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<h1>Hydra</h1>
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<p><a href="#">Home</a> › <a href="#">Projects</a> › Rails Log Analyzer</p>
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<h2>Rails Log Analyzer</h2>
<h3>Reads the Rails log files and exposes potential points of optimization.</h3>
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<h4><a href="#">General Information</a></h4>
<p>The Rails Analyzer project contains a collection of tools for Rails that let you discover biggest slow spots in your applications allowing you to best focus optimization efforts.</p>
<p>The <strong>Production Log Analyzer</strong> examines Rails log files and gives a report showing you the worst speed offendors. It also includes <code>action_grep</code> which will give you all log results for a particular action.</p>
<p>The <strong>Action Profiler</strong> lets you profile actions to determine points of optimization.</p>
<p><strong>Rails Analyzer Tools</strong> is a collection of tools for benchmarking and monitoring a Rails application. The most useful is <code>rails_stat</code> which gives a live counter of requests per second of a running Rails app.</p>
<p>The <strong>SQL Dependency Grapher</strong> allows you to visualize the frequency of table dependencies in a Rails application.</p>
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<h4><a href="#">Getting It</a></h4>
<p>Most of the tools can be installed installed via rubygems:</p>
<pre><code>gem install rails_analyzer_tools action_profiler production_log_analyzer</code></pre>
<p>The SQL Dependency Grapher can only be downloaded separately from rubyforge. A public SCM repository is not available.</p>
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<h4><a href="#">Components & Dependencies</a></h4>
<p>
<a href="#">action_profiler</a>,
<a href="#">hoe</a>,
<a href="#">seq_dep_graph</a>,
<a href="#">SyslogLogger</a>,
<a href="#">prodution_log_analyzer</a>,
<a href="#">rails_analyzer_tools</a>
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<h4><a href="#">Using It</a></h4>
<p>Lorem ipsum dolor sit amet consectetur
adipisicing elit.</p>
<ul>
<li>Quis nostrud exercitation ullamco.</li>
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<h4><a href="#">Who’s Using It?</a></h4>
<p>
<a href="#">The Robot-Coop</a>,
<a href="#">TalentDatabase</a>,
<a href="#">Etc.</a>
</p>
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<h4><a href="#">People</a></h4>
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<li class="vcard">
<img src="images/avatars/hodel-16.png" width="16" height="16" alt="Avatar of Eric Hodel" />
<a href="#" class="url fn">Eric Hodel</a> is the author.
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<h4><a href="#">Ties</a></h4>
<ul>
<li><a href="#">RubyForge</a> hosts this project.</li>
<li><a href="#">Nuby on Rails</a> has a tutorial.</li>
<li><a href="#">The Robot Co-op</a> has documentation.</li>
<li><a href="#">Rails Log Visualizer</a> is a simiar project.</li>
<li><a href="#">RAWK</a> is a similar project.</li>
<li><a href="#">Lorem Ipsum</a> dolor sit amet.</li>
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<h4><a href="#">Tags</a></h4>
<p>
<a href="#">analyzer</a>,
<a href="#">debug</a>,
<a href="#">logger</a>,
<a href="#">logs</a>,
<a href="#">performance</a>,
<a href="#">production</a>,
<a href="#">profiler</a>,
<a href="#">rails</a>,
<a href="#">robot-co-op</a>,
<a href="#">statistics</a>,
<a href="#">sql</a>,
<a href="#">syslog</a>
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<h4><a href="#">Comments</a></h4>
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<li>
<img src="images/avatars/hodel-40.png" width="40" height="40" alt="Avatar of Eric Hodel" />
<p class="vcard"><a href="#" class="url fn">Eric Hodel</a> says:</p>
<blockquote>
<p>I have used bench and crawl to tune the number of FastCGI processes running on 43things.com, determine if HyperThreading would give a performance benefit or not (it did) and find a fatal threading bug in MySQL.</p>
</blockquote>
</li>
<li>
<img src="images/avatars/topfunky-40.png" width="40" height="40" alt="Avatar of Geoffrey Grosenbach" />
<p class="vcard"><a href="#" class="url fn">Geoffrey Grosenbach</a> says:</p>
<blockquote>
<p>The Rails Analyzer Tools are a very useful way to keep tabs on the performance of your site.</p>
</blockquote>
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<p class="more"><a href="#">More Comments…</a></p>
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