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  <div class="section" id="scrub">
<span id="nodetool-scrub"></span><h1>scrub<a class="headerlink" href="#scrub" title="Permalink to this headline">¶</a></h1>
</div>
<div class="section" id="usage">
<h1>Usage<a class="headerlink" href="#usage" title="Permalink to this headline">¶</a></h1>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">NAME</span>
        <span class="n">nodetool</span> <span class="n">scrub</span> <span class="o">-</span> <span class="n">Scrub</span> <span class="p">(</span><span class="n">rebuild</span> <span class="n">sstables</span> <span class="k">for</span><span class="p">)</span> <span class="n">one</span> <span class="ow">or</span> <span class="n">more</span> <span class="n">tables</span>

<span class="n">SYNOPSIS</span>
        <span class="n">nodetool</span> <span class="p">[(</span><span class="o">-</span><span class="n">h</span> <span class="o">&lt;</span><span class="n">host</span><span class="o">&gt;</span> <span class="o">|</span> <span class="o">--</span><span class="n">host</span> <span class="o">&lt;</span><span class="n">host</span><span class="o">&gt;</span><span class="p">)]</span> <span class="p">[(</span><span class="o">-</span><span class="n">p</span> <span class="o">&lt;</span><span class="n">port</span><span class="o">&gt;</span> <span class="o">|</span> <span class="o">--</span><span class="n">port</span> <span class="o">&lt;</span><span class="n">port</span><span class="o">&gt;</span><span class="p">)]</span>
                <span class="p">[(</span><span class="o">-</span><span class="n">pp</span> <span class="o">|</span> <span class="o">--</span><span class="nb">print</span><span class="o">-</span><span class="n">port</span><span class="p">)]</span> <span class="p">[(</span><span class="o">-</span><span class="n">pw</span> <span class="o">&lt;</span><span class="n">password</span><span class="o">&gt;</span> <span class="o">|</span> <span class="o">--</span><span class="n">password</span> <span class="o">&lt;</span><span class="n">password</span><span class="o">&gt;</span><span class="p">)]</span>
                <span class="p">[(</span><span class="o">-</span><span class="n">pwf</span> <span class="o">&lt;</span><span class="n">passwordFilePath</span><span class="o">&gt;</span> <span class="o">|</span> <span class="o">--</span><span class="n">password</span><span class="o">-</span><span class="n">file</span> <span class="o">&lt;</span><span class="n">passwordFilePath</span><span class="o">&gt;</span><span class="p">)]</span>
                <span class="p">[(</span><span class="o">-</span><span class="n">u</span> <span class="o">&lt;</span><span class="n">username</span><span class="o">&gt;</span> <span class="o">|</span> <span class="o">--</span><span class="n">username</span> <span class="o">&lt;</span><span class="n">username</span><span class="o">&gt;</span><span class="p">)]</span> <span class="n">scrub</span>
                <span class="p">[(</span><span class="o">-</span><span class="n">j</span> <span class="o">&lt;</span><span class="n">jobs</span><span class="o">&gt;</span> <span class="o">|</span> <span class="o">--</span><span class="n">jobs</span> <span class="o">&lt;</span><span class="n">jobs</span><span class="o">&gt;</span><span class="p">)]</span> <span class="p">[(</span><span class="o">-</span><span class="n">n</span> <span class="o">|</span> <span class="o">--</span><span class="n">no</span><span class="o">-</span><span class="n">validate</span><span class="p">)]</span>
                <span class="p">[(</span><span class="o">-</span><span class="n">ns</span> <span class="o">|</span> <span class="o">--</span><span class="n">no</span><span class="o">-</span><span class="n">snapshot</span><span class="p">)]</span> <span class="p">[(</span><span class="o">-</span><span class="n">r</span> <span class="o">|</span> <span class="o">--</span><span class="n">reinsert</span><span class="o">-</span><span class="n">overflowed</span><span class="o">-</span><span class="n">ttl</span><span class="p">)]</span>
                <span class="p">[(</span><span class="o">-</span><span class="n">s</span> <span class="o">|</span> <span class="o">--</span><span class="n">skip</span><span class="o">-</span><span class="n">corrupted</span><span class="p">)]</span> <span class="p">[</span><span class="o">--</span><span class="p">]</span> <span class="p">[</span><span class="o">&lt;</span><span class="n">keyspace</span><span class="o">&gt;</span> <span class="o">&lt;</span><span class="n">tables</span><span class="o">&gt;...</span><span class="p">]</span>

