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| <div class="section" id="sstablerepairedset"> |
| <h1>sstablerepairedset<a class="headerlink" href="#sstablerepairedset" title="Permalink to this headline">¶</a></h1> |
| <p>Repairs can take a very long time in some environments, for large sizes of data. Use this tool to set the repairedAt status on a given set of sstables, so that repairs can be run on only un-repaired sstables if desired.</p> |
| <p>Note that running a repair (e.g., via nodetool repair) doesn’t set the status of this metadata. Only setting the status of this metadata via this tool does.</p> |
| <p>ref: <a class="reference external" href="https://issues.apache.org/jira/browse/CASSANDRA-5351">https://issues.apache.org/jira/browse/CASSANDRA-5351</a></p> |
| <p>Cassandra must be stopped before this tool is executed, or unexpected results will occur. Note: the script does not verify that Cassandra is stopped.</p> |
| <div class="section" id="usage"> |
| <h2>Usage<a class="headerlink" href="#usage" title="Permalink to this headline">¶</a></h2> |
| <p>sstablerepairedset –really-set <options> [-f <sstable-list> | <sstables>]</p> |
| <table border="1" class="docutils"> |
| <colgroup> |
| <col width="30%" /> |
| <col width="70%" /> |
| </colgroup> |
| <tbody valign="top"> |
| <tr class="row-odd"><td>–really-set</td> |
| <td>required if you want to really set the status</td> |
| </tr> |
| <tr class="row-even"><td>–is-repaired</td> |
| <td>set the repairedAt status to the last modified time</td> |
| </tr> |
| <tr class="row-odd"><td>–is-unrepaired</td> |
| <td>set the repairedAt status to 0</td> |
| </tr> |
| <tr class="row-even"><td>-f</td> |
| <td>use a file containing a list of sstables as the input</td> |
| </tr> |
| </tbody> |
| </table> |
| </div> |
| <div class="section" id="set-a-lot-of-sstables-to-unrepaired-status"> |
| <h2>Set a lot of sstables to unrepaired status<a class="headerlink" href="#set-a-lot-of-sstables-to-unrepaired-status" title="Permalink to this headline">¶</a></h2> |
| <p>There are many ways to do this programmatically. This way would likely include variables for the keyspace and table.</p> |
| <p>Example:</p> |
| <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">find</span> <span class="o">/</span><span class="n">var</span><span class="o">/</span><span class="n">lib</span><span class="o">/</span><span class="n">cassandra</span><span class="o">/</span><span class="n">data</span><span class="o">/</span><span class="n">keyspace1</span><span class="o">/</span><span class="n">standard1</span><span class="o">-</span><span class="n">d936bd20a17c11e8bc92a55ed562cd82</span><span class="o">/*</span> <span class="o">-</span><span class="n">name</span> <span class="s2">"*Data.db"</span> <span class="o">-</span><span class="n">print0</span> <span class="o">|</span> <span class="n">xargs</span> <span class="o">-</span><span class="mi">0</span> <span class="o">-</span><span class="n">I</span> <span class="o">%</span> <span class="n">sstablerepairedset</span> <span class="o">--</span><span class="n">really</span><span class="o">-</span><span class="nb">set</span> <span class="o">--</span><span class="ow">is</span><span class="o">-</span><span class="n">unrepaired</span> <span class="o">%</span> |
| </pre></div> |
| </div> |
| </div> |
| <div class="section" id="set-one-to-many-sstables-to-repaired-status"> |
| <h2>Set one to many sstables to repaired status<a class="headerlink" href="#set-one-to-many-sstables-to-repaired-status" title="Permalink to this headline">¶</a></h2> |
| <p>Set the repairedAt status after a repair to mark the sstables as repaired. Again, using variables for the keyspace and table names is a good choice.</p> |
| <p>Example:</p> |
| <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">nodetool</span> <span class="n">repair</span> <span class="n">keyspace1</span> <span class="n">standard1</span> |
| <span class="n">find</span> <span class="o">/</span><span class="n">var</span><span class="o">/</span><span class="n">lib</span><span class="o">/</span><span class="n">cassandra</span><span class="o">/</span><span class="n">data</span><span class="o">/</span><span class="n">keyspace1</span><span class="o">/</span><span class="n">standard1</span><span class="o">-</span><span class="n">d936bd20a17c11e8bc92a55ed562cd82</span><span class="o">/*</span> <span class="o">-</span><span class="n">name</span> <span class="s2">"*Data.db"</span> <span class="o">-</span><span class="n">print0</span> <span class="o">|</span> <span class="n">xargs</span> <span class="o">-</span><span class="mi">0</span> <span class="o">-</span><span class="n">I</span> <span class="o">%</span> <span class="n">sstablerepairedset</span> <span class="o">--</span><span class="n">really</span><span class="o">-</span><span class="nb">set</span> <span class="o">--</span><span class="ow">is</span><span class="o">-</span><span class="n">repaired</span> <span class="o">%</span> |
| </pre></div> |
| </div> |
| </div> |
| <div class="section" id="print-metadata-showing-repaired-status"> |
| <h2>Print metadata showing repaired status<a class="headerlink" href="#print-metadata-showing-repaired-status" title="Permalink to this headline">¶</a></h2> |
| <p>sstablemetadata can be used to view the status set or unset using this command.</p> |
| <p>Example:</p> |
| <blockquote> |
| <div><p>sstablerepairedset –really-set –is-repaired /var/lib/cassandra/data/keyspace1/standard1-d936bd20a17c11e8bc92a55ed562cd82/mc-1-big-Data.db |
| sstablemetadata /var/lib/cassandra/data/keyspace1/standard1-d936bd20a17c11e8bc92a55ed562cd82/mc-1-big-Data.db | grep “Repaired at” |
| Repaired at: 1534443974000</p> |
| <p>sstablerepairedset –really-set –is-unrepaired /var/lib/cassandra/data/keyspace1/standard1-d936bd20a17c11e8bc92a55ed562cd82/mc-1-big-Data.db |
| sstablemetadata /var/lib/cassandra/data/keyspace1/standard1-d936bd20a17c11e8bc92a55ed562cd82/mc-1-big-Data.db | grep “Repaired at” |
| Repaired at: 0</p> |
| </div></blockquote> |
| </div> |
| <div class="section" id="using-command-in-a-script"> |
| <h2>Using command in a script<a class="headerlink" href="#using-command-in-a-script" title="Permalink to this headline">¶</a></h2> |
| <p>If you know you ran repair 2 weeks ago, you can do something like the following:</p> |
| <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">sstablerepairset</span> <span class="o">--</span><span class="ow">is</span><span class="o">-</span><span class="n">repaired</span> <span class="o">-</span><span class="n">f</span> <span class="o"><</span><span class="p">(</span><span class="n">find</span> <span class="o">/</span><span class="n">var</span><span class="o">/</span><span class="n">lib</span><span class="o">/</span><span class="n">cassandra</span><span class="o">/</span><span class="n">data</span><span class="o">/.../</span> <span class="o">-</span><span class="n">iname</span> <span class="s2">"*Data.db*"</span> <span class="o">-</span><span class="n">mtime</span> <span class="o">+</span><span class="mi">14</span><span class="p">)</span> |
| </pre></div> |
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