Mercurial > hg
view tests/test-mq-header-date.t @ 44386:8f7c6656ac79
rust-nodemap: pure Rust example
To run, use `cargo run --release --example nodemap`
This demonstrates that simple scenarios entirely written
in Rust can content themselves with `NodeTree<T>`.
The example mmaps both the nodemap file and the changelog index.
We had of course to include an implementation of `RevlogIndex`
directly, which isn't much at this stage. It felt a bit
prematurate to include it in the lib.
Here are some first performance measurements, obtained with
this example, on a clone of mozilla-central with 440000
changesets:
(create) Nodemap constructed in RAM in 153.638305ms
(query CAE63161B68962) found in 22.362us: Ok(Some(269489))
(bench) Did 3 queries in 36.418µs (mean 12.139µs)
(bench) Did 50 queries in 184.318µs (mean 3.686µs)
(bench) Did 100000 queries in 31.053461ms (mean 310ns)
To be fair, even between bench runs, results tend to depend whether
the file is still in kernel caches, and it's not so easy to
get back to a real cold start. The worst we've seen was in the
50us ballpark.
In any busy server setting, the pages would always be in RAM.
We hope it's good enough not to be significantly slower on any
concrete Mercurial operation than the C nodetree when fully in RAM,
and of course this implementation has the serious headstart advantage
of persistence.
Differential Revision: https://phab.mercurial-scm.org/D7797
author | Georges Racinet <georges.racinet@octobus.net> |
---|---|
date | Tue, 18 Feb 2020 19:11:15 +0100 |
parents | 88e7105b5cd9 |
children |
line wrap: on
line source
$ cat <<EOF >> $HGRCPATH > [extensions] > mq = > [diff] > nodates = true > EOF $ catpatch() { > cat .hg/patches/$1.patch | sed -e "s/^diff \-r [0-9a-f]* /diff -r ... /" \ > -e "s/^\(# Parent \).*/\1/" > } $ catlog() { > catpatch $1 > hg log --template "{rev}: {node|short} {desc} - {author}\n" > } $ catlogd() { > catpatch $1 > hg log --template "{rev}: {node|short} {desc} - {author} - {date}\n" > } $ drop() { > hg qpop > hg qdel $1.patch > } $ runtest() { > echo ==== init > hg init a > cd a > hg qinit > > > echo ==== qnew -d > hg qnew -d '3 0' 1.patch > catlogd 1 > > echo ==== qref > echo "1" >1 > hg add > hg qref > catlogd 1 > > echo ==== qref -d > hg qref -d '4 0' > catlogd 1 > > > echo ==== qnew > hg qnew 2.patch > echo "2" >2 > hg add > hg qref > catlog 2 > > echo ==== qref -d > hg qref -d '5 0' > catlog 2 > > drop 2 > > > echo ==== qnew -d -m > hg qnew -d '6 0' -m "Three" 3.patch > catlogd 3 > > echo ==== qref > echo "3" >3 > hg add > hg qref > catlogd 3 > > echo ==== qref -m > hg qref -m "Drei" > catlogd 3 > > echo ==== qref -d > hg qref -d '7 0' > catlogd 3 > > echo ==== qref -d -m > hg qref -d '8 0' -m "Three (again)" > catlogd 3 > > > echo ==== qnew -m > hg qnew -m "Four" 4.patch > echo "4" >4 > hg add > hg qref > catlog 