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<div class="section" id="scdbstrip">
<span id="id1"></span><h1>scdbstrip<a class="headerlink" href="#scdbstrip" title="Permalink to this headline"></a></h1>
<p><strong>Clean up a database from event and waveform quality parameters.</strong></p>
<div class="section" id="description">
<h2>Description<a class="headerlink" href="#description" title="Permalink to this headline"></a></h2>
<p><cite>SeisComP</cite>’s <a class="reference internal" href="scmaster.html#scmaster"><span class="std std-ref">scmaster</span></a> is continuously writing to the database. This causes
the database to grow and to occupy much space on the harddisc. scdbstrip taggles
this problem and removes processed objects from the database older than a
configurable time span. The time comparison considers the object time, not the
time of their creation.</p>
<p>This clean-up procedure is based on</p>
<ul class="simple">
<li><p>Events, event parameters,</p></li>
<li><p>waveform quality control, QC, parameters.</p></li>
</ul>
<p>scdbstrip will remove all events with an origin time and QC parameters older or
younger than specified. Default is ‘older’. It will also remove all associated
objects such as picks, origins, arrivals, amplitudes and so on.</p>
<p>scdbstrip does not run as a daemon. To remove old objects continuously scdbstrip
should be added to the list of cronjobs running every e.g. 30 minutes. The more
often it runs the less objects it has to remove and the faster it will unlock
the database again. The timing and the parameters to be removed is controlled
by module configuration or command-line options.</p>
<div class="admonition hint">
<p class="admonition-title">Hint</p>
<p>For removing specific parameters and not all in a time range, use
<a class="reference internal" href="scdispatch.html#scdispatch"><span class="std std-ref">scdispatch</span></a> along with XML files created by <a class="reference internal" href="scxmldump.html#scxmldump"><span class="std std-ref">scxmldump</span></a> and
<a class="reference internal" href="scqueryqc.html#scqueryqc"><span class="std std-ref">scqueryqc</span></a> for event parameters and waveform QC parameters,
respectively.</p>
</div>
</div>
<div class="section" id="known-issues">
<h2>Known Issues<a class="headerlink" href="#known-issues" title="Permalink to this headline"></a></h2>
<p>When running scdbstrip for the first time on a large database it can happen
that it aborts in case of MYSQL with the following error message:</p>
<div class="highlight-sh notranslate"><div class="highlight"><pre><span></span><span class="o">[</span> <span class="m">3</span>%<span class="o">]</span> Delete origin references of old events...08:48:22 <span class="o">[</span>error<span class="o">]</span>
execute<span class="o">(</span><span class="s2">&quot;delete Object from Object, OriginReference, old_events where</span>
<span class="s2">Object._oid=OriginReference._oid and</span>
<span class="s2">OriginReference._parent_oid=old_events._oid&quot;</span><span class="o">)</span> <span class="o">=</span> <span class="m">1206</span> <span class="o">(</span>The total number
of locks exceeds the lock table size<span class="o">)</span>
Exception: ERROR: <span class="nb">command</span> <span class="s1">&#39;delete Object from Object, OriginReference,</span>
<span class="s1">old_events where Object._oid=OriginReference._oid and</span>
<span class="s1">OriginReference._parent_oid=old_events._oid&#39;</span> failed
</pre></div>
</div>
<p>That means your MYSQL server cannot hold enough data required for deletion.
There are two solutions to this:</p>
<ol class="arabic">
<li><p>Increase the memory pool used by MYSQL by changing the configuration. The
minimum is 64 MBytes but modern system typically have a larger default:</p>
<div class="highlight-sh notranslate"><div class="highlight"><pre><span></span><span class="nv">innodb_buffer_pool_size</span> <span class="o">=</span> 64M
</pre></div>
</div>
<p>The size of the new buffer depends on the size of the database that should
be cleaned up. Read also the section <a class="reference internal" href="../base/installation.html#database-configuration"><span class="std std-ref">Database Server Configuration</span></a>. It
provides more options for optimizing your database server.</p>
</li>
<li><p>Run scdbstrip on smaller batches for the first time:</p>
<div class="highlight-sh notranslate"><div class="highlight"><pre><span></span>$ scdbstrip -d seis:mypass@localhost/seiscomp --days <span class="m">1000</span>
$ scdbstrip -d seis:mypass@localhost/seiscomp --days <span class="m">900</span>
...
