upstream/mercurial-mirror Files · mercurial/templates/paper/graph.tmpl

discovery: slowly increase sampling size...

discovery: slowly increase sampling size Some pathological discovery runs can requires many roundtrip. When this happens things can get very slow. To make the algorithm more resilience again such pathological case. We slowly increase the sample size with each roundtrip (+5%). This will have a negligible impact on "normal" discovery with few roundtrips, but a large positive impact of case with many roundtrips. Asking more question per roundtrip helps to reduce the undecided set faster. Instead of reducing the undecided set a linear speed (in the worst case), we reduce it as a guaranteed (small) exponential rate. The data below show this slow ramp up in sample size: round trip | 1 | 5 | 10 | 20 | 50 | 100 | 130 | sample size | 200 | 254 | 321 | 517 | 2 199 | 25 123 | 108 549 | covered nodes | 200 | 1 357 | 2 821 | 7 031 | 42 658 | 524 530 | 2 276 755 | To be a bit more concrete, lets take a very pathological case as an example. We are doing discovery from a copy of Mozilla-try to a more recent version of mozilla-unified. Mozilla-unified heads are unknown to the mozilla-try repo and there are over 1 million "missing" changesets. (the discovery is "local" to avoid network interference) Without this change, the discovery: - last 1858 seconds (31 minutes), - does 1700 round trip, - asking about 340 000 nodes. With this change, the discovery: - last 218 seconds (3 minutes, 38 seconds a -88% improvement), - does 94 round trip (-94%), - asking about 344 211 nodes (+1%). Of course, this is an extreme case (and 3 minutes is still slow). However this give a good example of how this sample size increase act as a safety net catching any bad situations. We could image a steeper increase than 5%. For example 10% would give the following number: round trip | 1 | 5 | 10 | 20 | 50 | 75 | 100 | sample size | 200 | 321 | 514 | 1 326 | 23 060 | 249 812 | 2 706 594 | covered nodes | 200 | 1 541 | 3 690 | 12 671 | 251 871 | 2 746 254 | 29 770 966 | In parallel, it is useful to understand these pathological cases and improve them. However the current change provides a general purpose safety net to smooth the impact of pathological cases. To avoid issue with older http server, the increase in sample size only occurs if the protocol has not limit on command argument size.

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        Dan Villiom Podlaski Christiansen
    
setup: install translation files as package data...

              r9999
            
      {header}

      <title>{repo|escape}: revision graph</title>

      <link rel="alternate" type="application/atom+xml"

        Thomas Arendsen Hein
    
hgweb: urlescape all urls, HTML escape repo/tag/branch/... names...

              r18526
            
         href="{url|urlescape}atom-log" title="Atom feed for {repo|escape}: log" />

        Dan Villiom Podlaski Christiansen
    
setup: install translation files as package data...

              r9999
            
      <link rel="alternate" type="application/rss+xml"

        Thomas Arendsen Hein
    
hgweb: urlescape all urls, HTML escape repo/tag/branch/... names...

              r18526
            
         href="{url|urlescape}rss-log" title="RSS feed for {repo|escape}: log" />

        Dan Villiom Podlaski Christiansen
    
setup: install translation files as package data...

              r9999
            
      </head>

      <body>

      <div class="container">

      <div class="menu">

      <div class="logo">

        Steven Stallion
    
hgweb: support alternate logo url...

              r13964
            
      <a href="{logourl}">

        Thomas Arendsen Hein
    
hgweb: urlescape all urls, HTML escape repo/tag/branch/... names...

              r18526
            
      <img src="{staticurl|urlescape}{logoimg}" alt="mercurial" /></a>

        Dan Villiom Podlaski Christiansen
    
setup: install translation files as package data...

              r9999
            
      </div>

      <ul>

        av6
    
hgweb: don't dereference symbolic revision in paper & coal style (issue2296)...

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      <li><a href="{url|urlescape}shortlog/{symrev}{sessionvars%urlparameter}">log</a></li>

        Dan Villiom Podlaski Christiansen
    
setup: install translation files as package data...

              r9999
            
      <li class="active">graph</li>

        Thomas Arendsen Hein
    
hgweb: urlescape all urls, HTML escape repo/tag/branch/... names...

              r18526
            
      <li><a href="{url|urlescape}tags{sessionvars%urlparameter}">tags</a></li>

      <li><a href="{url|urlescape}bookmarks{sessionvars%urlparameter}">bookmarks</a></li>

      <li><a href="{url|urlescape}branches{sessionvars%urlparameter}">branches</a></li>

        Dan Villiom Podlaski Christiansen
    
setup: install translation files as package data...