4 > > echo ==== qref -d > hg qref -d '9 0' > catlog 4 > > drop 4 > > > echo ==== qnew with HG header > hg qnew --config 'mq.plain=true' 5.patch > hg qpop > echo "# HG changeset patch" >>.hg/patches/5.patch > echo "# Date 10 0" >>.hg/patches/5.patch > hg qpush 2>&1 | grep 'Now at' > catlogd 5 > > echo ==== hg qref > echo "5" >5 > hg add > hg qref > catlogd 5 > > echo ==== hg qref -d > hg qref -d '11 0' > catlogd 5 > > > echo ==== qnew with plain header > hg qnew --config 'mq.plain=true' -d '12 0' 6.patch > hg qpop > hg qpush 2>&1 | grep 'now at' > catlog 6 > > echo ==== hg qref > echo "6" >6 > hg add > hg qref > catlogd 6 > > echo ==== hg qref -d > hg qref -d '13 0' > catlogd 6 > > drop 6 > > > echo ==== qnew -u > hg qnew -u jane 6.patch > echo "6" >6 > hg add > hg qref > catlog 6 > > echo ==== qref -d > hg qref -d '12 0' > catlog 6 > > drop 6 > > > echo ==== qnew -d > hg qnew -d '13 0' 7.patch > echo "7" >7 > hg add > hg qref > catlog 7 > > echo ==== qref -u > hg qref -u john > catlogd 7 > > > echo ==== qnew > hg qnew 8.patch > echo "8" >8 > hg add > hg qref > catlog 8 > > echo ==== qref -u -d > hg qref -u john -d '14 0' > catlog 8 > > drop 8 > > > echo ==== qnew -m > hg qnew -m "Nine" 9.patch > echo "9" >9 > hg add > hg qref > catlog 9 > > echo ==== qref -u -d > hg qref -u john -d '15 0' > catlog 9 > > drop 9 > > > echo ==== "qpop -a / qpush -a" > hg qpop -a > hg qpush -a > hg log --template "{rev}: {node|short} {desc} - {author} - {date}\n" > } ======= plain headers $ echo "[mq]" >> $HGRCPATH $ echo "plain=true" >> $HGRCPATH $ mkdir sandbox $ (cd sandbox ; runtest) ==== init ==== qnew -d Date: 3 0 0: 758bd2596a39 [mq]: 1.patch - test - 3.00 ==== qref adding 1 Date: 3 0 diff -r ... 1 --- /dev/null +++ b/1 @@ -0,0 +1,1 @@ +1 0: 8c640e9949a8 [mq]: 1.patch - test - 3.00 ==== qref -d Date: 4 0 diff -r ... 1 --- /dev/null +++ b/1 @@ -0,0 +1,1 @@ +1 0: 4a67dfeea974 [mq]: 1.patch - test - 4.00 ==== qnew adding 2 diff -r ... 2 --- /dev/null +++ b/2 @@ -0,0 +1,1 @@ +2 1: fc7e8a2f6499 [mq]: 2.patch - test 0: 4a67dfeea974 [mq]: 1.patch - test ==== qref -d Date: 5 0 diff -r ... 2 --- /dev/null +++ b/2 @@ -0,0 +1,1 @@ +2 1: 1d9a6a118fd1 [mq]: 2.patch - test 0: 4a67dfeea974 [mq]: 1.patch - test popping 2.patch now at: 1.patch ==== qnew -d -m Date: 6 0 Three 1: 2a9ef0bdefba Three - test - 6.00 0: 4a67dfeea974 [mq]: 1.patch - test - 4.00 ==== qref adding 3 Date: 6 0 Three diff -r ... 3 --- /dev/null +++ b/3 @@ -0,0 +1,1 @@ +3 1: 7f19ad9eea7b Three - test - 6.00 0: 4a67dfeea974 [mq]: 1.patch - test - 4.00 ==== qref -m Date: 6 0 Drei diff -r ... 3 --- /dev/null +++ b/3 @@ -0,0 +1,1 @@ +3 1: 7ff7377793e3 Drei - test - 6.00 0: 4a67dfeea974 [mq]: 1.patch - test - 4.00 ==== qref -d Date: 7 0 Drei diff -r ... 3 --- /dev/null +++ b/3 @@ -0,0 +1,1 @@ +3 1: d89d3144f518 Drei - test - 7.00 0: 4a67dfeea974 [mq]: 1.patch - test - 4.00 ==== qref -d -m Date: 8 0 Three (again) diff -r ... 