$ scdbstrip -d seis:mypass@localhost/seiscomp --days <span class="m">100</span>
</pre></div>
</div>
</li>
</ol>
</div>
<div class="section" id="examples">
<h2>Examples<a class="headerlink" href="#examples" title="Permalink to this headline"></a></h2>
<ul>
<li><p>Remove event and waveform quality parameters older than 30 days</p>
<div class="highlight-sh notranslate"><div class="highlight"><pre><span></span>scdbstrip -d mysql://sysop:sysop@localhost/seiscomp --days <span class="m">30</span>
</pre></div>
</div>
</li>
<li><p>Only remove waveform QC parameters older than 30 days but no others</p>
<div class="highlight-sh notranslate"><div class="highlight"><pre><span></span>scdbstrip -d mysql://sysop:sysop@localhost/seiscomp --days <span class="m">30</span> --qc-only
</pre></div>
</div>
</li>
</ul>
</div>
<div class="section" id="module-configuration">
<span id="scdbstrip-configuration"></span><h2>Module Configuration<a class="headerlink" href="#module-configuration" title="Permalink to this headline"></a></h2>
<div class="line-block">
<div class="line"><code class="file docutils literal notranslate"><span class="pre">etc/defaults/global.cfg</span></code></div>
<div class="line"><code class="file docutils literal notranslate"><span class="pre">etc/defaults/scdbstrip.cfg</span></code></div>
<div class="line"><code class="file docutils literal notranslate"><span class="pre">etc/global.cfg</span></code></div>
<div class="line"><code class="file docutils literal notranslate"><span class="pre">etc/scdbstrip.cfg</span></code></div>
<div class="line"><code class="file docutils literal notranslate"><span class="pre">~/.seiscomp/global.cfg</span></code></div>
<div class="line"><code class="file docutils literal notranslate"><span class="pre">~/.seiscomp/scdbstrip.cfg</span></code></div>
</div>
<p>scdbstrip inherits <a class="reference internal" href="global.html#global-configuration"><span class="std std-ref">global options</span></a>.</p>
<dl class="confval">
<dt id="confval-database.cleanup.invertMode">
<code class="sig-name descname">database.cleanup.invertMode</code><a class="headerlink" href="#confval-database.cleanup.invertMode" title="Permalink to this definition"></a></dt>
<dd><p>Default: <code class="docutils literal notranslate"><span class="pre">false</span></code></p>
<p>Type: <em>boolean</em></p>
<p>Delete all parameters after the specified time period,
not before.</p>
</dd></dl>
<dl class="confval">
<dt id="confval-database.cleanup.eventParameters">
<code class="sig-name descname">database.cleanup.eventParameters</code><a class="headerlink" href="#confval-database.cleanup.eventParameters" title="Permalink to this definition"></a></dt>
<dd><p>Default: <code class="docutils literal notranslate"><span class="pre">true</span></code></p>
<p>Type: <em>boolean</em></p>
<p>Strip all event parameters including events, origins,
magnitudes, amplitudes, arrivals, picks, focal mechanisms.</p>
</dd></dl>
<dl class="confval">
<dt id="confval-database.cleanup.qualityControl">
<code class="sig-name descname">database.cleanup.qualityControl</code><a class="headerlink" href="#confval-database.cleanup.qualityControl" title="Permalink to this definition"></a></dt>
<dd><p>Default: <code class="docutils literal notranslate"><span class="pre">true</span></code></p>
<p>Type: <em>boolean</em></p>
<p>Strip waveform quality control (QC) parameters.</p>
</dd></dl>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p><strong>database.cleanup.keep.*</strong>
<em>Parameters controlling the time to keep objects in the database.</em>
<em>The time comparison considers the object time, not the time of</em>
<em>their creation.</em></p>
</div>
<dl class="confval">
<dt id="confval-database.cleanup.keep.days">
<code class="sig-name descname">database.cleanup.keep.days</code><a class="headerlink" href="#confval-database.cleanup.keep.days" title="Permalink to this definition"></a></dt>
<dd><p>Default: <code class="docutils literal notranslate"><span class="pre">30</span></code></p>
<p>Type: <em>int</em></p>
<p>The number of days to preserve in the database. This
value is added to the whole timespan. Hours