              r9999
            
      </ul>

      <ul>

        av6
    
hgweb: don't dereference symbolic revision in paper & coal style (issue2296)...

              r25606
            
      <li><a href="{url|urlescape}rev/{symrev}{sessionvars%urlparameter}">changeset</a></li>

      <li><a href="{url|urlescape}file/{symrev}{path|urlescape}{sessionvars%urlparameter}">browse</a></li>

        Dan Villiom Podlaski Christiansen
    
setup: install translation files as package data...

              r9999
            
      </ul>

        Augie Fackler
    
web: add a help view for getting hg help output

              r12666
            
      <ul>

        av6
    
hgweb: add archive entries to graph page...

              r38501
            
      {archives%archiveentry}

      </ul>

      <ul>

        Thomas Arendsen Hein
    
hgweb: urlescape all urls, HTML escape repo/tag/branch/... names...

              r18526
            
       <li><a href="{url|urlescape}help{sessionvars%urlparameter}">help</a></li>

        Augie Fackler
    
web: add a help view for getting hg help output

              r12666
            
      </ul>

        Angel Ezquerra
    
hgweb: add (Atom) subscribe link to the main paper template pages...

              r18200
            
      <div class="atom-logo">

        Thomas Arendsen Hein
    
hgweb: urlescape all urls, HTML escape repo/tag/branch/... names...

              r18526
            
      <a href="{url|urlescape}atom-log" title="subscribe to atom feed">

        Anton Shestakov
    
hgweb: close <img> elements...

              r23830
            
      <img class="atom-logo" src="{staticurl|urlescape}feed-icon-14x14.png" alt="atom feed" />

        Angel Ezquerra
    
hgweb: add (Atom) subscribe link to the main paper template pages...

              r18200
            
      </a>

      </div>

        Dan Villiom Podlaski Christiansen
    
setup: install translation files as package data...

              r9999
            
      </div>

      <div class="main">

        Angel Ezquerra <angel.ezquerra at gmail.com>
    
hgweb: add a "URL breadcrumb" to the index and repository pages...

              r18258
            
      <h2 class="breadcrumb"><a href="/">Mercurial</a> {pathdef%breadcrumb}</h2>

        Dan Villiom Podlaski Christiansen
    
setup: install translation files as package data...

              r9999
            
      <h3>graph</h3>

        Gregory Szorc
    
hgweb: consolidate search form for paper...

              r32758
            
      {searchform}

        Dan Villiom Podlaski Christiansen
    
setup: install translation files as package data...

              r9999
            
      <div class="navigate">

        av6
    
hgweb: don't dereference symbolic revision in paper & coal style (issue2296)...

              r25606
            
      <a href="{url|urlescape}graph/{symrev}{lessvars%urlparameter}">less</a>

      <a href="{url|urlescape}graph/{symrev}{morevars%urlparameter}">more</a>

        Nicolas Dumazet
    
hgweb: changenav: separate pages before and after the current position...

              r10254
            
      | rev {rev}: {changenav%navgraph}

        Dan Villiom Podlaski Christiansen
    
setup: install translation files as package data...

              r9999
            
      </div>

      <noscript><p>The revision graph only works with JavaScript-enabled browsers.</p></noscript>

      <div id="wrapper">

        av6
    
hgweb: calculate <canvas> width and height client-side...

              r35408
            
      <canvas id="graph"></canvas>

        av6
    
paper: make actual changeset entries have backgrounds on /graph...

              r35547
            
      <ul id="graphnodes" class="stripes2">{nodes%graphentry}</ul>

        Dan Villiom Podlaski Christiansen
    
setup: install translation files as package data...

              r9999
            
      </div>

        Gregory Szorc
    
hgweb: support Content Security Policy...

              r30766
            
      <script type="text/javascript"{if(nonce, ' nonce="{nonce}"')}>

        Dan Villiom Podlaski Christiansen
    
setup: install translation files as package data...

              r9999
            
      var data = {jsdata|json};

      var graph = new Graph();

      graph.scale({bg_height});

      graph.render(data);

      </script>

      <div class="navigate">

        av6
    
hgweb: don't dereference symbolic revision in paper & coal style (issue2296)...

              r25606
            
      <a href="{url|urlescape}graph/{symrev}{lessvars%urlparameter}">less</a>

      <a href="{url|urlescape}graph/{symrev}{morevars%urlparameter}">more</a>

        Nicolas Dumazet
    
hgweb: changenav: separate pages before and after the current position...

              r10254
            
      | rev {rev}: {changenav%navgraph}

        Dan Villiom Podlaski Christiansen
    
setup: install translation files as package data...

