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Posted to commits@cassandra.apache.org by ty...@apache.org on 2016/08/23 20:58:09 UTC
svn commit: r1757435 [18/30] - in /cassandra/site/publish/doc: 3.10/
3.10/architecture/ 3.10/configuration/ 3.10/cql/ 3.10/data_modeling/
3.10/development/ 3.10/faq/ 3.10/getting_started/ 3.10/operating/
3.10/tools/ 3.10/troubleshooting/ latest/ latest...
Added: cassandra/site/publish/doc/3.10/getting_started/index.html
URL: http://svn.apache.org/viewvc/cassandra/site/publish/doc/3.10/getting_started/index.html?rev=1757435&view=auto
==============================================================================
--- cassandra/site/publish/doc/3.10/getting_started/index.html (added)
+++ cassandra/site/publish/doc/3.10/getting_started/index.html Tue Aug 23 20:58:08 2016
@@ -0,0 +1,293 @@
+<!DOCTYPE html>
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+">
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+<h1>Getting Started<a class="headerlink" href="#getting-started" title="Permalink to this headline">¶</a></h1>
+<p>This section covers how to get started using Apache Cassandra and should be the first thing to read if you are new to
+Cassandra.</p>
+<div class="toctree-wrapper compound">
+<ul>
+<li class="toctree-l1"><a class="reference internal" href="installing.html">Installing Cassandra</a><ul>
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+<li class="toctree-l2"><a class="reference internal" href="installing.html#installation-from-binary-tarball-files">Installation from binary tarball files</a></li>
+<li class="toctree-l2"><a class="reference internal" href="installing.html#installation-from-debian-packages">Installation from Debian packages</a></li>
+</ul>
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+<li class="toctree-l1"><a class="reference internal" href="configuring.html">Configuring Cassandra</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="configuring.html#main-runtime-properties">Main runtime properties</a></li>
+<li class="toctree-l2"><a class="reference internal" href="configuring.html#changing-the-location-of-directories">Changing the location of directories</a></li>
+<li class="toctree-l2"><a class="reference internal" href="configuring.html#environment-variables">Environment variables</a></li>
+<li class="toctree-l2"><a class="reference internal" href="configuring.html#logging">Logging</a></li>
+</ul>
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+<li class="toctree-l1"><a class="reference internal" href="querying.html">Inserting and querying</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="querying.html#cqlsh">CQLSH</a></li>
+<li class="toctree-l2"><a class="reference internal" href="querying.html#client-drivers">Client drivers</a></li>
+</ul>
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Added: cassandra/site/publish/doc/3.10/getting_started/installing.html
URL: http://svn.apache.org/viewvc/cassandra/site/publish/doc/3.10/getting_started/installing.html?rev=1757435&view=auto
==============================================================================
--- cassandra/site/publish/doc/3.10/getting_started/installing.html (added)
+++ cassandra/site/publish/doc/3.10/getting_started/installing.html Tue Aug 23 20:58:08 2016
@@ -0,0 +1,337 @@
+<!DOCTYPE html>
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+<head>
+ <meta charset="utf-8">
+ <meta http-equiv="X-UA-Compatible" content="IE=edge">
+ <meta name="viewport" content="width=device-width, initial-scale=1">
+ <meta name="description" content="The Apache Cassandra database is the right choice when you need scalability and high availability without compromising performance. Linear scalability and proven fault-tolerance on commodity hardware or cloud infrastructure make it the perfect platform for mission-critical data. Cassandra's support for replicating across multiple datacenters is best-in-class, providing lower latency for your users and the peace of mind of knowing that you can survive regional outages.