and minutes are configured separately.</p>
</dd></dl>
<dl class="confval">
<dt id="confval-database.cleanup.keep.hours">
<code class="sig-name descname">database.cleanup.keep.hours</code><a class="headerlink" href="#confval-database.cleanup.keep.hours" title="Permalink to this definition"></a></dt>
<dd><p>Default: <code class="docutils literal notranslate"><span class="pre">0</span></code></p>
<p>Type: <em>int</em></p>
<p>The number of hours to preserve in the database. This
value is added to the whole timespan. Days
and minutes are configured separately.</p>
</dd></dl>
<dl class="confval">
<dt id="confval-database.cleanup.keep.minutes">
<code class="sig-name descname">database.cleanup.keep.minutes</code><a class="headerlink" href="#confval-database.cleanup.keep.minutes" title="Permalink to this definition"></a></dt>
<dd><p>Default: <code class="docutils literal notranslate"><span class="pre">0</span></code></p>
<p>Type: <em>int</em></p>
<p>The number of minutes to preserve in the database. This
value is added to the whole timespan. Days
and hours are configured separately.</p>
</dd></dl>
</div>
<div class="section" id="command-line-options">
<h2>Command-Line Options<a class="headerlink" href="#command-line-options" title="Permalink to this headline"></a></h2>
<p><strong class="program">scdbstrip [options]</strong></p>
<div class="section" id="generic">
<h3>Generic<a class="headerlink" href="#generic" title="Permalink to this headline"></a></h3>
<dl class="option">
<dt id="cmdoption-scdbstrip-h">
<code class="sig-name descname">-h</code><code class="sig-prename descclassname"></code><code class="sig-prename descclassname">, </code><code class="sig-name descname">--help</code><code class="sig-prename descclassname"></code><a class="headerlink" href="#cmdoption-scdbstrip-h" title="Permalink to this definition"></a></dt>
<dd><p>Show help message.</p>
</dd></dl>
<dl class="option">
<dt id="cmdoption-scdbstrip-v">
<code class="sig-name descname">-V</code><code class="sig-prename descclassname"></code><code class="sig-prename descclassname">, </code><code class="sig-name descname">--version</code><code class="sig-prename descclassname"></code><a class="headerlink" href="#cmdoption-scdbstrip-v" title="Permalink to this definition"></a></dt>
<dd><p>Show version information.</p>
</dd></dl>
<dl class="option">
<dt id="cmdoption-scdbstrip-config-file">
<code class="sig-name descname">--config-file</code><code class="sig-prename descclassname"> arg</code><a class="headerlink" href="#cmdoption-scdbstrip-config-file" title="Permalink to this definition"></a></dt>
<dd><p>Use alternative configuration file. When this option is
used the loading of all stages is disabled. Only the
given configuration file is parsed and used. To use
another name for the configuration create a symbolic
link of the application or copy it. Example:
scautopick -&gt; scautopick2.</p>
</dd></dl>
<dl class="option">
<dt id="cmdoption-scdbstrip-plugins">
<code class="sig-name descname">--plugins</code><code class="sig-prename descclassname"> arg</code><a class="headerlink" href="#cmdoption-scdbstrip-plugins" title="Permalink to this definition"></a></dt>
<dd><p>Load given plugins.</p>
</dd></dl>
<dl class="option">
<dt id="cmdoption-scdbstrip-first-new">
<code class="sig-name descname">--first-new</code><code class="sig-prename descclassname"></code><a class="headerlink" href="#cmdoption-scdbstrip-first-new" title="Permalink to this definition"></a></dt>
<dd><p>Overrides configuration parameter <a class="reference internal" href="scvoice.html#confval-firstNew"><code class="xref std std-confval docutils literal notranslate"><span class="pre">firstNew</span></code></a>.</p>
</dd></dl>
</div>
<div class="section" id="verbosity">
<h3>Verbosity<a class="headerlink" href="#verbosity" title="Permalink to this headline"></a></h3>
<dl class="option">
<dt id="cmdoption-scdbstrip-verbosity">
<code class="sig-name descname">--verbosity</code><code class="sig-prename descclassname"> arg</code><a class="headerlink" href="#cmdoption-scdbstrip-verbosity" title="Permalink to this definition"></a></dt>
<dd><p>Verbosity level [0..4]. 0:quiet, 1:error, 2:warning, 3:info,
