---
layout: docpage

title: "Documentation"

is_homepage: false
is_sphinx_doc: true

doc-parent: "Cassandra Tools"

doc-title: "SSTable Tools"
doc-header-links: '
  <link rel="top" title="Apache Cassandra Documentation v4.0-alpha4" href="../../index.html"/>
      <link rel="up" title="Cassandra Tools" href="../index.html"/>
      <link rel="next" title="sstabledump" href="sstabledump.html"/>
      <link rel="prev" title="Nodetool" href="../nodetool/nodetool.html"/>
'
doc-search-path: "../../search.html"

extra-footer: '
<script type="text/javascript">
    var DOCUMENTATION_OPTIONS = {
      URL_ROOT:    "",
      VERSION:     "",
      COLLAPSE_INDEX: false,
      FILE_SUFFIX: ".html",
      HAS_SOURCE:  false,
      SOURCELINK_SUFFIX: ".txt"
    };
</script>
'

---
<div class="container-fluid">
  <div class="row">
    <div class="col-md-3">
      <div class="doc-navigation">
        <div class="doc-menu" role="navigation">
          <div class="navbar-header">
            <button type="button" class="pull-left navbar-toggle" data-toggle="collapse" data-target=".sidebar-navbar-collapse">
              <span class="sr-only">Toggle navigation</span>
              <span class="icon-bar"></span>
              <span class="icon-bar"></span>
              <span class="icon-bar"></span>
            </button>
          </div>
          <div class="navbar-collapse collapse sidebar-navbar-collapse">
            <form id="doc-search-form" class="navbar-form" action="../../search.html" method="get" role="search">
              <div class="form-group">
                <input type="text" size="30" class="form-control input-sm" name="q" placeholder="Search docs">
                <input type="hidden" name="check_keywords" value="yes" />
                <input type="hidden" name="area" value="default" />
              </div>
            </form>
            
            
            <ul class="current">
<li class="toctree-l1"><a class="reference internal" href="../../getting_started/index.html">Getting Started</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../new/index.html">New Features in Apache Cassandra 4.0</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../architecture/index.html">Architecture</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../cql/index.html">The Cassandra Query Language (CQL)</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../data_modeling/index.html">Data Modeling</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../configuration/index.html">Configuring Cassandra</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../operating/index.html">Operating Cassandra</a></li>
<li class="toctree-l1 current"><a class="reference internal" href="../index.html">Cassandra Tools</a><ul class="current">
<li class="toctree-l2"><a class="reference internal" href="../cqlsh.html">cqlsh: the CQL shell</a></li>
<li class="toctree-l2"><a class="reference internal" href="../nodetool/nodetool.html">Nodetool</a></li>
<li class="toctree-l2"><a class="reference internal" href="../nodetool/nodetool.html#usage">Usage</a></li>
<li class="toctree-l2 current"><a class="current reference internal" href="#">SSTable Tools</a><ul>
<li class="toctree-l3"><a class="reference internal" href="sstabledump.html">sstabledump</a></li>
<li class="toctree-l3"><a class="reference internal" href="sstableexpiredblockers.html">sstableexpiredblockers</a></li>
<li class="toctree-l3"><a class="reference internal" href="sstablelevelreset.html">sstablelevelreset</a></li>
<li class="toctree-l3"><a class="reference internal" href="sstableloader.html">sstableloader</a></li>
<li class="toctree-l3"><a class="reference internal" href="sstablemetadata.html">sstablemetadata</a></li>
<li class="toctree-l3"><a class="reference internal" href="sstableofflinerelevel.html">sstableofflinerelevel</a></li>
<li class="toctree-l3"><a class="reference internal" href="sstablerepairedset.html">sstablerepairedset</a></li>
<li class="toctree-l3"><a class="reference internal" href="sstablescrub.html">sstablescrub</a></li>
<li class="toctree-l3"><a class="reference internal" href="sstablesplit.html">sstablesplit</a></li>
<li class="toctree-l3"><a class="reference internal" href="sstableupgrade.html">sstableupgrade</a></li>
<li class="toctree-l3"><a class="reference internal" href="sstableutil.html">sstableutil</a></li>
<li class="toctree-l3"><a class="reference internal" href="sstableverify.html">sstableverify</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../cassandra_stress.html">Cassandra Stress</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="../../troubleshooting/index.html">Troubleshooting</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../development/index.html">Contributing to Cassandra</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../faq/index.html">Frequently Asked Questions</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../plugins/index.html">Third-Party Plugins</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../bugs.html">Reporting Bugs</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../contactus.html">Contact us</a></li>
</ul>

            
          </div><!--/.nav-collapse -->
        </div>
      </div>
    </div>
    <div class="col-md-8">
      <div class="content doc-content">
        <div class="content-container">
          