<span class="n">OPTIONS</span>
        <span class="o">-</span><span class="n">h</span> <span class="o">&lt;</span><span class="n">host</span><span class="o">&gt;</span><span class="p">,</span> <span class="o">--</span><span class="n">host</span> <span class="o">&lt;</span><span class="n">host</span><span class="o">&gt;</span>
            <span class="n">Node</span> <span class="n">hostname</span> <span class="ow">or</span> <span class="n">ip</span> <span class="n">address</span>

        <span class="o">-</span><span class="n">j</span> <span class="o">&lt;</span><span class="n">jobs</span><span class="o">&gt;</span><span class="p">,</span> <span class="o">--</span><span class="n">jobs</span> <span class="o">&lt;</span><span class="n">jobs</span><span class="o">&gt;</span>
            <span class="n">Number</span> <span class="n">of</span> <span class="n">sstables</span> <span class="n">to</span> <span class="n">scrub</span> <span class="n">simultanously</span><span class="p">,</span> <span class="nb">set</span> <span class="n">to</span> <span class="mi">0</span> <span class="n">to</span> <span class="n">use</span> <span class="nb">all</span>
            <span class="n">available</span> <span class="n">compaction</span> <span class="n">threads</span>

        <span class="o">-</span><span class="n">n</span><span class="p">,</span> <span class="o">--</span><span class="n">no</span><span class="o">-</span><span class="n">validate</span>
            <span class="n">Do</span> <span class="ow">not</span> <span class="n">validate</span> <span class="n">columns</span> <span class="n">using</span> <span class="n">column</span> <span class="n">validator</span>

        <span class="o">-</span><span class="n">ns</span><span class="p">,</span> <span class="o">--</span><span class="n">no</span><span class="o">-</span><span class="n">snapshot</span>
            <span class="n">Scrubbed</span> <span class="n">CFs</span> <span class="n">will</span> <span class="n">be</span> <span class="n">snapshotted</span> <span class="n">first</span><span class="p">,</span> <span class="k">if</span> <span class="n">disableSnapshot</span> <span class="ow">is</span> <span class="n">false</span><span class="o">.</span>
            <span class="p">(</span><span class="n">default</span> <span class="n">false</span><span class="p">)</span>

        <span class="o">-</span><span class="n">p</span> <span class="o">&lt;</span><span class="n">port</span><span class="o">&gt;</span><span class="p">,</span> <span class="o">--</span><span class="n">port</span> <span class="o">&lt;</span><span class="n">port</span><span class="o">&gt;</span>
            <span class="n">Remote</span> <span class="n">jmx</span> <span class="n">agent</span> <span class="n">port</span> <span class="n">number</span>

        <span class="o">-</span><span class="n">pp</span><span class="p">,</span> <span class="o">--</span><span class="nb">print</span><span class="o">-</span><span class="n">port</span>
            <span class="n">Operate</span> <span class="ow">in</span> <span class="mf">4.0</span> <span class="n">mode</span> <span class="k">with</span> <span class="n">hosts</span> <span class="n">disambiguated</span> <span class="n">by</span> <span class="n">port</span> <span class="n">number</span>

        <span class="o">-</span><span class="n">pw</span> <span class="o">&lt;</span><span class="n">password</span><span class="o">&gt;</span><span class="p">,</span> <span class="o">--</span><span class="n">password</span> <span class="o">&lt;</span><span class="n">password</span><span class="o">&gt;</span>
            <span class="n">Remote</span> <span class="n">jmx</span> <span class="n">agent</span> <span class="n">password</span>

        <span class="o">-</span><span class="n">pwf</span> <span class="o">&lt;</span><span class="n">passwordFilePath</span><span class="o">&gt;</span><span class="p">,</span> <span class="o">--</span><span class="n">password</span><span class="o">-</span><span class="n">file</span> <span class="o">&lt;</span><span class="n">passwordFilePath</span><span class="o">&gt;</span>
            <span class="n">Path</span> <span class="n">to</span> <span class="n">the</span> <span class="n">JMX</span> <span class="n">password</span> <span class="n">file</span>

