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   <div class="section" id="metrics">
 <h1>Metrics<a class="headerlink" href="#metrics" title="Permalink to this headline">¶</a></h1>
 <p>Airflow can be set up to send metrics to <a class="reference external" href="https://github.com/etsy/statsd">StatsD</a>.</p>
 <div class="section" id="setup">
 <h2>Setup<a class="headerlink" href="#setup" title="Permalink to this headline">¶</a></h2>
 <p>First you must install statsd requirement:</p>
 <div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>pip install <span class="s1">&#39;apache-airflow[statsd]&#39;</span>
 </pre></div>
 </div>
 <p>Add the following lines to your configuration file e.g. <code class="docutils literal notranslate"><span class="pre">airflow.cfg</span></code></p>
 <div class="highlight-bash notranslate"><div class="highlight"><pre><span></span><span class="o">[</span>scheduler<span class="o">]</span>
 <span class="nv">statsd_on</span> <span class="o">=</span> True
 <span class="nv">statsd_host</span> <span class="o">=</span> localhost
 <span class="nv">statsd_port</span> <span class="o">=</span> <span class="m">8125</span>
 <span class="nv">statsd_prefix</span> <span class="o">=</span> airflow
 </pre></div>
 </div>
 </div>
 <div class="section" id="counters">
 <h2>Counters<a class="headerlink" href="#counters" title="Permalink to this headline">¶</a></h2>
 <table class="docutils align-default">
 <colgroup>
 <col style="width: 35%" />
 <col style="width: 65%" />
 </colgroup>
 <thead>
 <tr class="row-odd"><th class="head"><p>Name</p></th>
 <th class="head"><p>Description</p></th>
 </tr>
 </thead>
 <tbody>
 <tr class="row-even"><td><p>&lt;job_name&gt;_start</p></td>
 <td><p>Number of started &lt;job_name&gt; job, ex. SchedulerJob, LocalTaskJob</p></td>
 </tr>
 <tr class="row-odd"><td><p>&lt;job_name&gt;_end</p></td>
 <td><p>Number of ended &lt;job_name&gt; job, ex. SchedulerJob, LocalTaskJob</p></td>
 </tr>
 <tr class="row-even"><td><p>operator_failures_&lt;operator_name&gt;</p></td>
 <td><p>Operator &lt;operator_name&gt; failures</p></td>
 </tr>
 <tr class="row-odd"><td><p>operator_successes_&lt;operator_name&gt;</p></td>
 <td><p>Operator &lt;operator_name&gt; successes</p></td>
 </tr>
 <tr class="row-even"><td><p>ti_failures</p></td>
 <td><p>Overall task instances failures</p></td>
 </tr>
 <tr class="row-odd"><td><p>ti_successes</p></td>
 <td><p>Overall task instances successes</p></td>
 </tr>
 <tr class="row-even"><td><p>zombies_killed</p></td>
 <td><p>Zombie tasks killed</p></td>
 </tr>
 <tr class="row-odd"><td><p>scheduler_heartbeat</p></td>
 <td><p>Scheduler heartbeats</p></td>
 </tr>
 </tbody>
 </table>
 </div>
 <div class="section" id="gauges">
 <h2>Gauges<a class="headerlink" href="#gauges" title="Permalink to this headline">¶</a></h2>
 <table class="docutils align-default">
 <colgroup>
 <col style="width: 39%" />
 <col style="width: 61%" />
 </colgroup>
 <thead>
 <tr class="row-odd"><th class="head"><p>Name</p></th>
 <th class="head"><p>Description</p></th>
 </tr>
 </thead>
 <tbody>
 <tr class="row-even"><td><p>collect_dags</p></td>
 <td><p>Seconds taken to scan and import DAGs</p></td>
 </tr>
 <tr class="row-odd"><td><p>dagbag_import_errors</p></td>
 <td><p>DAG import errors</p></td>
 </tr>
 <tr class="row-even"><td><p>dagbag_size</p></td>
 <td><p>DAG bag size</p></td>
 </tr>
 <tr class="row-odd"><td><p>dag_processing.last_runtime.&lt;dag_file&gt;</p></td>
 <td><p>Seconds spent processing &lt;dag_file&gt; (in most recent iteration)</p></td>
 </tr>
 <tr class="row-even"><td><p>dag_processing.last_run.seconds_ago.&lt;dag_file&gt;</p></td>
 <td><p>Seconds since &lt;dag_file&gt; was last processed</p></td>
 </tr>
 <tr class="row-odd"><td><p>executor.open_slots</p></td>
 <td><p>Number of open slots on executor</p></td>
 </tr>