              r9999
            
      </div>

        Gregory Szorc
    
hgweb: support Content Security Policy...

              r30766
            
      <script type="text/javascript"{if(nonce, ' nonce="{nonce}"')}>

        Alexander Plavin
    
paper: add infinite scrolling to graph by calling ajaxScrollInit at the page

              r19783
            
          ajaxScrollInit(

        av6
    
hgweb: render next pages on /graph incrementally...

              r35410
            
                  '{url|urlescape}graph/%next%{graphvars%urlparameter}',

                  '{nextentry%"{node}"}', <!-- NEXTHASH

        av6
    
hgweb: remove unused second argument of nextPageVarGet()...

              r35672
            
                  function (htmlText) \{

        av6
    
hgweb: render next pages on /graph incrementally...

              r35410
            
                      var m = htmlText.match(/'(\w+)', <!-- NEXTHASH/);

                      return m ? m[1] : null;

                  },

        Alexander Plavin
    
paper: add infinite scrolling to graph by calling ajaxScrollInit at the page

              r19783
            
                  '#wrapper',

                  '<div class="%class%" style="text-align: center;">%text%</div>',

                  'graph'

          );

      </script>

        Dan Villiom Podlaski Christiansen
    
setup: install translation files as package data...

              r9999
            
      </div>

      </div>

      {footer}

	Site-wide shortcuts
/	Use quick search box
g h	Goto home page
g g	Goto my private gists page
g G	Goto my public gists page
g 0-9	Goto bookmarked items from 0-9
n r	New repository page
n g	New gist page

	Repositories
g s	Goto summary page
g c	Goto changelog page
g f	Goto files page
g F	Goto files page with file search activated
g p	Goto pull requests page
g o	Goto repository settings
g O	Goto repository access permissions settings
t s	Toggle sidebar on some pages

Dan Villiom Podlaski Christiansen setup: install translation files as package data...	r9999	{header}
		<title>{repo\|escape}: revision graph</title>
		<link rel="alternate" type="application/atom+xml"
Thomas Arendsen Hein hgweb: urlescape all urls, HTML escape repo/tag/branch/... names...	r18526	href="{url\|urlescape}atom-log" title="Atom feed for {repo\|escape}: log" />
Dan Villiom Podlaski Christiansen setup: install translation files as package data...	r9999	<link rel="alternate" type="application/rss+xml"
Thomas Arendsen Hein hgweb: urlescape all urls, HTML escape repo/tag/branch/... names...	r18526	href="{url\|urlescape}rss-log" title="RSS feed for {repo\|escape}: log" />
Dan Villiom Podlaski Christiansen setup: install translation files as package data...	r9999	</head>
		<body>

		<div class="container">
		<div class="menu">
		<div class="logo">
Steven Stallion hgweb: support alternate logo url...	r13964	<a href="{logourl}">
Thomas Arendsen Hein hgweb: urlescape all urls, HTML escape repo/tag/branch/... names...	r18526	<img src="{staticurl\|urlescape}{logoimg}" alt="mercurial" /></a>
Dan Villiom Podlaski Christiansen setup: install translation files as package data...	r9999	</div>
		<ul>
av6 hgweb: don't dereference symbolic revision in paper & coal style (issue2296)...	r25606	<li><a href="{url\|urlescape}shortlog/{symrev}{sessionvars%urlparameter}">log</a></li>
Dan Villiom Podlaski Christiansen setup: install translation files as package data...	r9999	<li class="active">graph</li>
Thomas Arendsen Hein hgweb: urlescape all urls, HTML escape repo/tag/branch/... names...	r18526	<li><a href="{url\|urlescape}tags{sessionvars%urlparameter}">tags</a></li>
		<li><a href="{url\|urlescape}bookmarks{sessionvars%urlparameter}">bookmarks</a></li>
		<li><a href="{url\|urlescape}branches{sessionvars%urlparameter}">branches</a></li>
Dan Villiom Podlaski Christiansen setup: install translation files as package data...	r9999	</ul>
		<ul>
av6 hgweb: don't dereference symbolic revision in paper & coal style (issue2296)...	r25606	<li><a href="{url\|urlescape}rev/{symrev}{sessionvars%urlparameter}">changeset</a></li>
		<li><a href="{url\|urlescape}file/{symrev}{path\|urlescape}{sessionvars%urlparameter}">browse</a></li>
Dan Villiom Podlaski Christiansen setup: install translation files as package data...	r9999	</ul>
Augie Fackler web: add a help view for getting hg help output	r12666	<ul>
av6 hgweb: add archive entries to graph page...	r38501	{archives%archiveentry}
		</ul>
		<ul>
Thomas Arendsen Hein hgweb: urlescape all urls, HTML escape repo/tag/branch/... names...	r18526	<li><a href="{url\|urlescape}help{sessionvars%urlparameter}">help</a></li>
Augie Fackler web: add a help view for getting hg help output	r12666	</ul>
Angel Ezquerra hgweb: add (Atom) subscribe link to the main paper template pages...	r18200	<div class="atom-logo">
Thomas Arendsen Hein hgweb: urlescape all urls, HTML escape repo/tag/branch/... names...	r18526	<a href="{url\|urlescape}atom-log" title="subscribe to atom feed">
Anton Shestakov hgweb: close <img> elements...	r23830	<img class="atom-logo" src="{staticurl\|urlescape}feed-icon-14x14.png" alt="atom feed" />
Angel Ezquerra hgweb: add (Atom) subscribe link to the main paper template pages...	r18200	</a>
		</div>
Dan Villiom Podlaski Christiansen setup: install translation files as package data...	r9999	</div>

