upstream/mercurial-mirror Files · mercurial/templates/paper/filelog.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.

Jordi Gutiérrez Hermoso - - Load All Authors

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

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      {header}

      <title>{repo|escape}: {file|escape} history</title>

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

        Thomas Arendsen Hein
    
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         href="{url|urlescape}atom-log/tip/{file|urlescape}" title="Atom feed for {repo|escape}:{file}" />

        Dan Villiom Podlaski Christiansen
    
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      <link rel="alternate" type="application/rss+xml"

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

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

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      </head>

      <body>

      <div class="container">

      <div class="menu">

      <div class="logo">

        Steven Stallion
    
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      <a href="{logourl}">

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

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      </div>

      <ul>

        av6
    
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      <li><a href="{url|urlescape}shortlog/{symrev}{sessionvars%urlparameter}">log</a></li>

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

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

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      <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>

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      </ul>

      <ul>

        av6
    
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      <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
    
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              r9999
            
      </ul>

      <ul>

        av6
    
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      <li><a href="{url|urlescape}file/{symrev}/{file|urlescape}{sessionvars%urlparameter}">file</a></li>

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

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

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

        Dan Villiom Podlaski Christiansen
    
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      <li class="active">file log</li>

        av6
    
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      <li><a href="{url|urlescape}raw-file/{symrev}/{file|urlescape}">raw</a></li>

        Dan Villiom Podlaski Christiansen
    
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      </ul>

        Augie Fackler
    
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      <ul>

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

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

        Augie Fackler
    
hgweb: add help link to templates missed in ead4e21f49f1

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      </ul>

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

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      <div class="atom-logo">

        Yoshinari Takaoka
    
hgweb: fixed invalid atom-log feed url in file log page...

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

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

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

      </a>

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

              r18200
            
      </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...

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

        av6
    
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      <h3>

       log {file|escape} @ {rev}:<a href="{url|urlescape}rev/{node|short}{sessionvars%urlparameter}">{node|short}</a>

        av6
    
hgweb: move changeset "tags" to a template in map file (paper and coal)...

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       {alltags}

        Denis Laxalde
    
hgweb: handle a "linerange" request parameter in filelog command...

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       {if(linerange,

        Jordi Gutiérrez Hermoso
    
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      ' (following lines {linerange}{if(descend, ', descending')} <a href="{url|urlescape}log/{symrev}/{file|urlescape}{sessionvars%urlparameter}">all revisions for this file</a>)')}

        av6
    
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      </h3>

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        Gregory Szorc
    
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      {searchform}

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        Dirkjan Ochtman
    
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      <div class="navigate">

        av6
    
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      <a href="{url|urlescape}log/{symrev}/{file|urlescape}{lessvars%urlparameter}">less</a>

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

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

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      | {nav%filenav}</div>

        Dan Villiom Podlaski Christiansen
    
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      <table class="bigtable">

        Anton Shestakov
    
hgweb: replace implicit <tbody> with explicit <thead> where appropriate...

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      <thead>

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       <tr>

        <th class="age">age</th>

        <th class="author">author</th>

        <th class="description">description</th>

       </tr>

        Anton Shestakov
    
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      </thead>

        Alexander Plavin
    
hgweb: make stripes in file log with CSS

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      <tbody class="stripes2">

        Dan Villiom Podlaski Christiansen
    
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      {entries%filelogentry}

        Alexander Plavin
    
hgweb: make stripes in file log with CSS

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      </tbody>

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

              r9999
            
      </table>

        Dirkjan Ochtman
    
hgweb: add less/more links to shortlog/filelog nav

              r10246
            
      <div class="navigate">

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

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

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

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

              r10254
            
      | {nav%filenav}

        Dirkjan Ochtman
    
hgweb: add less/more links to shortlog/filelog nav

              r10246
            
      </div>

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

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      </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
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t s	Toggle sidebar on some pages

