yangck
/
celery


			
							123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311
							<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
  "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    
    <title>Statistics and Monitoring - celery.monitoring &mdash; Celery v0.7.0 (unstable) documentation</title>
    <link rel="stylesheet" href="../static/nature.css" type="text/css" />
    <link rel="stylesheet" href="../static/pygments.css" type="text/css" />
    <script type="text/javascript">
      var DOCUMENTATION_OPTIONS = {
        URL_ROOT:    '../',
        VERSION:     '0.7.0 (unstable)',
        COLLAPSE_MODINDEX: false,
        FILE_SUFFIX: '.html',
        HAS_SOURCE:  true
      };
    </script>
    <script type="text/javascript" src="../static/jquery.js"></script>
    <script type="text/javascript" src="../static/doctools.js"></script>
    <link rel="top" title="Celery v0.7.0 (unstable) documentation" href="../index.html" />
    <link rel="up" title="Module API Reference" href="index.html" />
    <link rel="next" title="Messaging - celery.messaging" href="celery.messaging.html" />
    <link rel="prev" title="Task Discovery - celery.discovery" href="celery.discovery.html" /> 
  </head>
  <body>
    <div class="related">
      <h3>Navigation</h3>
      <ul>
        <li class="right" style="margin-right: 10px">
          <a href="../genindex.html" title="General Index"
             accesskey="I">index</a></li>
        <li class="right" >
          <a href="../modindex.html" title="Global Module Index"
             accesskey="M">modules</a> |</li>
        <li class="right" >
          <a href="celery.messaging.html" title="Messaging - celery.messaging"
             accesskey="N">next</a> |</li>
        <li class="right" >
          <a href="celery.discovery.html" title="Task Discovery - celery.discovery"
             accesskey="P">previous</a> |</li>
        <li><a href="../index.html">Celery v0.7.0 (unstable) documentation</a> &raquo;</li>
          <li><a href="index.html" accesskey="U">Module API Reference</a> &raquo;</li> 
      </ul>
    </div>  

    <div class="document">
      <div class="documentwrapper">
        <div class="bodywrapper">
          <div class="body">
            
  <div class="section" id="module-celery.monitoring">
<h1>Statistics and Monitoring - celery.monitoring<a class="headerlink" href="#module-celery.monitoring" title="Permalink to this headline">¶</a></h1>
<p>Publishing Statistics and Monitoring Celery.</p>
<dl class="class">
<dt id="celery.monitoring.Statistics">
<em class="property">
class </em><tt class="descclassname">celery.monitoring.</tt><tt class="descname">Statistics</tt><big>(</big><em>**kwargs</em><big>)</big><a class="headerlink" href="#celery.monitoring.Statistics" title="Permalink to this definition">¶</a></dt>
<dd><p>Base class for classes publishing celery statistics.</p>
<dl class="attribute">
<dt id="celery.monitoring.Statistics.type">
<tt class="descname">type</tt><a class="headerlink" href="#celery.monitoring.Statistics.type" title="Permalink to this definition">¶</a></dt>
<dd><strong>REQUIRED</strong> The type of statistics this class handles.</dd></dl>

<p><strong>Required handlers</strong></p>
<ul class="simple">
<li>on_start()</li>
<li>on_stop()</li>
</ul>
<dl class="method">
<dt id="celery.monitoring.Statistics.on_start">
<tt class="descname">on_start</tt><big>(</big><em>*args</em>, <em>**kwargs</em><big>)</big><a class="headerlink" href="#celery.monitoring.Statistics.on_start" title="Permalink to this definition">¶</a></dt>
<dd>What to do when the <a title="celery.monitoring.Statistics.run" class="reference internal" href="#celery.monitoring.Statistics.run"><tt class="xref docutils literal"><span class="pre">run()</span></tt></a> method is called.</dd></dl>

<dl class="method">
<dt id="celery.monitoring.Statistics.on_stop">
<tt class="descname">on_stop</tt><big>(</big><em>*args</em>, <em>**kwargs</em><big>)</big><a class="headerlink" href="#celery.monitoring.Statistics.on_stop" title="Permalink to this definition">¶</a></dt>
<dd>What to do when the <a title="celery.monitoring.Statistics.stop" class="reference internal" href="#celery.monitoring.Statistics.stop"><tt class="xref docutils literal"><span class="pre">stop()</span></tt></a> method is called.</dd></dl>