3 --- /dev/null +++ b/3 @@ -0,0 +1,1 @@ +3 1: b1b6b0fe0e6d Three (again) - test - 8.00 0: 4a67dfeea974 [mq]: 1.patch - test - 4.00 ==== qnew -m adding 4 Four diff -r ... 4 --- /dev/null +++ b/4 @@ -0,0 +1,1 @@ +4 2: 74ded07d166b Four - test 1: b1b6b0fe0e6d Three (again) - test 0: 4a67dfeea974 [mq]: 1.patch - test ==== qref -d Date: 9 0 Four diff -r ... 4 --- /dev/null +++ b/4 @@ -0,0 +1,1 @@ +4 2: 1a651320cf8e Four - test 1: b1b6b0fe0e6d Three (again) - test 0: 4a67dfeea974 [mq]: 1.patch - test popping 4.patch now at: 3.patch ==== qnew with HG header popping 5.patch now at: 3.patch # HG changeset patch # Date 10 0 2: d16a272220d2 imported patch 5.patch - test - 10.00 1: b1b6b0fe0e6d Three (again) - test - 8.00 0: 4a67dfeea974 [mq]: 1.patch - test - 4.00 ==== hg qref adding 5 # HG changeset patch # Date 10 0 # Parent diff -r ... 5 --- /dev/null +++ b/5 @@ -0,0 +1,1 @@ +5 2: 5dbf69c07df9 [mq]: 5.patch - test - 10.00 1: b1b6b0fe0e6d Three (again) - test - 8.00 0: 4a67dfeea974 [mq]: 1.patch - test - 4.00 ==== hg qref -d # HG changeset patch # Date 11 0 # Parent diff -r ... 5 --- /dev/null +++ b/5 @@ -0,0 +1,1 @@ +5 2: 049de6af0c1d [mq]: 5.patch - test - 11.00 1: b1b6b0fe0e6d Three (again) - test - 8.00 0: 4a67dfeea974 [mq]: 1.patch - test - 4.00 ==== qnew with plain header popping 6.patch now at: 5.patch now at: 6.patch Date: 12 0 3: 8ad9ebc22b96 imported patch 6.patch - test 2: 049de6af0c1d [mq]: 5.patch - test 1: b1b6b0fe0e6d Three (again) - test 0: 4a67dfeea974 [mq]: 1.patch - test ==== hg qref adding 6 Date: 12 0 diff -r ... 6 --- /dev/null +++ b/6 @@ -0,0 +1,1 @@ +6 3: 038c46b02a56 [mq]: 6.patch - test - 12.00 2: 049de6af0c1d [mq]: 5.patch - test - 11.00 1: b1b6b0fe0e6d Three (again) - test - 8.00 0: 4a67dfeea974 [mq]: 1.patch - test - 4.00 ==== hg qref -d Date: 13 0 diff -r ... 6 --- /dev/null +++ b/6 @@ -0,0 +1,1 @@ +6 3: 2785642ea4b4 [mq]: 6.patch - test - 13.00 2: 049de6af0c1d [mq]: 5.patch - test - 11.00 1: b1b6b0fe0e6d Three (again) - test - 8.00 0: 4a67dfeea974 [mq]: 1.patch - test - 4.00 popping 6.patch now at: 5.patch ==== qnew -u adding 6 From: jane diff -r ... 6 --- /dev/null +++ b/6 @@ -0,0 +1,1 @@ +6 3: a05a33f187ce [mq]: 6.patch - jane 2: 049de6af0c1d [mq]: 5.patch - test 1: b1b6b0fe0e6d Three (again) - test 0: 4a67dfeea974 [mq]: 1.patch - test ==== qref -d From: jane Date: 12 0 diff -r ... 6 --- /dev/null +++ b/6 @@ -0,0 +1,1 @@ +6 3: 5702c529dfe9 [mq]: 6.patch - jane 2: 049de6af0c1d [mq]: 5.patch - test 1: b1b6b0fe0e6d Three (again) - test 0: 4a67dfeea974 [mq]: 1.patch - test popping 6.patch now at: 5.patch ==== qnew -d adding 7 Date: 13 0 diff -r ... 7 --- /dev/null +++ b/7 @@ -0,0 +1,1 @@ +7 3: 8dd1eb8d4132 [mq]: 7.patch - test 2: 049de6af0c1d [mq]: 5.patch - test 1: b1b6b0fe0e6d Three (again) - test 0: 4a67dfeea974 [mq]: 1.patch - test ==== qref -u From: john Date: 13 0 diff -r ... 