Dan Villiom Podlaski Christiansen setup: install translation files as package data...	r9999	{header}
		<title>{repo\|escape}: {file\|escape} history</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/tip/{file\|urlescape}" title="Atom feed for {repo\|escape}:{file}" />
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/tip/{file\|urlescape}" title="RSS feed for {repo\|escape}:{file}" />
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>
		<li><a href="{url\|urlescape}graph/{symrev}{sessionvars%urlparameter}">graph</a></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>
		<ul>
av6 hgweb: don't dereference symbolic revision in paper & coal style (issue2296)...	r25606	<li><a href="{url\|urlescape}file/{symrev}/{file\|urlescape}{sessionvars%urlparameter}">file</a></li>
		<li><a href="{url\|urlescape}diff/{symrev}/{file\|urlescape}{sessionvars%urlparameter}">diff</a></li>
		<li><a href="{url\|urlescape}comparison/{symrev}/{file\|urlescape}{sessionvars%urlparameter}">comparison</a></li>
		<li><a href="{url\|urlescape}annotate/{symrev}/{file\|urlescape}{sessionvars%urlparameter}">annotate</a></li>
Dan Villiom Podlaski Christiansen setup: install translation files as package data...	r9999	<li class="active">file log</li>
av6 hgweb: don't dereference symbolic revision in paper & coal style (issue2296)...	r25606	<li><a href="{url\|urlescape}raw-file/{symrev}/{file\|urlescape}">raw</a></li>
Dan Villiom Podlaski Christiansen setup: install translation files as package data...	r9999	</ul>
Augie Fackler hgweb: add help link to templates missed in ead4e21f49f1	r12680	<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 hgweb: add help link to templates missed in ead4e21f49f1	r12680	</ul>
Angel Ezquerra hgweb: add (Atom) subscribe link to the main paper template pages...	r18200	<div class="atom-logo">
Yoshinari Takaoka hgweb: fixed invalid atom-log feed url in file log page...	r27554	<a href="{url\|urlescape}atom-log/tip/{file\|urlescape}" 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" />
		</a>
Angel Ezquerra hgweb: add (Atom) subscribe link to the main paper template pages...	r18200	</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>
av6 paper: show current revision on file log page...	r27081	<h3>
		log {file\|escape} @ {rev}:<a href="{url\|urlescape}rev/{node\|short}{sessionvars%urlparameter}">{node\|short}</a>
av6 hgweb: move changeset "tags" to a template in map file (paper and coal)...	r35055	{alltags}
Denis Laxalde hgweb: handle a "linerange" request parameter in filelog command...	r31665	{if(linerange,
Jordi Gutiérrez Hermoso templates: reword 'back to filelog' link anchor text...	r35089	' (following lines {linerange}{if(descend, ', descending')} <a href="{url\|urlescape}log/{symrev}/{file\|urlescape}{sessionvars%urlparameter}">all revisions for this file</a>)')}
av6 paper: show current revision on file log page...	r27081	</h3>
Dan Villiom Podlaski Christiansen setup: install translation files as package data...	r9999
Gregory Szorc hgweb: consolidate search form for paper...	r32758	{searchform}
Dan Villiom Podlaski Christiansen setup: install translation files as package data...	r9999
Dirkjan Ochtman hgweb: add less/more links to shortlog/filelog nav	r10246	<div class="navigate">
av6 hgweb: don't dereference symbolic revision in paper & coal style (issue2296)...	r25606	<a href="{url\|urlescape}log/{symrev}/{file\|urlescape}{lessvars%urlparameter}">less</a>
		<a href="{url\|urlescape}log/{symrev}/{file\|urlescape}{morevars%urlparameter}">more</a>
Nicolas Dumazet hgweb: changenav: separate pages before and after the current position...	r10254	\| {nav%filenav}</div>
Dan Villiom Podlaski Christiansen setup: install translation files as package data...	r9999
		<table class="bigtable">
Anton Shestakov hgweb: replace implicit <tbody> with explicit <thead> where appropriate...	r24054	<thead>
Dan Villiom Podlaski Christiansen setup: install translation files as package data...	r9999	<tr>
		<th class="age">age</th>
		<th class="author">author</th>
		<th class="description">description</th>
		</tr>
Anton Shestakov hgweb: replace implicit <tbody> with explicit <thead> where appropriate...	r24054	</thead>
Alexander Plavin hgweb: make stripes in file log with CSS	r19454	<tbody class="stripes2">
Dan Villiom Podlaski Christiansen setup: install translation files as package data...	r9999	{entries%filelogentry}
Alexander Plavin hgweb: make stripes in file log with CSS	r19454	</tbody>
Dan Villiom Podlaski Christiansen setup: install translation files as package data...	r9999	</table>

Dirkjan Ochtman hgweb: add less/more links to shortlog/filelog nav	r10246	<div class="navigate">
av6 hgweb: don't dereference symbolic revision in paper & coal style (issue2296)...	r25606	<a href="{url\|urlescape}log/{symrev}/{file\|urlescape}{lessvars%urlparameter}">less</a>
		<a href="{url\|urlescape}log/{symrev}/{file\|urlescape}{morevars%urlparameter}">more</a>
Nicolas Dumazet hgweb: changenav: separate pages before and after the current position...	r10254	\| {nav%filenav}
Dirkjan Ochtman hgweb: add less/more links to shortlog/filelog nav	r10246	</div>

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

		{footer}