<dl class="method">
<dt id="celery.monitoring.Statistics.publish">
<tt class="descname">publish</tt><big>(</big><em>**data</em><big>)</big><a class="headerlink" href="#celery.monitoring.Statistics.publish" title="Permalink to this definition">¶</a></dt>
<dd><p>Publish statistics to be collected later by
<a title="celery.monitoring.StatsCollector" class="reference internal" href="#celery.monitoring.StatsCollector"><tt class="xref docutils literal"><span class="pre">StatsCollector</span></tt></a>.</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field"><th class="field-name">Parameter:</th><td class="field-body"><em>data</em> &#8211; An arbitrary Python object containing the statistics
to be published.</td>
</tr>
</tbody>
</table>
</dd></dl>

<dl class="method">
<dt id="celery.monitoring.Statistics.run">
<tt class="descname">run</tt><big>(</big><em>*args</em>, <em>**kwargs</em><big>)</big><a class="headerlink" href="#celery.monitoring.Statistics.run" title="Permalink to this definition">¶</a></dt>
<dd>Start producing statistics.</dd></dl>

<dl class="classmethod">
<dt id="celery.monitoring.Statistics.start">
<em class="property">
classmethod </em><tt class="descname">start</tt><big>(</big><em>*args</em>, <em>**kwargs</em><big>)</big><a class="headerlink" href="#celery.monitoring.Statistics.start" title="Permalink to this definition">¶</a></dt>
<dd>Convenience method instantiating and running <a title="celery.monitoring.Statistics.run" class="reference internal" href="#celery.monitoring.Statistics.run"><tt class="xref docutils literal"><span class="pre">run()</span></tt></a> in
one swoop.</dd></dl>

<dl class="method">
<dt id="celery.monitoring.Statistics.stop">
<tt class="descname">stop</tt><big>(</big><em>*args</em>, <em>**kwargs</em><big>)</big><a class="headerlink" href="#celery.monitoring.Statistics.stop" title="Permalink to this definition">¶</a></dt>
<dd>Stop producing and publish statistics.</dd></dl>

</dd></dl>

<dl class="class">
<dt id="celery.monitoring.StatsCollector">
<em class="property">
class </em><tt class="descclassname">celery.monitoring.</tt><tt class="descname">StatsCollector</tt><a class="headerlink" href="#celery.monitoring.StatsCollector" title="Permalink to this definition">¶</a></dt>
<dd><p>Collect and report Celery statistics.</p>
<dl class="docutils">
<dt><strong>NOTE</strong>: Please run only one collector at any time, or your stats</dt>
<dd>will be skewed.</dd>
</dl>
<dl class="attribute">
<dt id="celery.monitoring.StatsCollector.total_tasks_processed">
<tt class="descname">total_tasks_processed</tt><a class="headerlink" href="#celery.monitoring.StatsCollector.total_tasks_processed" title="Permalink to this definition">¶</a></dt>
<dd>The number of tasks executed in total since the first time
<a title="celery.monitoring.StatsCollector.collect" class="reference internal" href="#celery.monitoring.StatsCollector.collect"><tt class="xref docutils literal"><span class="pre">collect()</span></tt></a> was executed on this class instance.</dd></dl>

<dl class="attribute">
<dt id="celery.monitoring.StatsCollector.total_tasks_processed_by_type">
<tt class="descname">total_tasks_processed_by_type</tt><a class="headerlink" href="#celery.monitoring.StatsCollector.total_tasks_processed_by_type" title="Permalink to this definition">¶</a></dt>
<dd>A dictionary of task names and how many times they have been
executed in total since the first time <a title="celery.monitoring.StatsCollector.collect" class="reference internal" href="#celery.monitoring.StatsCollector.collect"><tt class="xref docutils literal"><span class="pre">collect()</span></tt></a> was executed
on this class instance.</dd></dl>

<dl class="attribute">
<dt id="celery.monitoring.StatsCollector.total_task_time_running">
<tt class="descname">total_task_time_running</tt><a class="headerlink" href="#celery.monitoring.StatsCollector.total_task_time_running" title="Permalink to this definition">¶</a></dt>
<dd>The total time, in seconds, it took to process all the tasks executed
since the first time <a title="celery.monitoring.StatsCollector.collect" class="reference internal" href="#celery.monitoring.StatsCollector.collect"><tt class="xref docutils literal"><span class="pre">collect()</span></tt></a> was executed on this class
instance.</dd></dl>