7 --- /dev/null +++ b/7 @@ -0,0 +1,1 @@ +7 3: 4f9d07369cc4 [mq]: 7.patch - john - 13.00 2: 049de6af0c1d [mq]: 5.patch - test - 11.00 1: b1b6b0fe0e6d Three (again) - test - 8.00 0: 4a67dfeea974 [mq]: 1.patch - test - 4.00 ==== qnew adding 8 diff -r ... 8 --- /dev/null +++ b/8 @@ -0,0 +1,1 @@ +8 4: 868b62f09492 [mq]: 8.patch - test 3: 4f9d07369cc4 [mq]: 7.patch - john 2: 049de6af0c1d [mq]: 5.patch - test 1: b1b6b0fe0e6d Three (again) - test 0: 4a67dfeea974 [mq]: 1.patch - test ==== qref -u -d From: john Date: 14 0 diff -r ... 8 --- /dev/null +++ b/8 @@ -0,0 +1,1 @@ +8 4: b1e878ae55b9 [mq]: 8.patch - john 3: 4f9d07369cc4 [mq]: 7.patch - john 2: 049de6af0c1d [mq]: 5.patch - test 1: b1b6b0fe0e6d Three (again) - test 0: 4a67dfeea974 [mq]: 1.patch - test popping 8.patch now at: 7.patch ==== qnew -m adding 9 Nine diff -r ... 9 --- /dev/null +++ b/9 @@ -0,0 +1,1 @@ +9 4: 7251936ac2bf Nine - test 3: 4f9d07369cc4 [mq]: 7.patch - john 2: 049de6af0c1d [mq]: 5.patch - test 1: b1b6b0fe0e6d Three (again) - test 0: 4a67dfeea974 [mq]: 1.patch - test ==== qref -u -d From: john Date: 15 0 Nine diff -r ... 9 --- /dev/null +++ b/9 @@ -0,0 +1,1 @@ +9 4: a0de5bf6e9f7 Nine - john 3: 4f9d07369cc4 [mq]: 7.patch - john 2: 049de6af0c1d [mq]: 5.patch - test 1: b1b6b0fe0e6d Three (again) - test 0: 4a67dfeea974 [mq]: 1.patch - test popping 9.patch now at: 7.patch ==== qpop -a / qpush -a popping 7.patch popping 5.patch popping 3.patch popping 1.patch patch queue now empty applying 1.patch applying 3.patch applying 5.patch applying 7.patch now at: 7.patch 3: d26a5b7ffce1 imported patch 7.patch - john - 13.00 2: dda6cf77060a imported patch 5.patch - test - 11.00 1: 25e32d66c8c7 Three (again) - test - 8.00 0: e5011c0211fe imported patch 1.patch - test - 4.00 $ rm -r sandbox ======= hg headers $ echo "plain=false" >> $HGRCPATH $ mkdir sandbox $ (cd sandbox ; runtest) ==== init ==== qnew -d # HG changeset patch # Date 3 0 # Parent 0: 758bd2596a39 [mq]: 1.patch - test - 3.00 ==== qref adding 1 # HG changeset patch # Date 3 0 # Parent diff -r ... 1 --- /dev/null +++ b/1 @@ -0,0 +1,1 @@ +1 0: 8c640e9949a8 [mq]: 1.patch - test - 3.00 ==== qref -d # HG changeset patch # Date 4 0 # Parent diff -r ... 1 --- /dev/null +++ b/1 @@ -0,0 +1,1 @@ +1 0: 4a67dfeea974 [mq]: 1.patch - test - 4.00 ==== qnew adding 2 # HG changeset patch # Parent diff -r ... 2 --- /dev/null +++ b/2 @@ -0,0 +1,1 @@ +2 1: fc7e8a2f6499 [mq]: 2.patch - test 0: 4a67dfeea974 [mq]: 1.patch - test ==== qref -d # HG changeset patch # Date 5 0 # Parent diff -r ... 2 --- /dev/null +++ b/2 @@ -0,0 +1,1 @@ +2 1: 1d9a6a118fd1 [mq]: 2.patch - test 0: 4a67dfeea974 [mq]: 1.patch - test popping 2.patch now at: 1.patch ==== qnew -d -m # HG changeset patch # Date 6 0 # Parent Three 1: 2a9ef0bdefba Three - test - 6.00 0: 4a67dfeea974 [mq]: 1.patch - test - 4.00 ==== qref adding 3 # HG changeset patch # Date 6 0 # Parent Three diff -r ... 