+">
+ <meta name="keywords" content="cassandra, apache, apache cassandra, distributed storage, key value store, scalability, bigtable, dynamo" />
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+
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+
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+<li class="toctree-l1 current"><a class="reference internal" href="index.html">Getting Started</a><ul class="current">
+<li class="toctree-l2 current"><a class="current reference internal" href="#">Installing Cassandra</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="#prerequisites">Prerequisites</a></li>
+<li class="toctree-l3"><a class="reference internal" href="#installation-from-binary-tarball-files">Installation from binary tarball files</a></li>
+<li class="toctree-l3"><a class="reference internal" href="#installation-from-debian-packages">Installation from Debian packages</a></li>
+</ul>
+</li>
+<li class="toctree-l2"><a class="reference internal" href="configuring.html">Configuring Cassandra</a></li>
+<li class="toctree-l2"><a class="reference internal" href="querying.html">Inserting and querying</a></li>
+<li class="toctree-l2"><a class="reference internal" href="drivers.html">Client drivers</a></li>
+</ul>
+</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="../data_modeling/index.html">Data Modeling</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="../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"><a class="reference internal" href="../tools/index.html">Cassandra Tools</a></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">Cassandra Development</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="../bugs.html">Reporting Bugs and Contributing</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="container">
+
+ <div class="section" id="installing-cassandra">
+<h1>Installing Cassandra<a class="headerlink" href="#installing-cassandra" title="Permalink to this headline">¶</a></h1>
+<div class="section" id="prerequisites">
+<h2>Prerequisites<a class="headerlink" href="#prerequisites" title="Permalink to this headline">¶</a></h2>
+<ul class="simple">
+<li>The latest version of Java 8, either the <a class="reference external" href="http://www.oracle.com/technetwork/java/javase/downloads/index.html">Oracle Java Standard Edition 8</a> or <a class="reference external" href="http://openjdk.java.net/">OpenJDK 8</a>. To
+verify that you have the correct version of java installed, type <code class="docutils literal"><span class="pre">java</span> <span class="pre">-version</span></code>.</li>
+<li>For using cqlsh, the latest version of <a class="reference external" href="https://www.python.org/downloads/">Python 2.7</a>. To verify that you have
+the correct version of Python installed, type <code class="docutils literal"><span class="pre">python</span> <span class="pre">--version</span></code>.</li>
+</ul>
+</div>
+<div class="section" id="installation-from-binary-tarball-files">
+<h2>Installation from binary tarball files<a class="headerlink" href="#installation-from-binary-tarball-files" title="Permalink to this headline">¶</a></h2>
+<ul class="simple">
+<li>Download the latest stable release from the <a class="reference external" href="http://cassandra.apache.org/download/">Apache Cassandra downloads website</a>.</li>
+<li>Untar the file somewhere, for example:</li>
+</ul>
+<div class="highlight-none"><div class="highlight"><pre><span></span>tar -xvf apache-cassandra-3.6-bin.tar.gz cassandra
+</pre></div>
+</div>
+<p>The files will be extracted into <code class="docutils literal"><span class="pre">apache-cassandra-3.6</span></code>, you need to substitute 3.6 with the release number that you
+have downloaded.</p>
+<ul class="simple">
+<li>Optionally add <code class="docutils literal"><span class="pre">apache-cassandra-3.6\bin</span></code> to your path.</li>
+<li>Start Cassandra in the foreground by invoking <code class="docutils literal"><span class="pre">bin/cassandra</span> <span class="pre">-f</span></code> from the command line. Press “Control-C” to stop
+Cassandra. Start Cassandra in the background by invoking <code class="docutils literal"><span class="pre">bin/cassandra</span></code> from the command line. Invoke <code class="docutils literal"><span class="pre">kill</span> <span class="pre">pid</span></code>
+or <code class="docutils literal"><span class="pre">pkill</span> <span class="pre">-f</span> <span class="pre">CassandraDaemon</span></code> to stop Cassandra, where pid is the Cassandra process id, which you can find for
+example by invoking <code class="docutils literal"><span class="pre">pgrep</span> <span class="pre">-f</span> <span class="pre">CassandraDaemon</span></code>.</li>
+<li>Verify that Cassandra is running by invoking <code class="docutils literal"><span class="pre">bin/nodetool</span> <span class="pre">status</span></code> from the command line.</li>
+<li>Configuration files are located in the <code class="docutils literal"><span class="pre">conf</span></code> sub-directory.</li>
+<li>Since Cassandra 2.1, log and data directories are located in the <code class="docutils literal"><span class="pre">logs</span></code> and <code class="docutils literal"><span class="pre">data</span></code> sub-directories respectively.