<dl class="attribute">
<dt id="celery.monitoring.StatsCollector.total_task_time_running_by_type">
<tt class="descname">total_task_time_running_by_type</tt><a class="headerlink" href="#celery.monitoring.StatsCollector.total_task_time_running_by_type" title="Permalink to this definition">¶</a></dt>
<dd>A dictionary of task names and their total running time in seconds,
counting all the tasks that has been run since the first time
<a title="celery.monitoring.StatsCollector.collect" class="reference internal" href="#celery.monitoring.StatsCollector.collect"><tt class="xref docutils literal"><span class="pre">collect()</span></tt></a> was executed on this class instance.</dd></dl>

<dl class="docutils">
<dt><strong>NOTE</strong>: You have to run <a title="celery.monitoring.StatsCollector.collect" class="reference internal" href="#celery.monitoring.StatsCollector.collect"><tt class="xref docutils literal"><span class="pre">collect()</span></tt></a> for these attributes</dt>
<dd>to be filled.</dd>
</dl>
<dl class="method">
<dt id="celery.monitoring.StatsCollector.collect">
<tt class="descname">collect</tt><big>(</big><big>)</big><a class="headerlink" href="#celery.monitoring.StatsCollector.collect" title="Permalink to this definition">¶</a></dt>
<dd>Collect any new statistics available since the last time
<a title="celery.monitoring.StatsCollector.collect" class="reference internal" href="#celery.monitoring.StatsCollector.collect"><tt class="xref docutils literal"><span class="pre">collect()</span></tt></a> was executed.</dd></dl>

<dl class="method">
<dt id="celery.monitoring.StatsCollector.dump_to_cache">
<tt class="descname">dump_to_cache</tt><big>(</big><em>cache_key_prefix='celery-statistics'</em><big>)</big><a class="headerlink" href="#celery.monitoring.StatsCollector.dump_to_cache" title="Permalink to this definition">¶</a></dt>
<dd>Store collected statistics in the cache.</dd></dl>

<dl class="method">
<dt id="celery.monitoring.StatsCollector.report">
<tt class="descname">report</tt><big>(</big><big>)</big><a class="headerlink" href="#celery.monitoring.StatsCollector.report" title="Permalink to this definition">¶</a></dt>
<dd><p>Dump a nice statistics report from the data collected since
the first time <a title="celery.monitoring.StatsCollector.collect" class="reference internal" href="#celery.monitoring.StatsCollector.collect"><tt class="xref docutils literal"><span class="pre">collect()</span></tt></a> was executed on this instance.</p>
<p>It outputs the following information:</p>
<ul>
<li><dl class="first docutils">
<dt>Total processing time by task type and how many times each</dt>
<dd><p class="first last">task has been excuted.</p>
</dd>
</dl>
</li>
<li><p class="first">Total task processing time.</p>
</li>
<li><p class="first">Total number of tasks executed</p>
</li>
</ul>
</dd></dl>

<dl class="method">
<dt id="celery.monitoring.StatsCollector.task_time_running">
<tt class="descname">task_time_running</tt><big>(</big><em>task_id</em>, <em>task_name</em>, <em>args</em>, <em>kwargs</em>, <em>nsecs</em><big>)</big><a class="headerlink" href="#celery.monitoring.StatsCollector.task_time_running" title="Permalink to this definition">¶</a></dt>
<dd><p>Process statistics regarding how long a task has been running
(the :class:TaskTimerStats` class is responsible for sending these).</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first last simple">
<li><em>task_id</em> &#8211; The UUID of the task.</li>
<li><em>task_name</em> &#8211; The name of task.</li>
<li><em>args</em> &#8211; The tasks positional arguments.</li>
<li><em>kwargs</em> &#8211; The tasks keyword arguments.</li>
<li><em>nsecs</em> &#8211; The number of seconds (in <tt class="xref docutils literal"><span class="pre">time.time()</span></tt> format)
it took to execute the task.</li>
</ul>
</td>
</tr>
</tbody>
</table>
</dd></dl>

</dd></dl>

<dl class="class">
<dt id="celery.monitoring.TaskTimerStats">
<em class="property">
class </em><tt class="descclassname">celery.monitoring.</tt><tt class="descname">TaskTimerStats</tt><big>(</big><em>**kwargs</em><big>)</big><a class="headerlink" href="#celery.monitoring.TaskTimerStats" title="Permalink to this definition">¶</a></dt>
<dd>Time a running <tt class="xref docutils literal"><span class="pre">celery.task.Task</span></tt>.</dd></dl>

