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  <div class="section" id="module-celery.bin.celeryd">
<h1>Celery Worker Daemon - celery.bin.celeryd<a class="headerlink" href="#module-celery.bin.celeryd" title="Permalink to this headline">¶</a></h1>
<p>celeryd</p>
<dl class="cmdoption">
<dt id="cmdoption-celeryd-c">
<tt class="descname">-c</tt><tt class="descclassname"></tt><tt class="descclassname">, </tt><tt class="descname">--concurrency</tt><tt class="descclassname"></tt><a class="headerlink" href="#cmdoption-celeryd-c" title="Permalink to this definition">¶</a></dt>
<dd>Number of child processes processing the queue. The default
is the number of CPUs available on your system.</dd></dl>

<dl class="cmdoption">
<dt id="cmdoption-celeryd-f">
<tt class="descname">-f</tt><tt class="descclassname"></tt><tt class="descclassname">, </tt><tt class="descname">--logfile</tt><tt class="descclassname"></tt><a class="headerlink" href="#cmdoption-celeryd-f" title="Permalink to this definition">¶</a></dt>
<dd>Path to log file. If no logfile is specified, <tt class="docutils literal"><span class="pre">stderr</span></tt> is used.</dd></dl>

<dl class="cmdoption">
<dt id="cmdoption-celeryd-l">
<tt class="descname">-l</tt><tt class="descclassname"></tt><tt class="descclassname">, </tt><tt class="descname">--loglevel</tt><tt class="descclassname"></tt><a class="headerlink" href="#cmdoption-celeryd-l" title="Permalink to this definition">¶</a></dt>
<dd>Logging level, choose between <tt class="docutils literal"><span class="pre">DEBUG</span></tt>, <tt class="docutils literal"><span class="pre">INFO</span></tt>, <tt class="docutils literal"><span class="pre">WARNING</span></tt>,
<tt class="docutils literal"><span class="pre">ERROR</span></tt>, <tt class="docutils literal"><span class="pre">CRITICAL</span></tt>, or <tt class="docutils literal"><span class="pre">FATAL</span></tt>.</dd></dl>

<dl class="cmdoption">
<dt id="cmdoption-celeryd-p">
<tt class="descname">-p</tt><tt class="descclassname"></tt><tt class="descclassname">, </tt><tt class="descname">--pidfile</tt><tt class="descclassname"></tt><a class="headerlink" href="#cmdoption-celeryd-p" title="Permalink to this definition">¶</a></dt>
<dd>Path to pidfile.</dd></dl>

<dl class="cmdoption">
<dt id="cmdoption-celeryd-s">
<tt class="descname">-s</tt><tt class="descclassname"></tt><tt class="descclassname">, </tt><tt class="descname">--statistics</tt><tt class="descclassname"></tt><a class="headerlink" href="#cmdoption-celeryd-s" title="Permalink to this definition">¶</a></dt>
<dd>Turn on reporting of statistics (remember to flush the statistics message
queue from time to time).</dd></dl>

<dl class="cmdoption">
<dt id="cmdoption-celeryd-d">
<tt class="descname">-d</tt><tt class="descclassname"></tt><tt class="descclassname">, </tt><tt class="descname">--detach</tt><tt class="descclassname"></tt><tt class="descclassname">, </tt><tt class="descname">--daemon</tt><tt class="descclassname"></tt><a class="headerlink" href="#cmdoption-celeryd-d" title="Permalink to this definition">¶</a></dt>
<dd>Run in the background as a daemon.</dd></dl>

<dl class="cmdoption">
<dt id="cmdoption-celeryd-S">
<tt class="descname">-S</tt><tt class="descclassname"></tt><tt class="descclassname">, </tt><tt class="descname">--supervised</tt><tt class="descclassname"></tt><a class="headerlink" href="#cmdoption-celeryd-S" title="Permalink to this definition">¶</a></dt>
<dd>Restart the worker server if it dies.</dd></dl>

<dl class="cmdoption">
<dt id="cmdoption-celeryd--discard">
<tt class="descname">--discard</tt><tt class="descclassname"></tt><a class="headerlink" href="#cmdoption-celeryd--discard" title="Permalink to this definition">¶</a></dt>
<dd>Discard all waiting tasks before the daemon is started.
<strong>WARNING</strong>: This is unrecoverable, and the tasks will be
deleted from the messaging server.</dd></dl>

<dl class="cmdoption">
<dt id="cmdoption-celeryd-u">
<tt class="descname">-u</tt><tt class="descclassname"></tt><tt class="descclassname">, </tt><tt class="descname">--uid</tt><tt class="descclassname"></tt><a class="headerlink" href="#cmdoption-celeryd-u" title="Permalink to this definition">¶</a></dt>
<dd>User-id to run <tt class="docutils literal"><span class="pre">celeryd</span></tt> as when in daemon mode.</dd></dl>