3 --- /dev/null +++ b/3 @@ -0,0 +1,1 @@ +3 1: 7f19ad9eea7b Three - test - 6.00 0: 4a67dfeea974 [mq]: 1.patch - test - 4.00 ==== qref -m # HG changeset patch # Date 6 0 # Parent Drei diff -r ... 3 --- /dev/null +++ b/3 @@ -0,0 +1,1 @@ +3 1: 7ff7377793e3 Drei - test - 6.00 0: 4a67dfeea974 [mq]: 1.patch - test - 4.00 ==== qref -d # HG changeset patch # Date 7 0 # Parent Drei diff -r ... 3 --- /dev/null +++ b/3 @@ -0,0 +1,1 @@ +3 1: d89d3144f518 Drei - test - 7.00 0: 4a67dfeea974 [mq]: 1.patch - test - 4.00 ==== qref -d -m # HG changeset patch # Date 8 0 # Parent Three (again) diff -r ... 3 --- /dev/null +++ b/3 @@ -0,0 +1,1 @@ +3 1: b1b6b0fe0e6d Three (again) - test - 8.00 0: 4a67dfeea974 [mq]: 1.patch - test - 4.00 ==== qnew -m adding 4 # HG changeset patch # Parent Four diff -r ... 4 --- /dev/null +++ b/4 @@ -0,0 +1,1 @@ +4 2: 74ded07d166b Four - test 1: b1b6b0fe0e6d Three (again) - test 0: 4a67dfeea974 [mq]: 1.patch - test ==== qref -d # HG changeset patch # Date 9 0 # Parent Four diff -r ... 4 --- /dev/null +++ b/4 @@ -0,0 +1,1 @@ +4 2: 1a651320cf8e Four - test 1: b1b6b0fe0e6d Three (again) - test 0: 4a67dfeea974 [mq]: 1.patch - test popping 4.patch now at: 3.patch ==== qnew with HG header popping 5.patch now at: 3.patch # HG changeset patch # Date 10 0 2: d16a272220d2 imported patch 5.patch - test - 10.00 1: b1b6b0fe0e6d Three (again) - test - 8.00 0: 4a67dfeea974 [mq]: 1.patch - test - 4.00 ==== hg qref adding 5 # HG changeset patch # Date 10 0 # Parent diff -r ... 5 --- /dev/null +++ b/5 @@ -0,0 +1,1 @@ +5 2: 5dbf69c07df9 [mq]: 5.patch - test - 10.00 1: b1b6b0fe0e6d Three (again) - test - 8.00 0: 4a67dfeea974 [mq]: 1.patch - test - 4.00 ==== hg qref -d # HG changeset patch # Date 11 0 # Parent diff -r ... 5 --- /dev/null +++ b/5 @@ -0,0 +1,1 @@ +5 2: 049de6af0c1d [mq]: 5.patch - test - 11.00 1: b1b6b0fe0e6d Three (again) - test - 8.00 0: 4a67dfeea974 [mq]: 1.patch - test - 4.00 ==== qnew with plain header popping 6.patch now at: 5.patch now at: 6.patch Date: 12 0 3: 8ad9ebc22b96 imported patch 6.patch - test 2: 049de6af0c1d [mq]: 5.patch - test 1: b1b6b0fe0e6d Three (again) - test 0: 4a67dfeea974 [mq]: 1.patch - test ==== hg qref adding 6 Date: 12 0 diff -r ... 6 --- /dev/null +++ b/6 @@ -0,0 +1,1 @@ +6 3: 038c46b02a56 [mq]: 6.patch - test - 12.00 2: 049de6af0c1d [mq]: 5.patch - test - 11.00 1: b1b6b0fe0e6d Three (again) - test - 8.00 0: 4a67dfeea974 [mq]: 1.patch - test - 4.00 ==== hg qref -d Date: 13 0 diff -r ... 6 --- /dev/null +++ b/6 @@ -0,0 +1,1 @@ +6 3: 2785642ea4b4 [mq]: 6.patch - test - 13.00 2: 049de6af0c1d [mq]: 5.patch - test - 11.00 1: b1b6b0fe0e6d Three (again) - test - 8.00 0: 4a67dfeea974 [mq]: 1.patch - test - 4.00 popping 6.patch now at: 5.patch ==== qnew -u adding 6 # HG changeset patch # User jane # Parent diff -r ... 