+Older versions defaulted to <code class="docutils literal"><span class="pre">/var/log/cassandra</span></code> and <code class="docutils literal"><span class="pre">/var/lib/cassandra</span></code>. Due to this, it is necessary to either
+start Cassandra with root privileges or change <code class="docutils literal"><span class="pre">conf/cassandra.yaml</span></code> to use directories owned by the current user,
+as explained below in the section on changing the location of directories.</li>
+</ul>
+</div>
+<div class="section" id="installation-from-debian-packages">
+<h2>Installation from Debian packages<a class="headerlink" href="#installation-from-debian-packages" title="Permalink to this headline">¶</a></h2>
+<ul class="simple">
+<li>Add the Apache repository of Cassandra to <code class="docutils literal"><span class="pre">/etc/apt/sources.list.d/cassandra.sources.list</span></code>, for example for version
+3.6:</li>
+</ul>
+<div class="highlight-none"><div class="highlight"><pre><span></span>echo "deb http://www.apache.org/dist/cassandra/debian 36x main" | sudo tee -a /etc/apt/sources.list.d/cassandra.sources.list
+</pre></div>
+</div>
+<ul class="simple">
+<li>Update the repositories:</li>
+</ul>
+<div class="highlight-none"><div class="highlight"><pre><span></span>sudo apt-get update
+</pre></div>
+</div>
+<ul class="simple">
+<li>If you encounter this error:</li>
+</ul>
+<div class="highlight-none"><div class="highlight"><pre><span></span>GPG error: http://www.apache.org 36x InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 749D6EEC0353B12C
+</pre></div>
+</div>
+<p>Then add the public key 749D6EEC0353B12C as follows:</p>
+<div class="highlight-none"><div class="highlight"><pre><span></span>gpg --keyserver pgp.mit.edu --recv-keys 749D6EEC0353B12C
+gpg --export --armor 749D6EEC0353B12C | sudo apt-key add -
+</pre></div>
+</div>
+<p>and repeat <code class="docutils literal"><span class="pre">sudo</span> <span class="pre">apt-get</span> <span class="pre">update</span></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 class="reference external" href="https://www.apache.org/dist/cassandra/KEYS">this link</a>.</p>
+<ul class="simple">
+<li>Install Cassandra:</li>
+</ul>
+<div class="highlight-none"><div class="highlight"><pre><span></span>sudo apt-get install cassandra
+</pre></div>
+</div>
+<ul class="simple">
+<li>You can start Cassandra with <code class="docutils literal"><span class="pre">sudo</span> <span class="pre">service</span> <span class="pre">cassandra</span> <span class="pre">start</span></code> and stop it with <code class="docutils literal"><span class="pre">sudo</span> <span class="pre">service</span> <span class="pre">cassandra</span> <span class="pre">stop</span></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="docutils literal"><span class="pre">nodetool</span> <span class="pre">status</span></code> from the command line.</li>
+<li>The default location of configuration files is <code class="docutils literal"><span class="pre">/etc/cassandra</span></code>.</li>
+<li>The default location of log and data directories is <code class="docutils literal"><span class="pre">/var/log/cassandra/</span></code> and <code class="docutils literal"><span class="pre">/var/lib/cassandra</span></code>.</li>
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Added: cassandra/site/publish/doc/3.10/getting_started/querying.html
URL: http://svn.apache.org/viewvc/cassandra/site/publish/doc/3.10/getting_started/querying.html?rev=1757435&view=auto
==============================================================================
--- cassandra/site/publish/doc/3.10/getting_started/querying.html (added)
+++ cassandra/site/publish/doc/3.10/getting_started/querying.html Tue Aug 23 20:58:08 2016
@@ -0,0 +1,290 @@
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+ <meta http-equiv="X-UA-Compatible" content="IE=edge">
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+
+ <div class="section" id="inserting-and-querying">
+<h1>Inserting and querying<a class="headerlink" href="#inserting-and-querying" title="Permalink to this headline">¶</a></h1>
+<p>The API to Cassandra is <a class="reference internal" href="../cql/index.html#cql"><span class="std std-ref">CQL</span></a>, the Cassandra Query Language. To use CQL, you will need to connect to the
+cluster, which can be done:</p>
+<ul class="simple">
+<li>either using cqlsh,</li>
+<li>or through a client driver for Cassandra.</li>
+</ul>
+<div class="section" id="cqlsh">
+<h2>CQLSH<a class="headerlink" href="#cqlsh" title="Permalink to this headline">¶</a></h2>
+<p>cqlsh is a command line shell for interacting with Cassandra through CQL. It is shipped with every Cassandra package,
+and can be found in the bin/ directory alongside the cassandra executable. It connects to the single node specified on
+the command line. For example:</p>
+<div class="highlight-default"><div class="highlight"><pre><span></span>$ bin/cqlsh localhost
+Connected to Test Cluster at localhost:9042.
+[cqlsh 5.0.1 | Cassandra 3.8 | CQL spec 3.4.2 | Native protocol v4]
+Use HELP for help.