4:debug.</p>
</dd></dl>
<dl class="option">
<dt id="id2">
<code class="sig-name descname">-v</code><code class="sig-prename descclassname"></code><code class="sig-prename descclassname">, </code><code class="sig-name descname">--v</code><code class="sig-prename descclassname"></code><a class="headerlink" href="#id2" title="Permalink to this definition"></a></dt>
<dd><p>Increase verbosity level (may be repeated, eg. -vv).</p>
</dd></dl>
<dl class="option">
<dt id="cmdoption-scdbstrip-q">
<code class="sig-name descname">-q</code><code class="sig-prename descclassname"></code><code class="sig-prename descclassname">, </code><code class="sig-name descname">--quiet</code><code class="sig-prename descclassname"></code><a class="headerlink" href="#cmdoption-scdbstrip-q" title="Permalink to this definition"></a></dt>
<dd><p>Quiet mode: no logging output.</p>
</dd></dl>
<dl class="option">
<dt id="cmdoption-scdbstrip-component">
<code class="sig-name descname">--component</code><code class="sig-prename descclassname"> arg</code><a class="headerlink" href="#cmdoption-scdbstrip-component" title="Permalink to this definition"></a></dt>
<dd><p>Limit the logging to a certain component. This option can
be given more than once.</p>
</dd></dl>
<dl class="option">
<dt id="cmdoption-scdbstrip-s">
<code class="sig-name descname">-s</code><code class="sig-prename descclassname"></code><code class="sig-prename descclassname">, </code><code class="sig-name descname">--syslog</code><code class="sig-prename descclassname"></code><a class="headerlink" href="#cmdoption-scdbstrip-s" title="Permalink to this definition"></a></dt>
<dd><p>Use syslog logging backend. The output usually goes to
/var/lib/messages.</p>
</dd></dl>
<dl class="option">
<dt id="cmdoption-scdbstrip-l">
<code class="sig-name descname">-l</code><code class="sig-prename descclassname"></code><code class="sig-prename descclassname">, </code><code class="sig-name descname">--lockfile</code><code class="sig-prename descclassname"> arg</code><a class="headerlink" href="#cmdoption-scdbstrip-l" title="Permalink to this definition"></a></dt>
<dd><p>Path to lock file.</p>
</dd></dl>
<dl class="option">
<dt id="cmdoption-scdbstrip-console">
<code class="sig-name descname">--console</code><code class="sig-prename descclassname"> arg</code><a class="headerlink" href="#cmdoption-scdbstrip-console" title="Permalink to this definition"></a></dt>
<dd><p>Send log output to stdout.</p>
</dd></dl>
<dl class="option">
<dt id="cmdoption-scdbstrip-debug">
<code class="sig-name descname">--debug</code><code class="sig-prename descclassname"></code><a class="headerlink" href="#cmdoption-scdbstrip-debug" title="Permalink to this definition"></a></dt>
<dd><p>Execute in debug mode.
Equivalent to –verbosity=4 –console=1 .</p>
</dd></dl>
<dl class="option">
<dt id="cmdoption-scdbstrip-log-file">
<code class="sig-name descname">--log-file</code><code class="sig-prename descclassname"> arg</code><a class="headerlink" href="#cmdoption-scdbstrip-log-file" title="Permalink to this definition"></a></dt>
<dd><p>Use alternative log file.</p>
</dd></dl>
</div>
<div class="section" id="database">
<h3>Database<a class="headerlink" href="#database" title="Permalink to this headline"></a></h3>
<dl class="option">
<dt id="cmdoption-scdbstrip-db-driver-list">
<code class="sig-name descname">--db-driver-list</code><code class="sig-prename descclassname"></code><a class="headerlink" href="#cmdoption-scdbstrip-db-driver-list" title="Permalink to this definition"></a></dt>
<dd><p>List all supported database drivers.</p>
</dd></dl>
<dl class="option">
<dt id="cmdoption-scdbstrip-d">
<code class="sig-name descname">-d</code><code class="sig-prename descclassname"></code><code class="sig-prename descclassname">, </code><code class="sig-name descname">--database</code><code class="sig-prename descclassname"> arg</code><a class="headerlink" href="#cmdoption-scdbstrip-d" title="Permalink to this definition"></a></dt>
<dd><p>The database connection string, format:
<a class="reference external" href="service://user:pwd&#64;host/database">service://user:pwd&#64;host/database</a>.