6 --- /dev/null +++ b/6 @@ -0,0 +1,1 @@ +6 3: a05a33f187ce [mq]: 6.patch - jane 2: 049de6af0c1d [mq]: 5.patch - test 1: b1b6b0fe0e6d Three (again) - test 0: 4a67dfeea974 [mq]: 1.patch - test ==== qref -d # HG changeset patch # User jane # Date 12 0 # Parent diff -r ... 6 --- /dev/null +++ b/6 @@ -0,0 +1,1 @@ +6 3: 5702c529dfe9 [mq]: 6.patch - jane 2: 049de6af0c1d [mq]: 5.patch - test 1: b1b6b0fe0e6d Three (again) - test 0: 4a67dfeea974 [mq]: 1.patch - test popping 6.patch now at: 5.patch ==== qnew -d adding 7 # HG changeset patch # Date 13 0 # Parent diff -r ... 7 --- /dev/null +++ b/7 @@ -0,0 +1,1 @@ +7 3: 8dd1eb8d4132 [mq]: 7.patch - test 2: 049de6af0c1d [mq]: 5.patch - test 1: b1b6b0fe0e6d Three (again) - test 0: 4a67dfeea974 [mq]: 1.patch - test ==== qref -u # HG changeset patch # User john # Date 13 0 # Parent diff -r ... 7 --- /dev/null +++ b/7 @@ -0,0 +1,1 @@ +7 3: 4f9d07369cc4 [mq]: 7.patch - john - 13.00 2: 049de6af0c1d [mq]: 5.patch - test - 11.00 1: b1b6b0fe0e6d Three (again) - test - 8.00 0: 4a67dfeea974 [mq]: 1.patch - test - 4.00 ==== qnew adding 8 # HG changeset patch # Parent diff -r ... 8 --- /dev/null +++ b/8 @@ -0,0 +1,1 @@ +8 4: 868b62f09492 [mq]: 8.patch - test 3: 4f9d07369cc4 [mq]: 7.patch - john 2: 049de6af0c1d [mq]: 5.patch - test 1: b1b6b0fe0e6d Three (again) - test 0: 4a67dfeea974 [mq]: 1.patch - test ==== qref -u -d # HG changeset patch # User john # Date 14 0 # Parent diff -r ... 8 --- /dev/null +++ b/8 @@ -0,0 +1,1 @@ +8 4: b1e878ae55b9 [mq]: 8.patch - john 3: 4f9d07369cc4 [mq]: 7.patch - john 2: 049de6af0c1d [mq]: 5.patch - test 1: b1b6b0fe0e6d Three (again) - test 0: 4a67dfeea974 [mq]: 1.patch - test popping 8.patch now at: 7.patch ==== qnew -m adding 9 # HG changeset patch # Parent Nine diff -r ... 9 --- /dev/null +++ b/9 @@ -0,0 +1,1 @@ +9 4: 7251936ac2bf Nine - test 3: 4f9d07369cc4 [mq]: 7.patch - john 2: 049de6af0c1d [mq]: 5.patch - test 1: b1b6b0fe0e6d Three (again) - test 0: 4a67dfeea974 [mq]: 1.patch - test ==== qref -u -d # HG changeset patch # User john # Date 15 0 # Parent Nine diff -r ... 9 --- /dev/null +++ b/9 @@ -0,0 +1,1 @@ +9 4: a0de5bf6e9f7 Nine - john 3: 4f9d07369cc4 [mq]: 7.patch - john 2: 049de6af0c1d [mq]: 5.patch - test 1: b1b6b0fe0e6d Three (again) - test 0: 4a67dfeea974 [mq]: 1.patch - test popping 9.patch now at: 7.patch ==== qpop -a / qpush -a popping 7.patch popping 5.patch popping 3.patch popping 1.patch patch queue now empty applying 1.patch applying 3.patch applying 5.patch applying 7.patch now at: 7.patch 3: d26a5b7ffce1 imported patch 7.patch - john - 13.00 2: dda6cf77060a imported patch 5.patch - test - 11.00 1: 25e32d66c8c7 Three (again) - test - 8.00 0: e5011c0211fe imported patch 1.patch - test - 4.00 $ rm -r sandbox