		<div class="main">
Angel Ezquerra <angel.ezquerra at gmail.com> hgweb: add a "URL breadcrumb" to the index and repository pages...	r18258	<h2 class="breadcrumb"><a href="/">Mercurial</a> {pathdef%breadcrumb}</h2>
Dan Villiom Podlaski Christiansen setup: install translation files as package data...	r9999	<h3>graph</h3>

Gregory Szorc hgweb: consolidate search form for paper...	r32758	{searchform}
Dan Villiom Podlaski Christiansen setup: install translation files as package data...	r9999
		<div class="navigate">
av6 hgweb: don't dereference symbolic revision in paper & coal style (issue2296)...	r25606	<a href="{url\|urlescape}graph/{symrev}{lessvars%urlparameter}">less</a>
		<a href="{url\|urlescape}graph/{symrev}{morevars%urlparameter}">more</a>
Nicolas Dumazet hgweb: changenav: separate pages before and after the current position...	r10254	\| rev {rev}: {changenav%navgraph}
Dan Villiom Podlaski Christiansen setup: install translation files as package data...	r9999	</div>

		<noscript><p>The revision graph only works with JavaScript-enabled browsers.</p></noscript>

		<div id="wrapper">
av6 hgweb: calculate <canvas> width and height client-side...	r35408	<canvas id="graph"></canvas>
av6 paper: make actual changeset entries have backgrounds on /graph...	r35547	<ul id="graphnodes" class="stripes2">{nodes%graphentry}</ul>
Dan Villiom Podlaski Christiansen setup: install translation files as package data...	r9999	</div>

Gregory Szorc hgweb: support Content Security Policy...	r30766	<script type="text/javascript"{if(nonce, ' nonce="{nonce}"')}>
Dan Villiom Podlaski Christiansen setup: install translation files as package data...	r9999	var data = {jsdata\|json};
		var graph = new Graph();
		graph.scale({bg_height});
		graph.render(data);
		</script>

		<div class="navigate">
av6 hgweb: don't dereference symbolic revision in paper & coal style (issue2296)...	r25606	<a href="{url\|urlescape}graph/{symrev}{lessvars%urlparameter}">less</a>
		<a href="{url\|urlescape}graph/{symrev}{morevars%urlparameter}">more</a>
Nicolas Dumazet hgweb: changenav: separate pages before and after the current position...	r10254	\| rev {rev}: {changenav%navgraph}
Dan Villiom Podlaski Christiansen setup: install translation files as package data...	r9999	</div>

Gregory Szorc hgweb: support Content Security Policy...	r30766	<script type="text/javascript"{if(nonce, ' nonce="{nonce}"')}>
Alexander Plavin paper: add infinite scrolling to graph by calling ajaxScrollInit at the page	r19783	ajaxScrollInit(
av6 hgweb: render next pages on /graph incrementally...	r35410	'{url\|urlescape}graph/%next%{graphvars%urlparameter}',
		'{nextentry%"{node}"}', <!-- NEXTHASH
av6 hgweb: remove unused second argument of nextPageVarGet()...	r35672	function (htmlText) \{
av6 hgweb: render next pages on /graph incrementally...	r35410	var m = htmlText.match(/'(\w+)', <!-- NEXTHASH/);
		return m ? m[1] : null;
		},
Alexander Plavin paper: add infinite scrolling to graph by calling ajaxScrollInit at the page	r19783	'#wrapper',
		'<div class="%class%" style="text-align: center;">%text%</div>',
		'graph'
		);
		</script>

Dan Villiom Podlaski Christiansen setup: install translation files as package data...	r9999	</div>
		</div>

		{footer}