Testing very long delta chains

Gregory Szorc gregory.szorc at gmail.com
Wed Dec 23 01:27:09 UTC 2015


https://www.mercurial-scm.org/wiki/BigRepositories has been updated with a
link to
https://hg.mozilla.org/users/gszorc_mozilla.com/mozilla-central-aggressivemergedeltas,
which is a generaldelta clone of mozilla-central with
format.aggressivemergedeltas enabled.

The last manifest delta chain in this repo is over 45,000 entries deep and
it makes for a good benchmark for testing revlog reading performance.

Remember: `hg clone --uncompressed` to preserve the delta chains from the
server or your client will recompute them as part of applying the
changegroup.
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