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<section id="module-torch.distributed.elastic.events">
<span id="events"></span><span id="events-api"></span><h1>Events<a class="headerlink" href="#module-torch.distributed.elastic.events" title="Permalink to this heading">¶</a></h1>
<p>Module contains events processing mechanisms that are integrated with the standard python logging.</p>
<p>Example of usage:</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="kn">from</span> <span class="nn">torch.distributed.elastic</span> <span class="kn">import</span> <span class="n">events</span>
<span class="n">event</span> <span class="o">=</span> <span class="n">events</span><span class="o">.</span><span class="n">Event</span><span class="p">(</span><span class="n">name</span><span class="o">=</span><span class="s2">"test_event"</span><span class="p">,</span> <span class="n">source</span><span class="o">=</span><span class="n">events</span><span class="o">.</span><span class="n">EventSource</span><span class="o">.</span><span class="n">WORKER</span><span class="p">,</span> <span class="n">metadata</span><span class="o">=</span><span class="p">{</span><span class="o">...</span><span class="p">})</span>
<span class="n">events</span><span class="o">.</span><span class="n">get_logging_handler</span><span class="p">(</span><span class="n">destination</span><span class="o">=</span><span class="s2">"console"</span><span class="p">)</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="n">event</span><span class="p">)</span>
</pre></div>
</div>
<section id="api-methods">
<h2>API Methods<a class="headerlink" href="#api-methods" title="Permalink to this heading">¶</a></h2>
<dl class="py function">
<dt class="sig sig-object py" id="torch.distributed.elastic.events.record">
<span class="sig-prename descclassname"><span class="pre">torch.distributed.elastic.events.</span></span><span class="sig-name descname"><span class="pre">record</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">event</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">destination</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">'null'</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/torch/distributed/elastic/events.html#record"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#torch.distributed.elastic.events.record" title="Permalink to this definition">¶</a></dt>
<dd><dl class="field-list simple">
</dl>
</dd></dl>
<dl class="py function">
<dt class="sig sig-object py" id="torch.distributed.elastic.events.get_logging_handler">
<span class="sig-prename descclassname"><span class="pre">torch.distributed.elastic.events.</span></span><span class="sig-name descname"><span class="pre">get_logging_handler</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">destination</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">'null'</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/torch/distributed/elastic/events/handlers.html#get_logging_handler"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#torch.distributed.elastic.events.get_logging_handler" title="Permalink to this definition">¶</a></dt>
<dd><dl class="field-list simple">
<dt class="field-odd">Return type<span class="colon">:</span></dt>
<dd class="field-odd"><p><a class="reference external" href="https://docs.python.org/3/library/logging.html#logging.Handler" title="(in Python v3.11)"><em>Handler</em></a></p>
</dd>
</dl>
</dd></dl>
</section>
<section id="event-objects">
<h2>Event Objects<a class="headerlink" href="#event-objects" title="Permalink to this heading">¶</a></h2>
<dl class="py class">
<dt class="sig sig-object py" id="torch.distributed.elastic.events.api.Event">
<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">torch.distributed.elastic.events.api.</span></span><span class="sig-name descname"><span class="pre">Event</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">name</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">source</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">timestamp=0</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">metadata=<factory></span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/torch/distributed/elastic/events/api.html#Event"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#torch.distributed.elastic.events.api.Event" title="Permalink to this definition">¶</a></dt>
<dd><p>The class represents the generic event that occurs during the torchelastic
job execution. The event can be any kind of meaningful action.</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters<span class="colon">:</span></dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>name</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.11)"><em>str</em></a>) – event name.</p></li>
<li><p><strong>source</strong> (<a class="reference internal" href="#torch.distributed.elastic.events.api.EventSource" title="torch.distributed.elastic.events.api.EventSource"><em>EventSource</em></a>) – the event producer, e.g. agent or worker</p></li>
<li><p><strong>timestamp</strong> (<a class="reference external" href="https://docs.python.org/3/library/functions.html#int" title="(in Python v3.11)"><em>int</em></a>) – timestamp in milliseconds when event occured.</p></li>
<li><p><strong>metadata</strong> (<a class="reference external" href="https://docs.python.org/3/library/typing.html#typing.Dict" title="(in Python v3.11)"><em>Dict</em></a><em>[</em><a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.11)"><em>str</em></a><em>, </em><a class="reference external" href="https://docs.python.org/3/library/typing.html#typing.Optional" title="(in Python v3.11)"><em>Optional</em></a><em>[</em><a class="reference external" href="https://docs.python.org/3/library/typing.html#typing.Union" title="(in Python v3.11)"><em>Union</em></a><em>[</em><a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.11)"><em>str</em></a><em>, </em><a class="reference external" href="https://docs.python.org/3/library/functions.html#int" title="(in Python v3.11)"><em>int</em></a><em>, </em><a class="reference external" href="https://docs.python.org/3/library/functions.html#float" title="(in Python v3.11)"><em>float</em></a><em>, </em><a class="reference external" href="https://docs.python.org/3/library/functions.html#bool" title="(in Python v3.11)"><em>bool</em></a><em>]</em><em>]</em><em>]</em>) – additional data that is associated with the event.</p></li>
</ul>
</dd>
</dl>
</dd></dl>
<dl class="py class">
<dt class="sig sig-object py" id="torch.distributed.elastic.events.api.EventSource">
<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">torch.distributed.elastic.events.api.</span></span><span class="sig-name descname"><span class="pre">EventSource</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">value</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/torch/distributed/elastic/events/api.html#EventSource"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#torch.distributed.elastic.events.api.EventSource" title="Permalink to this definition">¶</a></dt>
<dd><p>Known identifiers of the event producers.</p>
</dd></dl>
<dl class="py attribute">
<dt class="sig sig-object py" id="torch.distributed.elastic.events.api.EventMetadataValue">
<span class="sig-prename descclassname"><span class="pre">torch.distributed.elastic.events.api.</span></span><span class="sig-name descname"><span class="pre">EventMetadataValue</span></span><a class="headerlink" href="#torch.distributed.elastic.events.api.EventMetadataValue" title="Permalink to this definition">¶</a></dt>
<dd><p>alias of <a class="reference external" href="https://docs.python.org/3/library/typing.html#typing.Optional" title="(in Python v3.11)"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Optional</span></code></a>[<a class="reference external" href="https://docs.python.org/3/library/typing.html#typing.Union" title="(in Python v3.11)"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Union</span></code></a>[<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.11)"><code class="xref py py-class docutils literal notranslate"><span class="pre">str</span></code></a>, <a class="reference external" href="https://docs.python.org/3/library/functions.html#int" title="(in Python v3.11)"><code class="xref py py-class docutils literal notranslate"><span class="pre">int</span></code></a>, <a class="reference external" href="https://docs.python.org/3/library/functions.html#float" title="(in Python v3.11)"><code class="xref py py-class docutils literal notranslate"><span class="pre">float</span></code></a>, <a class="reference external" href="https://docs.python.org/3/library/functions.html#bool" title="(in Python v3.11)"><code class="xref py py-class docutils literal notranslate"><span class="pre">bool</span></code></a>]]</p>
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