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Apache Hadoop Ozone/HDDS documentation
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<h1>Tools</h1>
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<p>Ozone has a set of command line tools that can be used to manage ozone.</p>
<p>All these commands are invoked via the <code>ozone</code> script.</p>
<p>Daemon commands:</p>
<ul>
<li><strong>scm</strong> - Storage Container Manager service, via daemon can be started
or stopped.</li>
<li><strong>om</strong> - Ozone Manager, via daemon command can be started or stopped.</li>
<li><strong>datanode</strong> - Via daemon command, the HDDS data nodes can be started or
stopped.</li>
<li><strong>s3g</strong> -</li>
</ul>
<p>Client commands:</p>
<ul>
<li><strong>sh</strong> - Primary command line interface for ozone to manage volumes/buckets/keys.</li>
<li><strong>fs</strong> - Runs a command on ozone file system (similar to <code>hdfs dfs</code>)</li>
<li><strong>version</strong> - Prints the version of Ozone and HDDS.</li>
</ul>
<p>Admin commands:</p>
<ul>
<li><strong>classpath</strong> - Prints the class path needed to get the hadoop jar and the
required libraries.</li>
<li><strong>dtutil</strong> - Operations related to delegation tokens</li>
<li><strong>envvars</strong> - Display computed Hadoop environment variables.</li>
<li><strong>getconf</strong> - Reads ozone config values from configuration.</li>
<li><strong>jmxget</strong> - Get JMX exported values from NameNode or DataNode.</li>
<li><strong>scmcli</strong> - Developer only, Command Line Interface for the Storage
Container Manager.</li>
<li><strong>genconf</strong> - Generate minimally required ozone configs and output to
ozone-site.xml.</li>
</ul>
<p>Test tools:</p>
<ul>
<li><strong>freon</strong> - Runs the ozone load generator.</li>
<li><strong>genesis</strong> - Developer Only, Ozone micro-benchmark application.</li>
</ul>
<p>For more information see the following subpages:</p>
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<h2 class="card-title">
Generate Configurations
</h2>
<p class="card-text">Tool to generate default configuration</p>
<a href="./tools/genconf.html"
class=" btn btn-primary btn-lg">Generate Configurations</a>
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<h2 class="card-title">
Audit Parser
</h2>
<p class="card-text">Audit Parser tool can be used for querying the ozone audit logs.</p>
<a href="./tools/auditparser.html"
class=" btn btn-primary btn-lg">Audit Parser</a>
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<h2 class="card-title">
SCMCLI
</h2>
<p class="card-text">Admin tool for managing SCM</p>
<a href="./tools/scmcli.html"
class=" btn btn-primary btn-lg">SCMCLI</a>
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<h2 class="card-title">
Testing tools
</h2>
<p class="card-text">Ozone contains multiple test tools for load generation, partitioning test or acceptance tests.</p>
<a href="./tools/testtools.html"
class=" btn btn-primary btn-lg">Testing tools</a>
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