<dl class="cmdoption">
<dt id="cmdoption-celeryd-g">
<tt class="descname">-g</tt><tt class="descclassname"></tt><tt class="descclassname">, </tt><tt class="descname">--gid</tt><tt class="descclassname"></tt><a class="headerlink" href="#cmdoption-celeryd-g" title="Permalink to this definition">¶</a></dt>
<dd>Group-id to run <tt class="docutils literal"><span class="pre">celeryd</span></tt> as when in daemon mode.</dd></dl>

<dl class="cmdoption">
<dt id="cmdoption-celeryd--umask">
<tt class="descname">--umask</tt><tt class="descclassname"></tt><a class="headerlink" href="#cmdoption-celeryd--umask" title="Permalink to this definition">¶</a></dt>
<dd>umask of the process when in daemon mode.</dd></dl>

<dl class="cmdoption">
<dt id="cmdoption-celeryd--workdir">
<tt class="descname">--workdir</tt><tt class="descclassname"></tt><a class="headerlink" href="#cmdoption-celeryd--workdir" title="Permalink to this definition">¶</a></dt>
<dd>Directory to change to when in daemon mode.</dd></dl>

<dl class="cmdoption">
<dt id="cmdoption-celeryd--chroot">
<tt class="descname">--chroot</tt><tt class="descclassname"></tt><a class="headerlink" href="#cmdoption-celeryd--chroot" title="Permalink to this definition">¶</a></dt>
<dd>Change root directory to this path when in daemon mode.</dd></dl>

<dl class="function">
<dt id="celery.bin.celeryd.acquire_pidlock">
<tt class="descclassname">celery.bin.celeryd.</tt><tt class="descname">acquire_pidlock</tt><big>(</big><em>pidfile</em><big>)</big><a class="headerlink" href="#celery.bin.celeryd.acquire_pidlock" title="Permalink to this definition">¶</a></dt>
<dd><p>Get the <tt class="xref docutils literal"><span class="pre">daemon.pidlockfile.PIDLockFile</span></tt> handler for
<tt class="docutils literal"><span class="pre">pidfile</span></tt>.</p>
<p>If the <tt class="docutils literal"><span class="pre">pidfile</span></tt> already exists, but the process is not running the
<tt class="docutils literal"><span class="pre">pidfile</span></tt> will be removed, a <tt class="docutils literal"><span class="pre">&quot;stale</span> <span class="pre">pidfile&quot;</span></tt> message is emitted
and execution continues as normally. However, if the process is still
running the program will exit complaning that the program is already
running in the background somewhere.</p>
</dd></dl>

<dl class="function">
<dt id="celery.bin.celeryd.install_restart_signal_handler">
<tt class="descclassname">celery.bin.celeryd.</tt><tt class="descname">install_restart_signal_handler</tt><big>(</big><em>worker</em><big>)</big><a class="headerlink" href="#celery.bin.celeryd.install_restart_signal_handler" title="Permalink to this definition">¶</a></dt>
<dd>Installs a signal handler that restarts the current program
when it receives the <tt class="docutils literal"><span class="pre">SIGHUP</span></tt> signal.</dd></dl>

<dl class="function">
<dt id="celery.bin.celeryd.parse_options">
<tt class="descclassname">celery.bin.celeryd.</tt><tt class="descname">parse_options</tt><big>(</big><em>arguments</em><big>)</big><a class="headerlink" href="#celery.bin.celeryd.parse_options" title="Permalink to this definition">¶</a></dt>
<dd>Parse the available options to <tt class="docutils literal"><span class="pre">celeryd</span></tt>.</dd></dl>

<dl class="function">
<dt id="celery.bin.celeryd.run_worker">
<tt class="descclassname">celery.bin.celeryd.</tt><tt class="descname">run_worker</tt><big>(</big><em>concurrency=16</em>, <em>detach=False</em>, <em>loglevel=20</em>, <em>logfile='celeryd.log'</em>, <em>discard=False</em>, <em>pidfile='celeryd.pid'</em>, <em>umask=0</em>, <em>uid=None</em>, <em>gid=None</em>, <em>supervised=False</em>, <em>working_directory=None</em>, <em>chroot=None</em>, <em>statistics=None</em>, <em>**kwargs</em><big>)</big><a class="headerlink" href="#celery.bin.celeryd.run_worker" title="Permalink to this definition">¶</a></dt>
<dd>Starts the celery worker server.</dd></dl>

</div>


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