<dl class="class">
<dt id="celery.monitoring.TimerStats">
<em class="property">
class </em><tt class="descclassname">celery.monitoring.</tt><tt class="descname">TimerStats</tt><big>(</big><em>**kwargs</em><big>)</big><a class="headerlink" href="#celery.monitoring.TimerStats" title="Permalink to this definition">¶</a></dt>
<dd><p>A generic timer producing <tt class="docutils literal"><span class="pre">celery</span></tt> statistics.</p>
<dl class="attribute">
<dt id="celery.monitoring.TimerStats.time_start">
<tt class="descname">time_start</tt><a class="headerlink" href="#celery.monitoring.TimerStats.time_start" title="Permalink to this definition">¶</a></dt>
<dd>The time when this class was instantiated (in <tt class="xref docutils literal"><span class="pre">time.time()</span></tt>
format.)</dd></dl>

<dl class="method">
<dt id="celery.monitoring.TimerStats.on_finish">
<tt class="descname">on_finish</tt><big>(</big><big>)</big><a class="headerlink" href="#celery.monitoring.TimerStats.on_finish" title="Permalink to this definition">¶</a></dt>
<dd><p>What to do when the timers <tt class="xref docutils literal"><span class="pre">stop()</span></tt> method is called.</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field"><th class="field-name">Returns:</th><td class="field-body">the time in seconds it took between calling <tt class="xref docutils literal"><span class="pre">start()</span></tt> on
this class and <tt class="xref docutils literal"><span class="pre">stop()</span></tt>.</td>
</tr>
</tbody>
</table>
</dd></dl>

<dl class="method">
<dt id="celery.monitoring.TimerStats.on_start">
<tt class="descname">on_start</tt><big>(</big><em>task_id</em>, <em>task_name</em>, <em>args</em>, <em>kwargs</em><big>)</big><a class="headerlink" href="#celery.monitoring.TimerStats.on_start" title="Permalink to this definition">¶</a></dt>
<dd>What to do when the timers <tt class="xref docutils literal"><span class="pre">run()</span></tt> method is called.</dd></dl>

</dd></dl>

</div>


          </div>
        </div>
      </div>
      <div class="sphinxsidebar">
        <div class="sphinxsidebarwrapper">
            <h4>Previous topic</h4>
            <p class="topless"><a href="celery.discovery.html"
                                  title="previous chapter">Task Discovery - celery.discovery</a></p>
            <h4>Next topic</h4>
            <p class="topless"><a href="celery.messaging.html"
                                  title="next chapter">Messaging - celery.messaging</a></p>
            <h3>This Page</h3>
            <ul class="this-page-menu">
              <li><a href="../sources/reference/celery.monitoring.txt"
                     rel="nofollow">Show Source</a></li>
            </ul>
          <div id="searchbox" style="display: none">
            <h3>Quick search</h3>
              <form class="search" action="../search.html" method="get">
                <input type="text" name="q" size="18" />
                <input type="submit" value="Go" />
                <input type="hidden" name="check_keywords" value="yes" />
                <input type="hidden" name="area" value="default" />
              </form>
              <p class="searchtip" style="font-size: 90%">
              Enter search terms or a module, class or function name.
              </p>
          </div>
          <script type="text/javascript">$('#searchbox').show(0);</script>
        </div>
      </div>
      <div class="clearer"></div>
    </div>
    <div class="related">
      <h3>Navigation</h3>
      <ul>
        <li class="right" style="margin-right: 10px">
          <a href="../genindex.html" title="General Index"
             >index</a></li>
        <li class="right" >
          <a href="../modindex.html" title="Global Module Index"
             >modules</a> |</li>
        <li class="right" >
          <a href="celery.messaging.html" title="Messaging - celery.messaging"
             >next</a> |</li>
        <li class="right" >
          <a href="celery.discovery.html" title="Task Discovery - celery.discovery"
             >previous</a> |</li>
        <li><a href="../index.html">Celery v0.7.0 (unstable) documentation</a> &raquo;</li>
          <li><a href="index.html" >Module API Reference</a> &raquo;</li> 
      </ul>
    </div>
    <div class="footer">
      &copy; Copyright 2009, Ask Solem.
      Created using <a href="http://sphinx.pocoo.org/">Sphinx</a> 0.6.2.
    </div>
  </body>
</html>