+cqlsh> SELECT cluster_name, listen_address FROM system.local;
+
+ cluster_name | listen_address
+--------------+----------------
+ Test Cluster | 127.0.0.1
+
+(1 rows)
+cqlsh>
+</pre></div>
+</div>
+<p>See the <a class="reference internal" href="../tools/cqlsh.html#cqlsh"><span class="std std-ref">cqlsh section</span></a> for full documentation.</p>
+</div>
+<div class="section" id="client-drivers">
+<h2>Client drivers<a class="headerlink" href="#client-drivers" title="Permalink to this headline">¶</a></h2>
+<p>A lot of client drivers are provided by the Community and a list of known drivers is provided in <a class="reference internal" href="drivers.html#client-drivers"><span class="std std-ref">the next section</span></a>. You should refer to the documentation of each drivers for more information on how to use them.</p>
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+ position: 'fixed',
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+ left: nav.offset().left,
+ width: nav.width(),
+ });
+ nav.addClass('fixed-navigation');
+ isFixed = true;
+ }
+ else if (!shouldBeFixed && isFixed)
+ {
+ nav.css({
+ position: 'static'
+ });
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+
+
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+ var pageTracker = _gat._getTracker("UA-11583863-1");
+ pageTracker._trackPageview();
+ } catch(err) {}
+</script>
+
+
+ </body>
+</html>
Added: cassandra/site/publish/doc/3.10/index.html
URL: http://svn.apache.org/viewvc/cassandra/site/publish/doc/3.10/index.html?rev=1757435&view=auto
==============================================================================
--- cassandra/site/publish/doc/3.10/index.html (added)
+++ cassandra/site/publish/doc/3.10/index.html Tue Aug 23 20:58:08 2016
@@ -0,0 +1,219 @@
+<!DOCTYPE html>
+<html>
+
+
+
+
+<head>
+ <meta charset="utf-8">
+ <meta http-equiv="X-UA-Compatible" content="IE=edge">
+ <meta name="viewport" content="width=device-width, initial-scale=1">
+ <meta name="description" content="The Apache Cassandra database is the right choice when you need scalability and high availability without compromising performance. Linear scalability and proven fault-tolerance on commodity hardware or cloud infrastructure make it the perfect platform for mission-critical data. Cassandra's support for replicating across multiple datacenters is best-in-class, providing lower latency for your users and the peace of mind of knowing that you can survive regional outages.
+">
+ <meta name="keywords" content="cassandra, apache, apache cassandra, distributed storage, key value store, scalability, bigtable, dynamo" />
+ <meta name="robots" content="index,follow" />
+ <meta name="language" content="en" />
+
+ <title>Documentation</title>
+
+ <link rel="canonical" href="http://cassandra.apache.org/doc/3.10/">
+
+ <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css" integrity="sha384-1q8mTJOASx8j1Au+a5WDVnPi2lkFfwwEAa8hDDdjZlpLegxhjVME1fgjWPGmkzs7" crossorigin="anonymous">
+ <link rel="stylesheet" href="./../css/style.css">
+
+
+
+</head>
+
+ <body>
+ <!-- breadcrumbs -->
+<div class="topnav">
+ <div class="container breadcrumb-container">
+ <ul class="breadcrumb">
+ <li>
+ <div class="dropdown">
+ <img class="asf-logo" src="./../img/asf_feather.png" />
+ <a data-toggle="dropdown" href="#">Apache Software Foundation <span class="caret"></span></a>
+ <ul class="dropdown-menu" role="menu" aria-labelledby="dLabel">
+ <li><a href="http://www.apache.org">Apache Homepage</a></li>
+ <li><a href="http://www.apache.org/licenses/">License</a></li>
+ <li><a href="http://www.apache.org/foundation/sponsorship.html">Sponsorship</a></li>
+ <li><a href="http://www.apache.org/foundation/thanks.html">Thanks</a></li>
+ <li><a href="http://www.apache.org/security/">Security</a></li>
+ </ul>
+ </div>
+ </li>
+
+
+ <li><a href="./../">Apache Cassandra</a></li>
+
+
+
+
+ <li>Documentation</li>
+
+
+
+
+
+
+ </ul>
+ </div>
+
+ <!-- navbar -->
+ <nav class="navbar navbar-default navbar-static-top" role="navigation">
+ <div class="container">
+ <div class="navbar-header">
+ <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#cassandra-menu" aria-expanded="false">
+ <span class="sr-only">Toggle navigation</span>
+ <span class="icon-bar"></span>
+ <span class="icon-bar"></span>
+ <span class="icon-bar"></span>
+ </button>
+ <a class="navbar-brand" href="./../"><img src="./../img/cassandra_logo.png" alt="Apache Cassandra logo" /></a>
+ </div><!-- /.navbar-header -->
+
+ <div id="cassandra-menu" class="collapse navbar-collapse">
+ <ul class="nav navbar-nav navbar-right">
+ <li><a href="./../">Home</a></li>
+ <li><a href="./../download/">Download</a></li>
+ <li><a href="./../doc/">Documentation</a></li>
+ <li><a href="./../community/">Community</a></li>
+ </ul>
+ </div><!-- /#cassandra-menu -->
+
+
+ </div>
+ </nav><!-- /.navbar -->
+</div><!-- /.topnav -->
+
+ <div class="content">
+ <div class="container">
+ <h2>Apache Cassandra Documentation v3.10</h2>
+
+<div id="wipwarning">This documentation is currently a work-in-progress and contains a number of TODO sections.
