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<!DOCTYPE html>
<!--
Google I/O 2011 HTML slides template
Authors: Luke Mahé (code)
Marcin Wichary (code and design)
Dominic Mazzoni (browser compatibility)
Charles Chen (ChromeVox support)
URL: http://code.google.com/p/io-2011-slides/
-->
<html>
<head>
<title>Camlistore</title>
<meta charset='utf-8' />
<script src='slides.js'></script>
</head>
<style>
/* Your individual styles here, or just use inline styles if that’s
what you want. */
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.smaller {
font-size: 80%;
}
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</style>
<body style='display: none'>
<section class='slides layout-regular'>
<!-- Your slides (<article>s) go here. Delete or comment out the
slides below. -->
<article>
<h1>
Camlistore
</h1>
<p>
Brad Fitzpatrick
<br>
2011-05-07
</p>
</article>
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<article>
<h3>
Who am I?
</h3>
<ul class='nobuild'>
<li>
Brad Fitzpatrick &lt;brad@danga.com&gt;
</li>
<li>Perl Hacker since 1994</li>
<li>Projects:
<table><tr valign='top'>
<th>Danga / 6A (Perl)</th>
<th>Google</th>
</tr>
<td class='nobuild'>
<div>LiveJournal</div>
<div>memcached</div>
<div>Perlbal</div>
<div>MogileFS</div>
<div class='blue'>OpenID</div>
</td>
<td class='nobuild'>
<div><nobr>Social Graph API (<span class='blue'>XFN / FOAF</a>)</nobr></div>
<div class='blue'>WebFinger</div>
<div class='blue'>PubSubHubbub</div>
<div>Android</div>
<div>Go</div>
</td>
</table>
<div style='font-size: 70%; margin-top: 1em'>* <span class='blue'>decentralized social</span></div>
</li>
</ul>
</article>
<article>
<h3>
But why am I in Brazil?
</h3>
<ul class='nobuild'>
<li>
<i>"Hey, want to come speak at a Perl conference in Brazil?"</i>
</li>
<li>"Yes, totally, but... I don't write much Perl these days. :-("</li> <!-- " -->
<li style="margin-top: 2em"><i>"You could speak on memcached."</i></li>
<li>"But that's an old topic, no?"</li>
<li style="margin-top: 2em"><i>"You have any new project you're excited about?"</i></li>
</li>
</ul>
</article>
<article>
<h1 align='center'>
Camlistore!
</h1>
</article>
<article>
<h3>
Camlistore
</h1>
<ul>
<li>New open source project</li>
<li>Almost a year old</li>
<li>Still in development</li>
<li>Starting to be useful :-)</li>
<li>Hard to easily describe...</li>
</article>
<article>
<q>
Camlistore is a way to store, sync, share, model and back up content
</q>
<div class='author'>
camlistore.org
</div>
</article>
<article>
<h3>
Motivation
</h3>
<ul>
<li>I've written too many Content Management Systems
<ul>
<li>blogs, comments, photos, emails, backups, scanned paperwork, ...</li>
<li>is a scanned photo a scan, a photo, or a blog post? who cares.</li>
<li>write <b>one CMS to rule them all</b></li>
<li>... or at least a good framework for higher-level CMSes</li>
</ul>
</li>
</ul>
</article>
<article>
<h3>
Motivation (cont)
</h3>
<ul>
<li>I still want to solve the Decentralized Social Network Problem
<ul>
<li>protocols, not companies</li>
<li>gmail, hotmail: hosted versions of SMTP, IMAP</li>
<li>... but I can run my own SMTP/IMAP server if I want.</li>
<li>... or change my SMTP/IMAP provider</li>
</ul>
</li>
</ul>
</article>
<article>
<h3>
Motivation (cont)
</h3>
<ul>
<li>I wanted something conceptually simple.</li>
<li>HTTP interfaces, not language-specific</li>
<li>I use lots of machines; don't want to think about sync or conflicts.</li>
<li>Data archaeology: should be easy and obvious to
reconstruct in 20 or 100 years</li>
</ul>
</article>
<article>
<h3>
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The Product
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</h3>
<ul>
<li>one private dumping ground to store anything</li>
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<li><i><b>your</b></i> private repo, for life</li>
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<li>backups, filesystems, objects, my website, ...</li>
<li>live backup my phone</li>
<li>live replicate / sync my dumping group between my house & laptop & Amazon & Google</li>
<li>give out access to / sub-trees to friends or the world</li>
<li>web UI (ala gmail, docs.google.com, etc) or FUSE filesystem</li>
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<li>Easy for end-users; powerful for dorks</li>
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</ul>
</article>
<article>
<h1 class='center'>
So what's with the silly name?
