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| <li class="crumb"><a href="sstablerepairedset.html">sstablerepairedset</a></li> |
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| <ul> |
| <li class="tool edit"><a href="https://github.com/apache/cassandra/edit/cassandra-4.1/doc/modules/cassandra/pages/tools/sstable/sstablerepairedset.adoc" title="Edit Page" target="_blank" rel="noopener">Edit</a></li> |
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| <article class="doc"> |
| <h1 class="page">sstablerepairedset</h1> |
| <div id="preamble"> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <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> |
| </div> |
| <div class="paragraph"> |
| <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> |
| </div> |
| <div class="paragraph"> |
| <p>ref: <a href="https://issues.apache.org/jira/browse/CASSANDRA-5351" class="bare">issues.apache.org/jira/browse/CASSANDRA-5351</a></p> |
| </div> |
| <div class="paragraph"> |
| <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> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="usage"><a class="anchor" href="#usage"></a>Usage</h2> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <p>sstablerepairedset --really-set <options> [-f <sstable-list> | |
| <sstables>]</p> |
| </div> |
| <table class="tableblock frame-all grid-all stretch"> |
| <colgroup> |
| <col style="width: 50%;"> |
| <col style="width: 50%;"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">--really-set</p></td> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">required if you want to really set the status</p></td> |
| </tr> |
| <tr> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">--is-repaired</p></td> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">set the repairedAt status to the last modified time</p></td> |
| </tr> |
| <tr> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">--is-unrepaired</p></td> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">set the repairedAt status to 0</p></td> |
| </tr> |
| <tr> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">-f</p></td> |
| <td class="tableblock halign-left valign-top"><p class="tableblock">use a file containing a list of sstables as the input</p></td> |
| </tr> |
| </tbody> |
| </table> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="set-a-lot-of-sstables-to-unrepaired-status"><a class="anchor" href="#set-a-lot-of-sstables-to-unrepaired-status"></a>Set a lot of sstables to unrepaired status</h2> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <p>There are many ways to do this programmatically. This way would likely |
| include variables for the keyspace and table.</p> |
| </div> |
| <div class="paragraph"> |
| <p>Example:</p> |
| </div> |
| <div class="literalblock"> |
| <div class="content"> |
| <pre>find /var/lib/cassandra/data/keyspace1/standard1-d936bd20a17c11e8bc92a55ed562cd82/* -name "*Data.db" -print0 | xargs -0 -I % sstablerepairedset --really-set --is-unrepaired %</pre> |
| </div> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="set-one-to-many-sstables-to-repaired-status"><a class="anchor" href="#set-one-to-many-sstables-to-repaired-status"></a>Set one to many sstables to repaired status</h2> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <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> |
| </div> |
| <div class="paragraph"> |
| <p>Example:</p> |
| </div> |
| <div class="literalblock"> |
| <div class="content"> |
| <pre>nodetool repair keyspace1 standard1 |
| find /var/lib/cassandra/data/keyspace1/standard1-d936bd20a17c11e8bc92a55ed562cd82/* -name "*Data.db" -print0 | xargs -0 -I % sstablerepairedset --really-set --is-repaired %</pre> |
| </div> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="print-metadata-showing-repaired-status"><a class="anchor" href="#print-metadata-showing-repaired-status"></a>Print metadata showing repaired status</h2> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <p>sstablemetadata can be used to view the status set or unset using this |
| command.</p> |
| </div> |
| <div class="paragraph"> |
| <p>Example:</p> |
| </div> |
| <div class="quoteblock"> |
| <blockquote> |
| <div class="paragraph"> |
| <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> |
| </div> |
| <div class="paragraph"> |
| <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> |
| </div> |
| <div class="sect1"> |
| <h2 id="using-command-in-a-script"><a class="anchor" href="#using-command-in-a-script"></a>Using command in a script</h2> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <p>If you know you ran repair 2 weeks ago, you can do something like the |
| following:</p> |
| </div> |
| <div class="literalblock"> |
| <div class="content"> |
| <pre>sstablerepairset --is-repaired -f <(find /var/lib/cassandra/data/.../ -iname "*Data.db*" -mtime +14)</pre> |
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