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| <h2 id="downloading-cassandra">Downloading Cassandra</h2> |
| |
| <h3 id="latest-version">Latest version</h3> |
| |
| <p>Cassandra is moving to a monthly release process called Tick-Tock. <strong>Even-numbered</strong> releases (e.g. 3.2) contain new |
| features; <strong>odd-numbered</strong> releases (e.g. 3.3) contain bug fixes only. If a critical bug is found, a patch will be |
| released against the most recent bug fix release. Read more about <a href="http://www.planetcassandra.org/blog/cassandra-2-2-3-0-and-beyond/">tick-tock here</a>.</p> |
| |
| <p>Download the latest Cassandra release: <a href="http://www.apache.org/dyn/closer.lua/cassandra/3.10/apache-cassandra-3.10-bin.tar.gz">3.10</a> (<a href="http://www.apache.org/dist/cassandra/3.10/apache-cassandra-3.10-bin.tar.gz.asc">pgp</a>, <a href="http://www.apache.org/dist/cassandra/3.10/apache-cassandra-3.10-bin.tar.gz.md5">md5</a> and <a href="http://www.apache.org/dist/cassandra/3.10/apache-cassandra-3.10-bin.tar.gz.sha1">sha1</a>), released on 2017-02-03.</p> |
| |
| <h3 id="older-supported-releases">Older supported releases</h3> |
| |
| <p>The following older Cassandra releases are still supported:</p> |
| |
| <ul> |
| <li>Apache Cassandra 3.0 is supported until <strong>6 months after 4.0 release (date TBD)</strong>. The latest release is <a href="http://www.apache.org/dyn/closer.lua/cassandra/3.0.13/apache-cassandra-3.0.13-bin.tar.gz">3.0.13</a> (<a href="http://www.apache.org/dist/cassandra/3.0.13/apache-cassandra-3.0.13-bin.tar.gz.asc">pgp</a>, <a href="http://www.apache.org/dist/cassandra/3.0.13/apache-cassandra-3.0.13-bin.tar.gz.md5">md5</a> and <a href="http://www.apache.org/dist/cassandra/3.0.13/apache-cassandra-3.0.13-bin.tar.gz.sha1">sha1</a>), released on 2017-04-14.</li> |
| <li>Apache Cassandra 2.2 is supported until <strong>4.0 release (date TBD)</strong>. The latest release is <a href="http://www.apache.org/dyn/closer.lua/cassandra/2.2.9/apache-cassandra-2.2.9-bin.tar.gz">2.2.9</a> (<a href="http://www.apache.org/dist/cassandra/2.2.9/apache-cassandra-2.2.9-bin.tar.gz.asc">pgp</a>, <a href="http://www.apache.org/dist/cassandra/2.2.9/apache-cassandra-2.2.9-bin.tar.gz.md5">md5</a> and <a href="http://www.apache.org/dist/cassandra/2.2.9/apache-cassandra-2.2.9-bin.tar.gz.sha1">sha1</a>), released on 2017-02-21.</li> |
| <li>Apache Cassandra 2.1 is supported until <strong>4.0 release (date TBD)</strong> with <strong>critical fixes only</strong>. The latest release is |
| <a href="http://www.apache.org/dyn/closer.lua/cassandra/2.1.17/apache-cassandra-2.1.17-bin.tar.gz">2.1.17</a> (<a href="http://www.apache.org/dist/cassandra/2.1.17/apache-cassandra-2.1.17-bin.tar.gz.asc">pgp</a>, <a href="http://www.apache.org/dist/cassandra/2.1.17/apache-cassandra-2.1.17-bin.tar.gz.md5">md5</a> and <a href="http://www.apache.org/dist/cassandra/2.1.17/apache-cassandra-2.1.17-bin.tar.gz.sha1">sha1</a>), released on 2017-02-21.</li> |
| </ul> |
| |
| <p>Older (unsupported) versions of Cassandra are <a href="http://archive.apache.org/dist/cassandra/">archived here</a>.</p> |
| |
| <h3 id="installation-from-debian-packages">Installation from Debian packages</h3> |
| |
| <ul> |
| <li>For tick-tock releases, the <code class="highlighter-rouge"><release series></code> is the release number, without dot, and with an appended <code class="highlighter-rouge">x</code>, so <code class="highlighter-rouge">31x</code>, |
| <code class="highlighter-rouge">32x</code>, …</li> |
| <li> |
| <p>For older pre-tick-tock releases, the <code class="highlighter-rouge"><release series></code> is the major version number, without dot, and with an |
| appended <code class="highlighter-rouge">x</code>. So currently it can one of <code class="highlighter-rouge">21x</code>, <code class="highlighter-rouge">22x</code> or <code class="highlighter-rouge">30x</code>.</p> |
| </li> |
| <li>Add the Apache repository of Cassandra to <code class="highlighter-rouge">/etc/apt/sources.list.d/cassandra.sources.list</code>, for example for version 3.10:</li> |
| </ul> |
| |
| <div class="highlighter-rouge"><pre class="highlight"><code>echo "deb http://www.apache.org/dist/cassandra/debian 310x main" | sudo tee -a /etc/apt/sources.list.d/cassandra.sources.list |
| </code></pre> |
| </div> |
| |
| <ul> |
| <li>Add the Apache Cassandra repository keys:</li> |
| </ul> |