  <div class="section" id="sstable-tools">
<h1>SSTable Tools<a class="headerlink" href="#sstable-tools" title="Permalink to this headline">¶</a></h1>
<p>This section describes the functionality of the various sstable tools.</p>
<p>Cassandra must be stopped before these tools are executed, or unexpected results will occur. Note: the scripts do not verify that Cassandra is stopped.</p>
<div class="toctree-wrapper compound">
<ul>
<li class="toctree-l1"><a class="reference internal" href="sstabledump.html">sstabledump</a><ul>
<li class="toctree-l2"><a class="reference internal" href="sstabledump.html#usage">Usage</a></li>
<li class="toctree-l2"><a class="reference internal" href="sstabledump.html#dump-entire-table">Dump entire table</a></li>
<li class="toctree-l2"><a class="reference internal" href="sstabledump.html#dump-table-in-a-more-manageable-format">Dump table in a more manageable format</a></li>
<li class="toctree-l2"><a class="reference internal" href="sstabledump.html#dump-only-keys">Dump only keys</a></li>
<li class="toctree-l2"><a class="reference internal" href="sstabledump.html#dump-row-for-a-single-key">Dump row for a single key</a></li>
<li class="toctree-l2"><a class="reference internal" href="sstabledump.html#exclude-a-key-or-keys-in-dump-of-rows">Exclude a key or keys in dump of rows</a></li>
<li class="toctree-l2"><a class="reference internal" href="sstabledump.html#display-raw-timestamps">Display raw timestamps</a></li>
<li class="toctree-l2"><a class="reference internal" href="sstabledump.html#display-internal-structure-in-output">Display internal structure in output</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="sstableexpiredblockers.html">sstableexpiredblockers</a><ul>
<li class="toctree-l2"><a class="reference internal" href="sstableexpiredblockers.html#usage">Usage</a></li>
<li class="toctree-l2"><a class="reference internal" href="sstableexpiredblockers.html#output-blocked-sstables">Output blocked sstables</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="sstablelevelreset.html">sstablelevelreset</a><ul>
<li class="toctree-l2"><a class="reference internal" href="sstablelevelreset.html#usage">Usage</a></li>
<li class="toctree-l2"><a class="reference internal" href="sstablelevelreset.html#table-not-found">Table not found</a></li>
<li class="toctree-l2"><a class="reference internal" href="sstablelevelreset.html#table-has-no-sstables">Table has no sstables</a></li>
<li class="toctree-l2"><a class="reference internal" href="sstablelevelreset.html#table-already-at-level-0">Table already at level 0</a></li>
<li class="toctree-l2"><a class="reference internal" href="sstablelevelreset.html#table-levels-reduced-to-0">Table levels reduced to 0</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="sstableloader.html">sstableloader</a><ul>
<li class="toctree-l2"><a class="reference internal" href="sstableloader.html#usage">Usage</a></li>
<li class="toctree-l2"><a class="reference internal" href="sstableloader.html#load-sstables-from-a-snapshot">Load sstables from a Snapshot</a></li>
<li class="toctree-l2"><a class="reference internal" href="sstableloader.html#use-a-config-file-for-ssl-clusters">Use a Config File for SSL Clusters</a></li>
<li class="toctree-l2"><a class="reference internal" href="sstableloader.html#hide-progress-output">Hide Progress Output</a></li>
<li class="toctree-l2"><a class="reference internal" href="sstableloader.html#get-more-detail">Get More Detail</a></li>
<li class="toctree-l2"><a class="reference internal" href="sstableloader.html#throttling-load">Throttling Load</a></li>
<li class="toctree-l2"><a class="reference internal" href="sstableloader.html#speeding-up-load">Speeding up Load</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="sstablemetadata.html">sstablemetadata</a><ul>
<li class="toctree-l2"><a class="reference internal" href="sstablemetadata.html#usage">Usage</a></li>
<li class="toctree-l2"><a class="reference internal" href="sstablemetadata.html#print-all-the-metadata">Print all the metadata</a></li>
<li class="toctree-l2"><a class="reference internal" href="sstablemetadata.html#specify-gc-grace-seconds">Specify gc grace seconds</a></li>
<li class="toctree-l2"><a class="reference internal" href="sstablemetadata.html#explanation-of-each-value-printed-above">Explanation of each value printed above</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="sstableofflinerelevel.html">sstableofflinerelevel</a><ul>
<li class="toctree-l2"><a class="reference internal" href="sstableofflinerelevel.html#usage">Usage</a></li>
<li class="toctree-l2"><a class="reference internal" href="sstableofflinerelevel.html#doing-a-dry-run">Doing a dry run</a></li>
<li class="toctree-l2"><a class="reference internal" href="sstableofflinerelevel.html#running-a-relevel">Running a relevel</a></li>
<li class="toctree-l2"><a class="reference internal" href="sstableofflinerelevel.html#keyspace-or-table-not-found">Keyspace or table not found</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="sstablerepairedset.html">sstablerepairedset</a><ul>
<li class="toctree-l2"><a class="reference internal" href="sstablerepairedset.html#usage">Usage</a></li>