“service” is the name of the database driver which
can be queried with “–db-driver-list”.</p>
</dd></dl>
<dl class="option">
<dt id="cmdoption-scdbstrip-config-module">
<code class="sig-name descname">--config-module</code><code class="sig-prename descclassname"> arg</code><a class="headerlink" href="#cmdoption-scdbstrip-config-module" title="Permalink to this definition"></a></dt>
<dd><p>The config module to use.</p>
</dd></dl>
<dl class="option">
<dt id="cmdoption-scdbstrip-inventory-db">
<code class="sig-name descname">--inventory-db</code><code class="sig-prename descclassname"> arg</code><a class="headerlink" href="#cmdoption-scdbstrip-inventory-db" title="Permalink to this definition"></a></dt>
<dd><p>Load the inventory from the given database or file, format:
[<a class="reference external" href="service://]location">service://]location</a> .</p>
</dd></dl>
<dl class="option">
<dt id="cmdoption-scdbstrip-db-disable">
<code class="sig-name descname">--db-disable</code><code class="sig-prename descclassname"></code><a class="headerlink" href="#cmdoption-scdbstrip-db-disable" title="Permalink to this definition"></a></dt>
<dd><p>Do not use the database at all</p>
</dd></dl>
</div>
<div class="section" id="mode">
<h3>Mode<a class="headerlink" href="#mode" title="Permalink to this headline"></a></h3>
<dl class="option">
<dt id="cmdoption-scdbstrip-check">
<code class="sig-name descname">--check</code><code class="sig-prename descclassname"></code><a class="headerlink" href="#cmdoption-scdbstrip-check" title="Permalink to this definition"></a></dt>
<dd><p>Checks if unreachable objects exist.</p>
</dd></dl>
<dl class="option">
<dt id="cmdoption-scdbstrip-clean-unused">
<code class="sig-name descname">--clean-unused</code><code class="sig-prename descclassname"></code><a class="headerlink" href="#cmdoption-scdbstrip-clean-unused" title="Permalink to this definition"></a></dt>
<dd><p>Remove all unreachable objects when in checkmode. Default:
off.</p>
</dd></dl>
</div>
<div class="section" id="objects">
<h3>Objects<a class="headerlink" href="#objects" title="Permalink to this headline"></a></h3>
<dl class="option">
<dt id="cmdoption-scdbstrip-e">
<code class="sig-name descname">-E</code><code class="sig-prename descclassname"></code><code class="sig-prename descclassname">, </code><code class="sig-name descname">--ep-only</code><code class="sig-prename descclassname"></code><a class="headerlink" href="#cmdoption-scdbstrip-e" title="Permalink to this definition"></a></dt>
<dd><p>Strip only event parameters. Other parameters, like QC, are
are ignored.</p>
</dd></dl>
<dl class="option">
<dt id="cmdoption-scdbstrip-qc-only">
<code class="sig-name descname">-Q</code><code class="sig-prename descclassname"></code><code class="sig-prename descclassname">, </code><code class="sig-name descname">--qc-only</code><code class="sig-prename descclassname"></code><a class="headerlink" href="#cmdoption-scdbstrip-qc-only" title="Permalink to this definition"></a></dt>
<dd><p>Strip only waveform quality control (QC) parameters. Other
parameters, like event parameters, are are ignored.
