children ff396501e841
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
33583
b2c27d84f05c phabricator: include the suggested arc config in the repo
Alex Gaynor <agaynor@mozilla.com>
parents:
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1 {
b2c27d84f05c phabricator: include the suggested arc config in the repo
Alex Gaynor <agaynor@mozilla.com>
parents:
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2 "conduit_uri": "https://phab.mercurial-scm.org/api",
b2c27d84f05c phabricator: include the suggested arc config in the repo
Alex Gaynor <agaynor@mozilla.com>
parents:
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3 "repository.callsign": "HG",
b2c27d84f05c phabricator: include the suggested arc config in the repo
Alex Gaynor <agaynor@mozilla.com>
parents:
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4 "arc.land.onto.default": "@",
b2c27d84f05c phabricator: include the suggested arc config in the repo
Alex Gaynor <agaynor@mozilla.com>
parents:
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5 "base": "hg:.^"
b2c27d84f05c phabricator: include the suggested arc config in the repo
Alex Gaynor <agaynor@mozilla.com>
parents:
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6 }