        <span class="o">-</span><span class="n">r</span><span class="p">,</span> <span class="o">--</span><span class="n">reinsert</span><span class="o">-</span><span class="n">overflowed</span><span class="o">-</span><span class="n">ttl</span>
            <span class="n">Rewrites</span> <span class="n">rows</span> <span class="k">with</span> <span class="n">overflowed</span> <span class="n">expiration</span> <span class="n">date</span> <span class="n">affected</span> <span class="n">by</span>
            <span class="n">CASSANDRA</span><span class="o">-</span><span class="mi">14092</span> <span class="k">with</span> <span class="n">the</span> <span class="n">maximum</span> <span class="n">supported</span> <span class="n">expiration</span> <span class="n">date</span> <span class="n">of</span>
            <span class="mi">2038</span><span class="o">-</span><span class="mi">01</span><span class="o">-</span><span class="mi">19</span><span class="n">T03</span><span class="p">:</span><span class="mi">14</span><span class="p">:</span><span class="mi">06</span><span class="o">+</span><span class="mi">00</span><span class="p">:</span><span class="mf">00.</span> <span class="n">The</span> <span class="n">rows</span> <span class="n">are</span> <span class="n">rewritten</span> <span class="k">with</span> <span class="n">the</span> <span class="n">original</span>
            <span class="n">timestamp</span> <span class="n">incremented</span> <span class="n">by</span> <span class="n">one</span> <span class="n">millisecond</span> <span class="n">to</span> <span class="n">override</span><span class="o">/</span><span class="n">supersede</span> <span class="nb">any</span>
            <span class="n">potential</span> <span class="n">tombstone</span> <span class="n">that</span> <span class="n">may</span> <span class="n">have</span> <span class="n">been</span> <span class="n">generated</span> <span class="n">during</span> <span class="n">compaction</span>
            <span class="n">of</span> <span class="n">the</span> <span class="n">affected</span> <span class="n">rows</span><span class="o">.</span>

        <span class="o">-</span><span class="n">s</span><span class="p">,</span> <span class="o">--</span><span class="n">skip</span><span class="o">-</span><span class="n">corrupted</span>
            <span class="n">Skip</span> <span class="n">corrupted</span> <span class="n">partitions</span> <span class="n">even</span> <span class="n">when</span> <span class="n">scrubbing</span> <span class="n">counter</span> <span class="n">tables</span><span class="o">.</span>
            <span class="p">(</span><span class="n">default</span> <span class="n">false</span><span class="p">)</span>

        <span class="o">-</span><span class="n">u</span> <span class="o">&lt;</span><span class="n">username</span><span class="o">&gt;</span><span class="p">,</span> <span class="o">--</span><span class="n">username</span> <span class="o">&lt;</span><span class="n">username</span><span class="o">&gt;</span>
            <span class="n">Remote</span> <span class="n">jmx</span> <span class="n">agent</span> <span class="n">username</span>

        <span class="o">--</span>
            <span class="n">This</span> <span class="n">option</span> <span class="n">can</span> <span class="n">be</span> <span class="n">used</span> <span class="n">to</span> <span class="n">separate</span> <span class="n">command</span><span class="o">-</span><span class="n">line</span> <span class="n">options</span> <span class="kn">from</span> <span class="nn">the</span>
            <span class="nb">list</span> <span class="n">of</span> <span class="n">argument</span><span class="p">,</span> <span class="p">(</span><span class="n">useful</span> <span class="n">when</span> <span class="n">arguments</span> <span class="n">might</span> <span class="n">be</span> <span class="n">mistaken</span> <span class="k">for</span>
            <span class="n">command</span><span class="o">-</span><span class="n">line</span> <span class="n">options</span>

        <span class="p">[</span><span class="o">&lt;</span><span class="n">keyspace</span><span class="o">&gt;</span> <span class="o">&lt;</span><span class="n">tables</span><span class="o">&gt;...</span><span class="p">]</span>
            <span class="n">The</span> <span class="n">keyspace</span> <span class="n">followed</span> <span class="n">by</span> <span class="n">one</span> <span class="ow">or</span> <span class="n">many</span> <span class="n">tables</span>


</pre></div>
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