Overrides ‘eq-only’.</p>
</dd></dl>
</div>
<div class="section" id="timespan">
<h3>Timespan<a class="headerlink" href="#timespan" title="Permalink to this headline"></a></h3>
<dl class="option">
<dt id="cmdoption-scdbstrip-days">
<code class="sig-name descname">--days</code><code class="sig-prename descclassname"> arg</code><a class="headerlink" href="#cmdoption-scdbstrip-days" title="Permalink to this definition"></a></dt>
<dd><p>Overrides configuration parameter <a class="reference internal" href="#confval-database.cleanup.keep.days"><code class="xref std std-confval docutils literal notranslate"><span class="pre">database.cleanup.keep.days</span></code></a>.</p>
</dd></dl>
<dl class="option">
<dt id="cmdoption-scdbstrip-hours">
<code class="sig-name descname">--hours</code><code class="sig-prename descclassname"> arg</code><a class="headerlink" href="#cmdoption-scdbstrip-hours" title="Permalink to this definition"></a></dt>
<dd><p>Overrides configuration parameter <a class="reference internal" href="#confval-database.cleanup.keep.hours"><code class="xref std std-confval docutils literal notranslate"><span class="pre">database.cleanup.keep.hours</span></code></a>.</p>
</dd></dl>
<dl class="option">
<dt id="cmdoption-scdbstrip-minutes">
<code class="sig-name descname">--minutes</code><code class="sig-prename descclassname"> arg</code><a class="headerlink" href="#cmdoption-scdbstrip-minutes" title="Permalink to this definition"></a></dt>
<dd><p>Overrides configuration parameter <a class="reference internal" href="#confval-database.cleanup.keep.minutes"><code class="xref std std-confval docutils literal notranslate"><span class="pre">database.cleanup.keep.minutes</span></code></a>.</p>
</dd></dl>
<dl class="option">
<dt id="cmdoption-scdbstrip-datetime">
<code class="sig-name descname">--datetime</code><code class="sig-prename descclassname"> arg</code><a class="headerlink" href="#cmdoption-scdbstrip-datetime" title="Permalink to this definition"></a></dt>
<dd><p>Replaces the days:hours:minutes timespan definition by an
aribtrary absolute timestamp in UTC. The format is
%Y-%m-%d %H:%M:%S.</p>
</dd></dl>
<dl class="option">
<dt id="cmdoption-scdbstrip-i">
<code class="sig-name descname">-i</code><code class="sig-prename descclassname"></code><code class="sig-prename descclassname">, </code><code class="sig-name descname">--invert</code><code class="sig-prename descclassname"></code><a class="headerlink" href="#cmdoption-scdbstrip-i" title="Permalink to this definition"></a></dt>
<dd><p>Overrides configuration parameter <a class="reference internal" href="#confval-database.cleanup.invertMode"><code class="xref std std-confval docutils literal notranslate"><span class="pre">database.cleanup.invertMode</span></code></a>.</p>
</dd></dl>
<dl class="option">
<dt id="cmdoption-scdbstrip-keep-events">
<code class="sig-name descname">--keep-events</code><code class="sig-prename descclassname"></code><a class="headerlink" href="#cmdoption-scdbstrip-keep-events" title="Permalink to this definition"></a></dt>
<dd><p>IDs of events to keep in the database separated with comma.</p>
</dd></dl>
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<h3><a href="../index.html">Table of Contents</a></h3>
<ul>
<li><a class="reference internal" href="#">scdbstrip</a><ul>
<li><a class="reference internal" href="#description">Description</a></li>
<li><a class="reference internal" href="#known-issues">Known Issues</a></li>
<li><a class="reference internal" href="#examples">Examples</a></li>
<li><a class="reference internal" href="#module-configuration">Module Configuration</a></li>
<li><a class="reference internal" href="#command-line-options">Command-Line Options</a><ul>
<li><a class="reference internal" href="#generic">Generic</a></li>
<li><a class="reference internal" href="#verbosity">Verbosity</a></li>
<li><a class="reference internal" href="#database">Database</a></li>
<li><a class="reference internal" href="#mode">Mode</a></li>
<li><a class="reference internal" href="#objects">Objects</a></li>
<li><a class="reference internal" href="#timespan">Timespan</a></li>
</ul>
</li>
</ul>
</li>
</ul>
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title="previous chapter">scdb</a></p>
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title="next chapter">scdispatch</a></p>
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