+ <a href="bugs.html">Contributions</a> are welcome.</div>
+
+<h3>Main documentation</h3>
+
+<table class="contentstable doc-landing-table" align="center">
+ <tr>
+ <td class="left-column">
+ <p class="biglink"><a class="biglink" href="getting_started/index.html">Getting started</a><br/>
+ <span class="linkdescr">Newbie friendly starting point</span></p>
+ </td>
+ <td class="right-column">
+ <p class="biglink"><a class="biglink" href="operating/index.html">Operating Cassandra</a><br/>
+ <span class="linkdescr">The operator's corner</span></p>
+ </td>
+ </tr>
+ <tr>
+ <td class="left-column">
+ <p class="biglink"><a class="biglink" href="architecture/index.html">Cassandra Architecture</a><br/>
+ <span class="linkdescr">Cassandra's big picture</span></p>
+ </td>
+ <td class="right-column">
+ <p class="biglink"><a class="biglink" href="tools/index.html">Cassandra's Tools</a><br/>
+ <span class="linkdescr">cqlsh, nodetool, ...</span></p>
+ </td>
+ </tr>
+ <tr>
+ <td class="left-column">
+ <p class="biglink"><a class="biglink" href="data_modeling/index.html">Data Modeling</a><br/>
+ <span class="linkdescr">Or how to make square pegs fit round holes</span></p>
+ </td>
+ <td class="right-column">
+ <p class="biglink"><a class="biglink" href="troubleshooting/index.html">Troubleshooting</a><br/>
+ <span class="linkdescr">What to look for when you have a problem</span></p>
+ </td>
+ </tr>
+ <tr>
+ <td class="left-column">
+ <p class="biglink"><a class="biglink" href="cql/index.html">Cassandra Query Language</a><br/>
+ <span class="linkdescr">CQL reference documentation</span></p>
+ </td>
+ <td class="right-column">
+ <p class="biglink"><a class="biglink" href="development/index.html">Cassandra Development</a><br/>
+ <span class="linkdescr">Learn how to improve Cassandra and contribute patches</span></p>
+ </td>
+ </tr>
+ <tr>
+ <td class="left-column">
+ <p class="biglink"><a class="biglink" href="faq/index.html">FAQs</a><br/>
+ <span class="linkdescr">Frequently Asked Questions (with answers!)</span></p>
+ </td>
+ <td class="right-column">
+ <p class="biglink"><a class="biglink" href="configuration/index.html">Configuration</a><br/>
+ <span class="linkdescr">Cassandra's handles and knobs</span></p>
+ </td>
+ </tr>
+</table>
+
+<h3>Meta informations</h3>
+
+<ul>
+ <li><a class="biglink" href="bugs.html">Reporting bugs</a></li>
+ <li><a class="biglink" href="contactus.html">Contact us</a></li>
+</ul>
+
+
+
+
+<h3>Documentation for older releases</h3>
+
+<p>The Cassandra Query Language (CQL) documentation for older releases are:
+
+<ul>
+ <li><a href="/doc/old/CQL-3.0.html">CQL for the 3.0 series</a></li>
+ <li><a href="/doc/old/CQL-2.2.html">CQL for the 2.2 series</a></li>
+ <li><a href="/doc/old/CQL-2.1.html">CQL for the 2.1 series</a></li>
+</ul>
+</p>
+
+ </div>
+</div>
+
+ <footer>
+ <div class="container">
+ <div class="col-md-4 social-blk">
+ <span class="social">
+ <a href="https://twitter.com/cassandra"
+ class="twitter-follow-button"
+ data-show-count="false" data-size="large">Follow @cassandra</a>
+ <script>!function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0],p=/^http:/.test(d.location)?'http':'https';if(!d.getElementById(id)){js=d.createElement(s);js.id=id;js.src=p+'://platform.twitter.com/widgets.js';fjs.parentNode.insertBefore(js,fjs);}}(document, 'script', 'twitter-wjs');</script>
+ <a href="https://twitter.com/intent/tweet?button_hashtag=cassandra"
+ class="twitter-hashtag-button"
+ data-size="large"
+ data-related="ApacheCassandra">Tweet #cassandra</a>
+ <script>!function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0],p=/^http:/.test(d.location)?'http':'https';if(!d.getElementById(id)){js=d.createElement(s);js.id=id;js.src=p+'://platform.twitter.com/widgets.js';fjs.parentNode.insertBefore(js,fjs);}}(document, 'script', 'twitter-wjs');</script>
+ </span>
+ </div>
+
+ <div class="col-md-8 trademark">
+ <p>© 2016 <a href="http://apache.org">The Apache Software Foundation</a>.