 <tr class="row-even"><td><p>executor.queued_tasks</p></td>
 <td><p>Number of queued tasks on executor</p></td>
 </tr>
 <tr class="row-odd"><td><p>executor.running_tasks</p></td>
 <td><p>Number of running tasks on executor</p></td>
 </tr>
 <tr class="row-even"><td><p>pool.open_slots.&lt;pool_name&gt;</p></td>
 <td><p>Number of open slots in the pool</p></td>
 </tr>
 <tr class="row-odd"><td><p>pool.used_slots.&lt;pool_name&gt;</p></td>
 <td><p>Number of used slots in the pool</p></td>
 </tr>
 <tr class="row-even"><td><p>pool.starving_tasks.&lt;pool_name&gt;</p></td>
 <td><p>Number of starving tasks in the pool</p></td>
 </tr>
 </tbody>
 </table>
 </div>
 <div class="section" id="timers">
 <h2>Timers<a class="headerlink" href="#timers" title="Permalink to this headline">¶</a></h2>
 <table class="docutils align-default">
 <colgroup>
 <col style="width: 40%" />
 <col style="width: 60%" />
 </colgroup>
 <thead>
 <tr class="row-odd"><th class="head"><p>Name</p></th>
 <th class="head"><p>Description</p></th>
 </tr>
 </thead>
 <tbody>
 <tr class="row-even"><td><p>dagrun.dependency-check.&lt;dag_id&gt;</p></td>
 <td><p>Seconds taken to check DAG dependencies</p></td>
 </tr>
 <tr class="row-odd"><td><p>dag.&lt;dag_id&gt;.&lt;task_id&gt;.duration</p></td>
 <td><p>Seconds taken to finish a task</p></td>
 </tr>
 <tr class="row-even"><td><p>dag.loading-duration.&lt;dag_id&gt;</p></td>
 <td><p>Seconds taken to load the given DAG</p></td>
 </tr>
 <tr class="row-odd"><td><p>dagrun.duration.success.&lt;dag_id&gt;</p></td>
 <td><p>Seconds taken for a DagRun to reach success state</p></td>
 </tr>
 <tr class="row-even"><td><p>dagrun.duration.failed.&lt;dag_id&gt;</p></td>
 <td><p>Seconds taken for a DagRun to reach failed state</p></td>
 </tr>
 <tr class="row-odd"><td><p>dagrun.schedule_delay.&lt;dag_id&gt;</p></td>
 <td><p>Seconds of delay between the scheduled DagRun
 start date and the actual DagRun start date</p></td>
 </tr>
 </tbody>
 </table>
 </div>
 </div>


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	<div class="section" id="metrics">
	<h1>Metrics<a class="headerlink" href="#metrics" title="Permalink to this headline">¶</a></h1>
	<p>Airflow can be set up to send metrics to <a class="reference external" href="https://github.com/etsy/statsd">StatsD</a>.</p>
	<div class="section" id="setup">
	<h2>Setup<a class="headerlink" href="#setup" title="Permalink to this headline">¶</a></h2>
	<p>First you must install statsd requirement:</p>
	<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>pip install <span class="s1">'apache-airflow[statsd]'</span>
	</pre></div>
	</div>
	<p>Add the following lines to your configuration file e.g. <code class="docutils literal notranslate"><span class="pre">airflow.cfg</span></code></p>
	<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span><span class="o">[</span>scheduler<span class="o">]</span>
	<span class="nv">statsd_on</span> <span class="o">=</span> True
	<span class="nv">statsd_host</span> <span class="o">=</span> localhost
	<span class="nv">statsd_port</span> <span class="o">=</span> <span class="m">8125</span>
	<span class="nv">statsd_prefix</span> <span class="o">=</span> airflow
	</pre></div>
	</div>
	</div>
	<div class="section" id="counters">
	<h2>Counters<a class="headerlink" href="#counters" title="Permalink to this headline">¶</a></h2>
	<table class="docutils align-default">
	<colgroup>
	<col style="width: 35%" />
	<col style="width: 65%" />
	</colgroup>
	<thead>
	<tr class="row-odd"><th class="head"><p>Name</p></th>
	<th class="head"><p>Description</p></th>
	</tr>
	</thead>
	<tbody>
	<tr class="row-even"><td><p><job_name>_start</p></td>
	<td><p>Number of started <job_name> job, ex. SchedulerJob, LocalTaskJob</p></td>
	</tr>
	<tr class="row-odd"><td><p><job_name>_end</p></td>
	<td><p>Number of ended <job_name> job, ex. SchedulerJob, LocalTaskJob</p></td>
