Mercurial > hg
view tests/test-exchange-obsmarkers-case-A3.t @ 49672:e92de86cf4f8
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 | 9261f6c1d39b |
children |
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============================================ Testing obsolescence markers push: Cases A.3 ============================================ Mercurial pushes obsolescences markers relevant to the "pushed-set", the set of all changesets that requested to be "in sync" after the push (even if they are already on both side). This test belongs to a series of tests checking such set is properly computed and applied. This does not tests "obsmarkers" discovery capabilities. Category A: simple cases TestCase 3: old branch split in two, only one of the new one pushed Variants: # a: changesets are known on remote # b: changesets are known on remote (push needs -f) A.3 new branchs created, one pushed. ==================================== .. {{{ .. B' ○⇢ø B .. | | .. \Aø⇠◔ A' .. \|/ .. ● O .. }}} .. .. Markers exist from: .. .. * `A ø⇠○ A'` .. * `B ø⇠○ B'` .. .. Command runs: .. .. * hg push -r A .. .. Expected exchange: .. .. * chain from A .. .. Expected exclude: .. .. * chain from B .. .. Extra note: .. .. If A and B are remontly known, we should expect: .. .. * `hg push` will complain about the new head .. * `hg push` should complain about unstable history creation Setup ----- $ . $TESTDIR/testlib/exchange-obsmarker-util.sh initial $ setuprepos A.3.a creating test repo for test case A.3.a - pulldest - main - pushdest cd into `main` and proceed with env setup $ cd main $ mkcommit A0 $ mkcommit B0 $ hg update -q 0 $ mkcommit A1 created new head $ hg update -q 0 $ mkcommit B1 created new head $ hg debugobsolete `getid 'desc(A0)'` `getid 'desc(A1)'` 1 new obsolescence markers obsoleted 1 changesets 1 new orphan changesets $ hg debugobsolete `getid 'desc(B0)'` `getid 'desc(B1)'` 1 new obsolescence markers obsoleted 1 changesets $ hg log -G --hidden @ f6298a8ac3a4 (draft): B1 | | o e5ea8f9c7314 (draft): A1 |/ | x 6e72f0a95b5e (draft): B0 | | | x 28b51eb45704 (draft): A0 |/ o a9bdc8b26820 (public): O $ inspect_obsmarkers obsstore content ================ 28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'} 6e72f0a95b5e01a7504743aa941f69cb1fbef8b0 f6298a8ac3a4b78bbeae5f1d3dc5bc3c3812f0f3 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'} $ cd .. $ cd .. Actual Test for first version (changeset unknown in remote) ----------------------------------------------------------- $ dotest A.3.a A1 ## Running testcase A.3.a # testing echange of "A1" (e5ea8f9c7314) ## initial state # obstore: main 28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'} 6e72f0a95b5e01a7504743aa941f69cb1fbef8b0 f6298a8ac3a4b78bbeae5f1d3dc5bc3c3812f0f3 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'} # obstore: pushdest # obstore: pulldest ## pushing "A1" from main to pushdest pushing to pushdest searching for changes remote: adding changesets remote: adding manifests remote: adding file changes remote: added 1 changesets with 1 changes to 1 files remote: 1 new obsolescence markers ## post push state # obstore: main 28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'} 6e72f0a95b5e01a7504743aa941f69cb1fbef8b0 f6298a8ac3a4b78bbeae5f1d3dc5bc3c3812f0f3 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'} # obstore: pushdest 28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'} # obstore: pulldest ## pulling "e5ea8f9c7314" from main into pulldest pulling from main searching for changes adding changesets adding manifests adding file changes added 1 changesets with 1 changes to 1 files 1 new obsolescence markers new changesets e5ea8f9c7314 (1 drafts) (run 'hg update' to get a working copy) ## post pull state # obstore: main 28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'} 6e72f0a95b5e01a7504743aa941f69cb1fbef8b0 f6298a8ac3a4b78bbeae5f1d3dc5bc3c3812f0f3 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'} # obstore: pushdest 28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'} # obstore: pulldest 28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'} other variant: changeset known in remote ---------------------------------------- $ setuprepos A.3.b creating test repo for test case A.3.b - pulldest - main - pushdest cd into `main` and proceed with env setup $ cd main $ mkcommit A0 $ mkcommit B0 $ hg push -q ../pushdest $ hg push -q ../pulldest $ hg update -q 0 $ mkcommit A1 created new head $ hg update -q 0 $ mkcommit B1 created new head $ hg debugobsolete `getid 'desc(A0)'` `getid 'desc(A1)'` 1 new obsolescence markers obsoleted 1 changesets 1 new orphan changesets $ hg debugobsolete `getid 'desc(B0)'` `getid 'desc(B1)'` 1 new obsolescence markers obsoleted 1 changesets $ hg log -G --hidden @ f6298a8ac3a4 (draft): B1 | | o e5ea8f9c7314 (draft): A1 |/ | x 6e72f0a95b5e (draft): B0 | | | x 28b51eb45704 (draft): A0 |/ o a9bdc8b26820 (public): O $ inspect_obsmarkers obsstore content ================ 28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'} 6e72f0a95b5e01a7504743aa941f69cb1fbef8b0 f6298a8ac3a4b78bbeae5f1d3dc5bc3c3812f0f3 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'} $ cd .. $ cd .. Actual Test for first version (changeset known in remote) ----------------------------------------------------------- check it complains about multiple heads $ cd A.3.b $ hg push -R main -r 'desc(A1)' pushdest pushing to pushdest searching for changes abort: push creates new remote head e5ea8f9c7314 (merge or see 'hg help push' for details about pushing new heads) [20] $ cd .. test obsmarkers exchange. $ dotest A.3.b A1 -f ## Running testcase A.3.b # testing echange of "A1" (e5ea8f9c7314) ## initial state # obstore: main 28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'} 6e72f0a95b5e01a7504743aa941f69cb1fbef8b0 f6298a8ac3a4b78bbeae5f1d3dc5bc3c3812f0f3 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'} # obstore: pushdest # obstore: pulldest ## pushing "A1" from main to pushdest pushing to pushdest searching for changes remote: adding changesets remote: adding manifests remote: adding file changes remote: added 1 changesets with 1 changes to 1 files (+1 heads) remote: 1 new obsolescence markers remote: obsoleted 1 changesets remote: 1 new orphan changesets ## post push state # obstore: main 28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'} 6e72f0a95b5e01a7504743aa941f69cb1fbef8b0 f6298a8ac3a4b78bbeae5f1d3dc5bc3c3812f0f3 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'} # obstore: pushdest 28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'} # obstore: pulldest ## pulling "e5ea8f9c7314" from main into pulldest pulling from main searching for changes adding changesets adding manifests adding file changes added 1 changesets with 1 changes to 1 files (+1 heads) 1 new obsolescence markers obsoleted 1 changesets 1 new orphan changesets new changesets e5ea8f9c7314 (1 drafts) (run 'hg heads' to see heads, 'hg merge' to merge) ## post pull state # obstore: main 28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'} 6e72f0a95b5e01a7504743aa941f69cb1fbef8b0 f6298a8ac3a4b78bbeae5f1d3dc5bc3c3812f0f3 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'} # obstore: pushdest 28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'} # obstore: pulldest 28b51eb45704506b5c603decd6bf7ac5e0f6a52f e5ea8f9c73143125d36658e90ef70c6d2027a5b7 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}