+ Apache, the Apache feather logo, and Apache Cassandra are trademarks of The Apache Software Foundation.
+ <p>
+ </div>
+ </div><!-- /.container -->
+</footer>
+
+<!-- Javascript. Placed here so pages load faster -->
+<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script>
+<script src="./../js/underscore-min.js"></script>
+<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js" integrity="sha384-0mSbJDEHialfmuBBQP6A4Qrprq5OVfW37PRR3j5ELqxss1yVqOtnepnHVP9aJ7xS" crossorigin="anonymous"></script>
+
+
+
+<script type="text/javascript">
+ var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www.");
+ document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E"));
+
+ try {
+ var pageTracker = _gat._getTracker("UA-11583863-1");
+ pageTracker._trackPageview();
+ } catch(err) {}
+</script>
+
+
+ </body>
+</html>
Added: cassandra/site/publish/doc/3.10/objects.inv
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==============================================================================
--- cassandra/site/publish/doc/3.10/operating/backups.html (added)
+++ cassandra/site/publish/doc/3.10/operating/backups.html Tue Aug 23 20:58:08 2016
@@ -0,0 +1,269 @@
+<!DOCTYPE html>
+<html>
+
+
+
+
+<head>
+ <meta charset="utf-8">
+ <meta http-equiv="X-UA-Compatible" content="IE=edge">
+ <meta name="viewport" content="width=device-width, initial-scale=1">
+ <meta name="description" content="The Apache Cassandra database is the right choice when you need scalability and high availability without compromising performance. Linear scalability and proven fault-tolerance on commodity hardware or cloud infrastructure make it the perfect platform for mission-critical data. Cassandra's support for replicating across multiple datacenters is best-in-class, providing lower latency for your users and the peace of mind of knowing that you can survive regional outages.
+">
+ <meta name="keywords" content="cassandra, apache, apache cassandra, distributed storage, key value store, scalability, bigtable, dynamo" />
+ <meta name="robots" content="index,follow" />
+ <meta name="language" content="en" />
+
+ <title>Documentation</title>
+
+ <link rel="canonical" href="http://cassandra.apache.org/doc/3.10/operating/backups.html">
+
+ <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css" integrity="sha384-1q8mTJOASx8j1Au+a5WDVnPi2lkFfwwEAa8hDDdjZlpLegxhjVME1fgjWPGmkzs7" crossorigin="anonymous">
+ <link rel="stylesheet" href="./../../../css/style.css">
+
+ <link rel="stylesheet" href="./../../../css/sphinx.css">
+
+
+ <link rel="top" title="Apache Cassandra Documentation v3.10" href="../index.html"/> <link rel="up" title="Operating Cassandra" href="index.html"/> <link rel="next" title="Bulk Loading" href="bulk_loading.html"/> <link rel="prev" title="Change Data Capture" href="cdc.html"/>
+</head>
+
+ <body>
+ <!-- breadcrumbs -->
+<div class="topnav">
+ <div class="container breadcrumb-container">
+ <ul class="breadcrumb">
+ <li>
+ <div class="dropdown">
+ <img class="asf-logo" src="./../../../img/asf_feather.png" />
+ <a data-toggle="dropdown" href="#">Apache Software Foundation <span class="caret"></span></a>
+ <ul class="dropdown-menu" role="menu" aria-labelledby="dLabel">
+ <li><a href="http://www.apache.org">Apache Homepage</a></li>
+ <li><a href="http://www.apache.org/licenses/">License</a></li>
+ <li><a href="http://www.apache.org/foundation/sponsorship.html">Sponsorship</a></li>
+ <li><a href="http://www.apache.org/foundation/thanks.html">Thanks</a></li>
+ <li><a href="http://www.apache.org/security/">Security</a></li>
+ </ul>
+ </div>
+ </li>
+
+
+ <li><a href="./../../../">Apache Cassandra</a></li>
+
+
+
+
+ <li><a href="./../../../doc">Documentation</a></li>
+
+
+
+
+ <li><a href="./">Operating Cassandra</a></li>
+
+
+
+ <li>Backups</li>
+
+ </ul>
+ </div>
+
+ <!-- navbar -->
+ <nav class="navbar navbar-default navbar-static-top" role="navigation">
+ <div class="container">
+ <div class="navbar-header">