</h1>
</article>
<article>
<h3>
Camlistore
</h3>
<ul>
<li>Content-</li>
<li>Addressable</li>
<li>Multi-</li>
<li>Layer-</li>
<li>Indexed</li>
<li>Storage</li>
</ul>
</article>
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<article>
<h3>
Content-Addressable
</h3>
<ul>
<li>At the core, everything is stored &amp; addressed by its digest (e.g. SHA1, MD5, etc)</li>
<li>e.g. <tt class='smaller'>"sha1-0beec7b5ea3f0fdbc95d0dd47f3c5bc275da8a33"</tt> for the blob <tt class='smaller'>"foo"</tt></li>
<li>Great properties:
<ul>
<li>no versions of content: change it changes the new digest too</li>
<li>no versions: no sync conflicts</li>
<li>no versions: perfect caching (have it or don't)</li>
</ul>
</li>
</ul>
</article>
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<article>
<h3>
Multi-Layer, Indexed
</h3>
<ul>
<li>Unix philosophy: small pieces with well-defined interfaces that can be chained or composed</li>
<li>Camlistore pieces include:
<ul class='dense'>
<li style='margin-top: 1em'>Blob storage: memory, disk, S3, Google, MySQL index, etc</li>
<li>Schema</li>
<li>Signing</li>
<li>Replication</li>
<li>Indexing: (e.g. replicate from disk to MySQL index)</li>
<li>Search</li>
<li>HTML UI</li>
</ul>
</li>
</ul>
</article>
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<!-- END -->
<article>
<p>
This is a slide with just text. This is a slide with just text.
This is a slide with just text. This is a slide with just text.
This is a slide with just text. This is a slide with just text.
</p>
<p>
There is more text just underneath.
</p>
</article>
<article>
<h3>
Simple slide with header and text
</h3>
<p>
This is a slide with just text. This is a slide with just text.
This is a slide with just text. This is a slide with just text.
This is a slide with just text. This is a slide with just text.
</p>
<p>
There is more text just underneath with a <code>code sample: 5px</code>.
</p>
</article>
<article class='smaller'>
<h3>
Simple slide with header and text (small font)
</h3>
<p>
This is a slide with just text. This is a slide with just text.
This is a slide with just text. This is a slide with just text.
This is a slide with just text. This is a slide with just text.
</p>
<p>
There is more text just underneath with a <code>code sample: 5px</code>.
</p>
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<article>
<h3>
Slide with bullet points and a longer title, just because we
can make it longer
</h3>
<ul>
<li>
Use this template to create your presentation
</li>
<li>
Use the provided color palette, box and arrow graphics, and
chart styles
</li>
<li>
Instructions are provided to assist you in using this
presentation template effectively
</li>
<li>
At all times strive to maintain Google's corporate look and feel
</li>
</ul>
</article>
<article>
<h3>
Slide with bullet points that builds
</h3>
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<ul class="nobuild">
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<li>
This is an example of a list
</li>
<li>
The list items fade in
</li>
<li>
Last one!
