Mercurial > hg
view tests/test-ui-verbosity.py.out @ 49790:f463eb675e85 stable
emitrevision: consider ancestors revision to emit as available base
This should make more delta base valid. This notably affects:
* case where we skipped some parent with empty delta to directly delta against
an ancestors
* case where an intermediate snapshots is stored.
This change means we could sent largish intermediate snapshots over the wire.
However this is actually a sub goal here. Sending snapshots over the wire means
the client have a high odd of simply storing the pre-computed delta instead of
doing a lengthy process that will… end up doing the same intermediate snapshot.
In addition the overall size of snapshot (or any level) is "only" some or the
overall delta size. (0.17% for my mercurial clone, 20% for my clone of Mozilla
try). So Sending them other the wire is unlikely to change large impact on the
bandwidth used.
If we decide that minimising the bandwidth is an explicit goal, we should
introduce new logic to filter-out snapshot as delta. The current code has no
notion explicite of snapshot so far, they just tended to fall into the wobbly
filtering options.
In some cases, this patch can yield large improvement to the bundling time:
### data-env-vars.name = mozilla-try-2019-02-18-zstd-sparse-revlog
# benchmark.name = perf-bundle
# benchmark.variants.revs = last-100000
before: 68.787066 seconds
after: 47.552677 seconds (-30.87%)
That translate to large improvement to the pull time :
### data-env-vars.name = mozilla-try-2019-02-18-zstd-sparse-revlog
# benchmark.name = pull
# benchmark.variants.issue6528 = disabled
# benchmark.variants.revs = last-100000
before: 142.186625 seconds
after: 75.897745 seconds (-46.62%)
No significant negative impact have been observed.
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
---|---|
date | Sat, 12 Nov 2022 00:18:41 +0100 |
parents | 807f3f5c60e9 |
children |
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hgrc settings command line options final result quiet verbo debug quiet verbo debug quiet verbo debug 0 False False False False False False -> False False False 1 True False False False False False -> True False False 2 False True False False False False -> False True False 3 True True False False False False -> False False False 4 False False True False False False -> False True True 5 True False True False False False -> False True True 6 False True True False False False -> False True True 7 True True True False False False -> False True True 8 False False False True False False -> True False False 9 True False False True False False -> True False False 10 False True False True False False -> True False False 11 True True False True False False -> True False False 12 False False True True False False -> True False False 13 True False True True False False -> True False False 14 False True True True False False -> True False False 15 True True True True False False -> True False False 16 False False False False True False -> False True False 17 True False False False True False -> False True False 18 False True False False True False -> False True False 19 True True False False True False -> False True False 20 False False True False True False -> False True False 21 True False True False True False -> False True False 22 False True True False True False -> False True False 23 True True True False True False -> False True False 24 False False False True True False -> False False False 25 True False False True True False -> False False False 26 False True False True True False -> False False False 27 True True False True True False -> False False False 28 False False True True True False -> False False False 29 True False True True True False -> False False False 30 False True True True True False -> False False False 31 True True True True True False -> False False False 32 False False False False False True -> False True True 33 True False False False False True -> False True True 34 False True False False False True -> False True True 35 True True False False False True -> False True True 36 False False True False False True -> False True True 37 True False True False False True -> False True True 38 False True True False False True -> False True True 39 True True True False False True -> False True True 40 False False False True False True -> False True True 41 True False False True False True -> False True True 42 False True False True False True -> False True True 43 True True False True False True -> False True True 44 False False True True False True -> False True True 45 True False True True False True -> False True True 46 False True True True False True -> False True True 47 True True True True False True -> False True True 48 False False False False True True -> False True True 49 True False False False True True -> False True True 50 False True False False True True -> False True True 51 True True False False True True -> False True True 52 False False True False True True -> False True True 53 True False True False True True -> False True True 54 False True True False True True -> False True True 55 True True True False True True -> False True True 56 False False False True True True -> False True True 57 True False False True True True -> False True True 58 False True False True True True -> False True True 59 True True False True True True -> False True True 60 False False True True True True -> False True True 61 True False True True True True -> False True True 62 False True True True True True -> False True True 63 True True True True True True -> False True True