+ <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#cassandra-menu" aria-expanded="false">
+ <span class="sr-only">Toggle navigation</span>
+ <span class="icon-bar"></span>
+ <span class="icon-bar"></span>
+ <span class="icon-bar"></span>
+ </button>
+ <a class="navbar-brand" href="./../../../"><img src="./../../../img/cassandra_logo.png" alt="Apache Cassandra logo" /></a>
+ </div><!-- /.navbar-header -->
+
+ <div id="cassandra-menu" class="collapse navbar-collapse">
+ <ul class="nav navbar-nav navbar-right">
+ <li><a href="./../../../">Home</a></li>
+ <li><a href="./../../../download/">Download</a></li>
+ <li><a href="./../../../doc/">Documentation</a></li>
+ <li><a href="./../../../community/">Community</a></li>
+ </ul>
+ </div><!-- /#cassandra-menu -->
+
+
+ </div>
+ </nav><!-- /.navbar -->
+</div><!-- /.topnav -->
+
+ <div class="container-fluid">
+ <div class="row">
+ <div class="col-md-2">
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+ <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="../architecture/index.html">Architecture</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="../cql/index.html">The Cassandra Query Language (CQL)</a></li>
+<li class="toctree-l1"><a class="reference internal" href="../configuration/index.html">Configuring Cassandra</a></li>
+<li class="toctree-l1 current"><a class="reference internal" href="index.html">Operating Cassandra</a><ul class="current">
+<li class="toctree-l2"><a class="reference internal" href="snitch.html">Snitch</a></li>
+<li class="toctree-l2"><a class="reference internal" href="topo_changes.html">Adding, replacing, moving and removing nodes</a></li>
+<li class="toctree-l2"><a class="reference internal" href="repair.html">Repair</a></li>
+<li class="toctree-l2"><a class="reference internal" href="read_repair.html">Read repair</a></li>
+<li class="toctree-l2"><a class="reference internal" href="hints.html">Hints</a></li>
+<li class="toctree-l2"><a class="reference internal" href="compaction.html">Compaction</a></li>
+<li class="toctree-l2"><a class="reference internal" href="bloom_filters.html">Bloom Filters</a></li>
+<li class="toctree-l2"><a class="reference internal" href="compression.html">Compression</a></li>
+<li class="toctree-l2"><a class="reference internal" href="cdc.html">Change Data Capture</a></li>
+<li class="toctree-l2 current"><a class="current reference internal" href="#">Backups</a></li>
+<li class="toctree-l2"><a class="reference internal" href="bulk_loading.html">Bulk Loading</a></li>
+<li class="toctree-l2"><a class="reference internal" href="metrics.html">Monitoring</a></li>
+<li class="toctree-l2"><a class="reference internal" href="security.html">Security</a></li>
+<li class="toctree-l2"><a class="reference internal" href="hardware.html">Hardware Choices</a></li>
+</ul>
+</li>
+<li class="toctree-l1"><a class="reference internal" href="../tools/index.html">Cassandra Tools</a></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">Cassandra Development</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="../bugs.html">Reporting Bugs and Contributing</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="container">
+
+ <div class="section" id="backups">
+<h1>Backups<a class="headerlink" href="#backups" title="Permalink to this headline">¶</a></h1>
+<div class="admonition-todo admonition" id="index-0">
+<p class="first admonition-title">Todo</p>
+<p class="last">TODO</p>
+</div>
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+ <script>!function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0],p=/^http:/.test(d.location)?'http':'https';if(!d.getElementById(id)){js=d.createElement(s);js.id=id;js.src=p+'://platform.twitter.com/widgets.js';fjs.parentNode.insertBefore(js,fjs);}}(document, 'script', 'twitter-wjs');</script>
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+ </span>
+ </div>
+
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+ <p>© 2016 <a href="http://apache.org">The Apache Software Foundation</a>.