</li>
</ul>
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<div class="nobuild">
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<p>Any element with child nodes can build.</p>
<p>It doesn't have to be a list.</p>
</div>
</article>
<article class='smaller'>
<h3>
Slide with bullet points (small font)
</h3>
<ul>
<li>
Use this template to create your presentation
<li>
Use the provided color palette, box and arrow graphics, and
chart styles
<li>
Instructions are provided to assist you in using this
presentation template effectively
<li>
At all times strive to maintain Google's corporate look and feel
</ul>
</article>
<article>
<h3>
Slide with a table
</h3>
<table>
<tr>
<th>
Name
<th>
Occupation
<tr>
<td>
Luke Mahé
<td>
V.P. of Keepin’ It Real
<tr>
<td>
Marcin Wichary
<td>
The Michael Bay of Doodles
</table>
</article>
<article class='smaller'>
<h3>
Slide with a table (smaller text)
</h3>
<table>
<tr>
<th>
Name
<th>
Occupation
<tr>
<td>
Luke Mahé
<td>
V.P. of Keepin’ It Real
<tr>
<td>
Marcin Wichary
<td>
The Michael Bay of Doodles
</table>
</article>
<article>
<h3>
Styles
</h3>
<ul>
<li>
<span class='red'>class="red"</span>
<li>
<span class='blue'>class="blue"</span>
<li>
<span class='green'>class="green"</span>
<li>
<span class='yellow'>class="yellow"</span>
<li>
<span class='black'>class="black"</span>
<li>
<span class='white'>class="white"</span>
<li>
<b>bold</b> and <i>italic</i>
</ul>
</article>
<article>
<h2>
Segue slide
</h2>
</article>
<article>
<h3>
Slide with an image
</h3>
<p>
<img style='height: 500px' src='images/example-graph.png'>
</p>
<div class='source'>
Source: Sergey Brin
</div>
</article>
<article>
<h3>
Slide with an image (centered)
</h3>
<p>
<img class='centered' style='height: 500px' src='images/example-graph.png'>
</p>
<div class='source'>
Source: Larry Page
</div>
</article>
<article class='fill'>
<h3>
Image filling the slide (with optional header)
</h3>
<p>
<img src='images/example-cat.jpg'>
</p>
<div class='source white'>
Source: Eric Schmidt
</div>
</article>
<article>
<h3>
This slide has some code
</h3>
<section>
<pre>
&lt;script type='text/javascript'&gt;
// Say hello world until the user starts questioning
// the meaningfulness of their existence.
function helloWorld(world) {
for (var i = 42; --i &gt;= 0;) {
alert('Hello ' + String(world));
}
}
&lt;/script&gt;
&lt;style&gt;
p { color: pink }
b { color: blue }
u { color: 'umber' }
&lt;/style&gt;
</pre>
</section>
</article>
<article class='smaller'>
<h3>
This slide has some code (small font)
</h3>
<section>
<pre>
&lt;script type='text/javascript'&gt;
// Say hello world until the user starts questioning
// the meaningfulness of their existence.
function helloWorld(world) {
for (var i = 42; --i &gt;= 0;) {
alert('Hello ' + String(world));
}
}
&lt;/script&gt;
&lt;style&gt;
p { color: pink }
b { color: blue }
u { color: 'umber' }
&lt;/style&gt;
</pre>
</section>
</article>
<article>
<q>
The best way to predict the future is to invent it.
</q>
<div class='author'>
Alan Kay
</div>
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</article>
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<article class='smaller'>
<q>
A distributed system is one in which the failure of a computer
you didn’t even know existed can render your own computer unusable.
</q>
<div class='author'>
Leslie Lamport
</div>
</article>
<article class='nobackground'>
<h3>
A slide with an embed + title
</h3>
<iframe src='http://www.google.com/doodle4google/history.html'></iframe>
</article>
<article class='nobackground'>
<iframe src='http://www.google.com/doodle4google/history.html'></iframe>
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<article class='fill'>
<h3>
Full-slide embed with (optional) slide title on top
</h3>
<iframe src='http://www.google.com/doodle4google/history.html'></iframe>
</article>
<article>
<h3>
Thank you!
</h3>
<ul>
<li>
<a href='http://www.google.com'>google.com</a>
</ul>
</article>
</section>
</body>
</html>