<li class="toctree-l2"><a class="reference internal" href="sstablerepairedset.html#set-a-lot-of-sstables-to-unrepaired-status">Set a lot of sstables to unrepaired status</a></li>
<li class="toctree-l2"><a class="reference internal" href="sstablerepairedset.html#set-one-to-many-sstables-to-repaired-status">Set one to many sstables to repaired status</a></li>
<li class="toctree-l2"><a class="reference internal" href="sstablerepairedset.html#print-metadata-showing-repaired-status">Print metadata showing repaired status</a></li>
<li class="toctree-l2"><a class="reference internal" href="sstablerepairedset.html#using-command-in-a-script">Using command in a script</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="sstablescrub.html">sstablescrub</a><ul>
<li class="toctree-l2"><a class="reference internal" href="sstablescrub.html#usage">Usage</a></li>
<li class="toctree-l2"><a class="reference internal" href="sstablescrub.html#basic-scrub">Basic Scrub</a></li>
<li class="toctree-l2"><a class="reference internal" href="sstablescrub.html#scrub-without-validation">Scrub without Validation</a></li>
<li class="toctree-l2"><a class="reference internal" href="sstablescrub.html#skip-corrupted-counter-tables">Skip Corrupted Counter Tables</a></li>
<li class="toctree-l2"><a class="reference internal" href="sstablescrub.html#dealing-with-overflow-dates">Dealing with Overflow Dates</a></li>
<li class="toctree-l2"><a class="reference internal" href="sstablescrub.html#manifest-check">Manifest Check</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="sstablesplit.html">sstablesplit</a><ul>
<li class="toctree-l2"><a class="reference internal" href="sstablesplit.html#usage">Usage</a></li>
<li class="toctree-l2"><a class="reference internal" href="sstablesplit.html#split-a-file">Split a File</a></li>
<li class="toctree-l2"><a class="reference internal" href="sstablesplit.html#split-multiple-files">Split Multiple Files</a></li>
<li class="toctree-l2"><a class="reference internal" href="sstablesplit.html#attempt-to-split-a-small-file">Attempt to Split a Small File</a></li>
<li class="toctree-l2"><a class="reference internal" href="sstablesplit.html#split-a-file-into-specified-size">Split a File into Specified Size</a></li>
<li class="toctree-l2"><a class="reference internal" href="sstablesplit.html#split-without-snapshot">Split Without Snapshot</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="sstableupgrade.html">sstableupgrade</a><ul>
<li class="toctree-l2"><a class="reference internal" href="sstableupgrade.html#usage">Usage</a></li>
<li class="toctree-l2"><a class="reference internal" href="sstableupgrade.html#rewrite-tables-to-the-current-cassandra-version">Rewrite tables to the current Cassandra version</a></li>
<li class="toctree-l2"><a class="reference internal" href="sstableupgrade.html#rewrite-tables-to-the-current-cassandra-version-and-keep-tables-in-old-version">Rewrite tables to the current Cassandra version, and keep tables in old version</a></li>
<li class="toctree-l2"><a class="reference internal" href="sstableupgrade.html#rewrite-a-snapshot-to-the-current-cassandra-version">Rewrite a snapshot to the current Cassandra version</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="sstableutil.html">sstableutil</a><ul>
<li class="toctree-l2"><a class="reference internal" href="sstableutil.html#usage">Usage</a></li>
<li class="toctree-l2"><a class="reference internal" href="sstableutil.html#list-all-sstables">List all sstables</a></li>
<li class="toctree-l2"><a class="reference internal" href="sstableutil.html#list-only-temporary-sstables">List only temporary sstables</a></li>
<li class="toctree-l2"><a class="reference internal" href="sstableutil.html#list-only-final-sstables">List only final sstables</a></li>
<li class="toctree-l2"><a class="reference internal" href="sstableutil.html#include-transaction-logs">Include transaction logs</a></li>
<li class="toctree-l2"><a class="reference internal" href="sstableutil.html#clean-up-sstables">Clean up sstables</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="sstableverify.html">sstableverify</a><ul>
<li class="toctree-l2"><a class="reference internal" href="sstableverify.html#usage">Usage</a></li>
<li class="toctree-l2"><a class="reference internal" href="sstableverify.html#basic-verification">Basic Verification</a></li>
<li class="toctree-l2"><a class="reference internal" href="sstableverify.html#extended-verification">Extended Verification</a></li>
<li class="toctree-l2"><a class="reference internal" href="sstableverify.html#corrupted-file">Corrupted File</a></li>
</ul>
</li>
</ul>
</div>
</div>


          <div class="doc-prev-next-links" role="navigation" aria-label="footer navigation">
            
            <a href="sstabledump.html" class="btn btn-default pull-right " role="button" title="sstabledump" accesskey="n">Next <span class="glyphicon glyphicon-circle-arrow-right" aria-hidden="true"></span></a>
            
            
            <a href="../nodetool/nodetool.html" class="btn btn-default" role="button" title="Nodetool" accesskey="p"><span class="glyphicon glyphicon-circle-arrow-left" aria-hidden="true"></span> Previous</a>
            
          </div>
          
        </div>
      </div>
    </div>
  </div>
</div>