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+ {
+ nav.css({
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+ }
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--- cassandra/site/publish/doc/3.10/operating/bloom_filters.html (added)
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+ <div class="section" id="bloom-filters">
+<h1>Bloom Filters<a class="headerlink" href="#bloom-filters" title="Permalink to this headline">¶</a></h1>
+<p>In the read path, Cassandra merges data on disk (in SSTables) with data in RAM (in memtables). To avoid checking every
+SSTable data file for the partition being requested, Cassandra employs a data structure known as a bloom filter.</p>
+<p>Bloom filters are a probabilistic data structure that allows Cassandra to determine one of two possible states: - The
+data definitely does not exist in the given file, or - The data probably exists in the given file.</p>
+<p>While bloom filters can not guarantee that the data exists in a given SSTable, bloom filters can be made more accurate
+by allowing them to consume more RAM. Operators have the opportunity to tune this behavior per table by adjusting the
+the <code class="docutils literal"><span class="pre">bloom_filter_fp_chance</span></code> to a float between 0 and 1.</p>
+<p>The default value for <code class="docutils literal"><span class="pre">bloom_filter_fp_chance</span></code> is 0.1 for tables using LeveledCompactionStrategy and 0.01 for all
+other cases.</p>
+<p>Bloom filters are stored in RAM, but are stored offheap, so operators should not consider bloom filters when selecting
+the maximum heap size. As accuracy improves (as the <code class="docutils literal"><span class="pre">bloom_filter_fp_chance</span></code> gets closer to 0), memory usage
+increases non-linearly - the bloom filter for <code class="docutils literal"><span class="pre">bloom_filter_fp_chance</span> <span class="pre">=</span> <span class="pre">0.01</span></code> will require about three times as much
+memory as the same table with <code class="docutils literal"><span class="pre">bloom_filter_fp_chance</span> <span class="pre">=</span> <span class="pre">0.1</span></code>.</p>
+<p>Typical values for <code class="docutils literal"><span class="pre">bloom_filter_fp_chance</span></code> are usually between 0.01 (1%) to 0.1 (10%) false-positive chance, where
+Cassandra may scan an SSTable for a row, only to find that it does not exist on the disk. The parameter should be tuned
+by use case:</p>
+<ul class="simple">
+<li>Users with more RAM and slower disks may benefit from setting the <code class="docutils literal"><span class="pre">bloom_filter_fp_chance</span></code> to a numerically lower
+number (such as 0.01) to avoid excess IO operations</li>
+<li>Users with less RAM, more dense nodes, or very fast disks may tolerate a higher <code class="docutils literal"><span class="pre">bloom_filter_fp_chance</span></code> in order to
+save RAM at the expense of excess IO operations</li>
+<li>In workloads that rarely read, or that only perform reads by scanning the entire data set (such as analytics
+workloads), setting the <code class="docutils literal"><span class="pre">bloom_filter_fp_chance</span></code> to a much higher number is acceptable.</li>
+</ul>
+<div class="section" id="changing">
+<h2>Changing<a class="headerlink" href="#changing" title="Permalink to this headline">¶</a></h2>
+<p>The bloom filter false positive chance is visible in the <code class="docutils literal"><span class="pre">DESCRIBE</span> <span class="pre">TABLE</span></code> output as the field
+<code class="docutils literal"><span class="pre">bloom_filter_fp_chance</span></code>. Operators can change the value with an <code class="docutils literal"><span class="pre">ALTER</span> <span class="pre">TABLE</span></code> statement:</p>
+<div class="highlight-none"><div class="highlight"><pre><span></span>ALTER TABLE keyspace.table WITH bloom_filter_fp_chance=0.01
+</pre></div>
+</div>
+<p>Operators should be aware, however, that this change is not immediate: the bloom filter is calculated when the file is
+written, and persisted on disk as the Filter component of the SSTable. Upon issuing an <code class="docutils literal"><span class="pre">ALTER</span> <span class="pre">TABLE</span></code> statement, new
+files on disk will be written with the new <code class="docutils literal"><span class="pre">bloom_filter_fp_chance</span></code>, but existing sstables will not be modified until
+they are compacted - if an operator needs a change to <code class="docutils literal"><span class="pre">bloom_filter_fp_chance</span></code> to take effect, they can trigger an
+SSTable rewrite using <code class="docutils literal"><span class="pre">nodetool</span> <span class="pre">scrub</span></code> or <code class="docutils literal"><span class="pre">nodetool</span> <span class="pre">upgradesstables</span> <span class="pre">-a</span></code>, both of which will rebuild the sstables on
+disk, regenerating the bloom filters in the progress.</p>
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