| |
| <div class="highlighter-rouge"><pre class="highlight"><code>curl https://www.apache.org/dist/cassandra/KEYS | sudo apt-key add - |
| </code></pre> |
| </div> |
| |
| <ul> |
| <li>Update the repositories:</li> |
| </ul> |
| |
| <div class="highlighter-rouge"><pre class="highlight"><code>sudo apt-get update |
| </code></pre> |
| </div> |
| |
| <ul> |
| <li>If you encounter this error:</li> |
| </ul> |
| |
| <div class="highlighter-rouge"><pre class="highlight"><code>GPG error: http://www.apache.org 310x InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY A278B781FE4B2BDA |
| </code></pre> |
| </div> |
| <p>Then add the public key A278B781FE4B2BDA as follows:</p> |
| |
| <div class="highlighter-rouge"><pre class="highlight"><code>sudo apt-key adv --keyserver pool.sks-keyservers.net --recv-key A278B781FE4B2BDA |
| </code></pre> |
| </div> |
| <p>and repeat <code class="highlighter-rouge">sudo apt-get update</code>. The actual key may be different, you get it from the error message itself. For a |
| full list of Apache contributors public keys, you can refer to <a href="https://www.apache.org/dist/cassandra/KEYS">https://www.apache.org/dist/cassandra/KEYS</a>.</p> |
| |
| <ul> |
| <li>Install Cassandra:</li> |
| </ul> |
| |
| <div class="highlighter-rouge"><pre class="highlight"><code>sudo apt-get install cassandra |
| </code></pre> |
| </div> |
| |
| <ul> |
| <li>You can start Cassandra with <code class="highlighter-rouge">sudo service cassandra start</code> and stop it with <code class="highlighter-rouge">sudo service cassandra stop</code>. |
| However, normally the service will start automatically. For this reason be sure to stop it if you need to make any |
| configuration changes.</li> |
| <li>Verify that Cassandra is running by invoking <code class="highlighter-rouge">nodetool status</code> from the command line.</li> |
| <li>The default location of configuration files is <code class="highlighter-rouge">/etc/cassandra</code>.</li> |
| <li>The default location of log and data directories is <code class="highlighter-rouge">/var/log/cassandra/</code> and <code class="highlighter-rouge">/var/lib/cassandra</code>.</li> |
| <li>Start-up options (heap size, etc) can be configured in <code class="highlighter-rouge">/etc/default/cassandra</code>.</li> |
| </ul> |
| |
| <h3 id="installation-from-rpm-packages">Installation from RPM packages</h3> |
| |
| <p>Cassandra can currently only be installed manually from downloaded RPM packages. We’ll work on making upcoming releases available through repositories in the future.</p> |
| |
| <p>The following versions are currently available for download:</p> |
| |
| <ul> |
| <li><a href="http://www.apache.org/dyn/closer.lua/cassandra/redhat/30x/cassandra-3.0.13-1.noarch.rpm">3.0.13</a> (md5: <code class="highlighter-rouge">7a100653112a8a79d09fbf18dbc3f7d8</code> sha1: <code class="highlighter-rouge">3b9e2dfa94614af7d7f7891eb95982719e1a8fb4</code>)</li> |
| </ul> |
| |
| <p>Any instructions have been tested with CentOS 7 and should work for all Redhat based distributions. Please see note on end of this section on how to report any issues.</p> |
| |
| <p>Start Cassandra (will not start automatically):</p> |
| |
| <div class="highlighter-rouge"><pre class="highlight"><code>service cassandra start |
| </code></pre> |
| </div> |
| |
| <p>Systemd based distributions may require to run <code class="highlighter-rouge">systemctl daemon-reload</code> once to make Cassandra available as a systemd service. This should happen automatically by running the command above.</p> |
| |
| <p>Make Cassandra start automatically after reboot:</p> |
| |
| <div class="highlighter-rouge"><pre class="highlight"><code>chkconfig cassandra on |
| </code></pre> |
| </div> |
| |
| <p>Please note that official RPMs for Apache Cassandra only have been available recently and are not tested thoroughly on all platforms yet. We appreciate your feedback and support and ask you to post details on any issues in the <a href="https://issues.apache.org/jira/browse/CASSANDRA-13433">corresponding Jira ticket</a>.</p> |
| |
| <h3 id="source">Source</h3> |
| |
| <p>Development is done in the Apache Git repository. To check out a copy:</p> |
| |
| <div class="highlighter-rouge"><pre class="highlight"><code>git clone http://git-wip-us.apache.org/repos/asf/cassandra.git |
| </code></pre> |
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