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<div class="section" id="module-apache_beam.testing.benchmarks.nexmark.nexmark_launcher">
<span id="apache-beam-testing-benchmarks-nexmark-nexmark-launcher-module"></span><h1>apache_beam.testing.benchmarks.nexmark.nexmark_launcher module<a class="headerlink" href="#module-apache_beam.testing.benchmarks.nexmark.nexmark_launcher" title="Permalink to this headline"></a></h1>
<p>Nexmark launcher.</p>
<p>The Nexmark suite is a series of queries (streaming pipelines) performed
on a simulation of auction events. The launcher orchestrates the generation
and parsing of streaming events and the running of queries.</p>
<dl class="docutils">
<dt>Model</dt>
<dd><ul class="first last simple">
<li>Person: Author of an auction or a bid.</li>
<li>Auction: Item under auction.</li>
<li>Bid: A bid for an item under auction.</li>
</ul>
</dd>
<dt>Events</dt>
<dd><ul class="first last simple">
<li>Create Person</li>
<li>Create Auction</li>
<li>Create Bid</li>
</ul>
</dd>
<dt>Queries</dt>
<dd><ul class="first last simple">
<li>Query0: Pass through (send and receive auction events).</li>
</ul>
</dd>
<dt>Usage</dt>
<dd><ul class="first last simple">
<li><dl class="first docutils">
<dt>DirectRunner</dt>
<dd>python nexmark_launcher.py –query/q &lt;query number&gt; –project &lt;project id&gt; –loglevel=DEBUG (optional) –wait_until_finish_duration &lt;time_in_ms&gt; –streaming</dd>
</dl>
</li>
<li><dl class="first docutils">
<dt>DataflowRunner</dt>
<dd>python nexmark_launcher.py –query/q &lt;query number&gt; –project &lt;project id&gt; –loglevel=DEBUG (optional) –wait_until_finish_duration &lt;time_in_ms&gt; –streaming –sdk_location &lt;apache_beam tar.gz&gt; –staging_location=gs://… –temp_location=gs://</dd>
</dl>
</li>
</ul>
</dd>
</dl>
<dl class="class">
<dt id="apache_beam.testing.benchmarks.nexmark.nexmark_launcher.NexmarkLauncher">
<em class="property">class </em><code class="descclassname">apache_beam.testing.benchmarks.nexmark.nexmark_launcher.</code><code class="descname">NexmarkLauncher</code><a class="reference internal" href="_modules/apache_beam/testing/benchmarks/nexmark/nexmark_launcher.html#NexmarkLauncher"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.testing.benchmarks.nexmark.nexmark_launcher.NexmarkLauncher" title="Permalink to this definition"></a></dt>
<dd><p>Bases: <a class="reference external" href="https://docs.python.org/3/library/functions.html#object" title="(in Python v3.8)"><code class="xref py py-class docutils literal notranslate"><span class="pre">object</span></code></a></p>
<dl class="method">
<dt id="apache_beam.testing.benchmarks.nexmark.nexmark_launcher.NexmarkLauncher.parse_args">
<code class="descname">parse_args</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/testing/benchmarks/nexmark/nexmark_launcher.html#NexmarkLauncher.parse_args"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.testing.benchmarks.nexmark.nexmark_launcher.NexmarkLauncher.parse_args" title="Permalink to this definition"></a></dt>
<dd></dd></dl>
<dl class="method">
<dt id="apache_beam.testing.benchmarks.nexmark.nexmark_launcher.NexmarkLauncher.generate_events">
<code class="descname">generate_events</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/testing/benchmarks/nexmark/nexmark_launcher.html#NexmarkLauncher.generate_events"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.testing.benchmarks.nexmark.nexmark_launcher.NexmarkLauncher.generate_events" title="Permalink to this definition"></a></dt>
<dd></dd></dl>
<dl class="method">
<dt id="apache_beam.testing.benchmarks.nexmark.nexmark_launcher.NexmarkLauncher.run_query">
<code class="descname">run_query</code><span class="sig-paren">(</span><em>query</em>, <em>query_args</em>, <em>query_errors</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/testing/benchmarks/nexmark/nexmark_launcher.html#NexmarkLauncher.run_query"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.testing.benchmarks.nexmark.nexmark_launcher.NexmarkLauncher.run_query" title="Permalink to this definition"></a></dt>
<dd></dd></dl>
<dl class="method">
<dt id="apache_beam.testing.benchmarks.nexmark.nexmark_launcher.NexmarkLauncher.cleanup">
<code class="descname">cleanup</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/testing/benchmarks/nexmark/nexmark_launcher.html#NexmarkLauncher.cleanup"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.testing.benchmarks.nexmark.nexmark_launcher.NexmarkLauncher.cleanup" title="Permalink to this definition"></a></dt>
<dd></dd></dl>
<dl class="method">
<dt id="apache_beam.testing.benchmarks.nexmark.nexmark_launcher.NexmarkLauncher.run">
<code class="descname">run</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/testing/benchmarks/nexmark/nexmark_launcher.html#NexmarkLauncher.run"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.testing.benchmarks.nexmark.nexmark_launcher.NexmarkLauncher.run" title="Permalink to this definition"></a></dt>
<dd></dd></dl>
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