	</tr>
	<tr class="row-even"><td><p>operator_failures_<operator_name></p></td>
	<td><p>Operator <operator_name> failures</p></td>
	</tr>
	<tr class="row-odd"><td><p>operator_successes_<operator_name></p></td>
	<td><p>Operator <operator_name> successes</p></td>
	</tr>
	<tr class="row-even"><td><p>ti_failures</p></td>
	<td><p>Overall task instances failures</p></td>
	</tr>
	<tr class="row-odd"><td><p>ti_successes</p></td>
	<td><p>Overall task instances successes</p></td>
	</tr>
	<tr class="row-even"><td><p>zombies_killed</p></td>
	<td><p>Zombie tasks killed</p></td>
	</tr>
	<tr class="row-odd"><td><p>scheduler_heartbeat</p></td>
	<td><p>Scheduler heartbeats</p></td>
	</tr>
	</tbody>
	</table>
	</div>
	<div class="section" id="gauges">
	<h2>Gauges<a class="headerlink" href="#gauges" title="Permalink to this headline">¶</a></h2>
	<table class="docutils align-default">
	<colgroup>
	<col style="width: 39%" />
	<col style="width: 61%" />
	</colgroup>
	<thead>
	<tr class="row-odd"><th class="head"><p>Name</p></th>
	<th class="head"><p>Description</p></th>
	</tr>
	</thead>
	<tbody>
	<tr class="row-even"><td><p>collect_dags</p></td>
	<td><p>Seconds taken to scan and import DAGs</p></td>
	</tr>
	<tr class="row-odd"><td><p>dagbag_import_errors</p></td>
	<td><p>DAG import errors</p></td>
	</tr>
	<tr class="row-even"><td><p>dagbag_size</p></td>
	<td><p>DAG bag size</p></td>
	</tr>
	<tr class="row-odd"><td><p>dag_processing.last_runtime.<dag_file></p></td>
	<td><p>Seconds spent processing <dag_file> (in most recent iteration)</p></td>
	</tr>
	<tr class="row-even"><td><p>dag_processing.last_run.seconds_ago.<dag_file></p></td>
	<td><p>Seconds since <dag_file> was last processed</p></td>
	</tr>
	<tr class="row-odd"><td><p>executor.open_slots</p></td>
	<td><p>Number of open slots on executor</p></td>
	</tr>
	<tr class="row-even"><td><p>executor.queued_tasks</p></td>
	<td><p>Number of queued tasks on executor</p></td>
	</tr>
	<tr class="row-odd"><td><p>executor.running_tasks</p></td>
	<td><p>Number of running tasks on executor</p></td>
	</tr>
	<tr class="row-even"><td><p>pool.open_slots.<pool_name></p></td>
	<td><p>Number of open slots in the pool</p></td>
	</tr>
	<tr class="row-odd"><td><p>pool.used_slots.<pool_name></p></td>
	<td><p>Number of used slots in the pool</p></td>
	</tr>
	<tr class="row-even"><td><p>pool.starving_tasks.<pool_name></p></td>
	<td><p>Number of starving tasks in the pool</p></td>
	</tr>
	</tbody>
	</table>
	</div>
	<div class="section" id="timers">
	<h2>Timers<a class="headerlink" href="#timers" title="Permalink to this headline">¶</a></h2>
	<table class="docutils align-default">
	<colgroup>
	<col style="width: 40%" />
	<col style="width: 60%" />
	</colgroup>
	<thead>
	<tr class="row-odd"><th class="head"><p>Name</p></th>
	<th class="head"><p>Description</p></th>
	</tr>
	</thead>
	<tbody>
	<tr class="row-even"><td><p>dagrun.dependency-check.<dag_id></p></td>
	<td><p>Seconds taken to check DAG dependencies</p></td>
	</tr>
	<tr class="row-odd"><td><p>dag.<dag_id>.<task_id>.duration</p></td>
	<td><p>Seconds taken to finish a task</p></td>
	</tr>
	<tr class="row-even"><td><p>dag.loading-duration.<dag_id></p></td>
	<td><p>Seconds taken to load the given DAG</p></td>
	</tr>
	<tr class="row-odd"><td><p>dagrun.duration.success.<dag_id></p></td>
	<td><p>Seconds taken for a DagRun to reach success state</p></td>
	</tr>
	<tr class="row-even"><td><p>dagrun.duration.failed.<dag_id></p></td>
	<td><p>Seconds taken for a DagRun to reach failed state</p></td>
	</tr>
	<tr class="row-odd"><td><p>dagrun.schedule_delay.<dag_id></p></td>
	<td><p>Seconds of delay between the scheduled DagRun
	start date and the actual DagRun start date</p></td>
	</tr>
	</tbody>
	</table>
	</div>
	</div>


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