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From jdcry...@apache.org
Subject [11/45] incubator-kudu git commit: Add 0.8.0 docs
Date Mon, 11 Apr 2016 16:28:16 GMT
http://git-wip-us.apache.org/repos/asf/incubator-kudu/blob/c78a2f80/releases/0.8.0/docs/configuration.html
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+---
+title: Configuring Apache Kudu (incubating)
+layout: default
+active_nav: docs
+last_updated: 'Last updated 2016-04-11 08:31:49 PDT'
+---
+<!--
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+-->
+
+
+<div class="container">
+  <div class="row">
+    <div class="col-md-9">
+
+<h1>Configuring Apache Kudu (incubating)</h1>
+      <div id="preamble">
+<div class="sectionbody">
+<div class="admonitionblock note">
+<table>
+<tr>
+<td class="icon">
+<i class="fa icon-note" title="Note"></i>
+</td>
+<td class="content">
+Kudu is easier to configure with <a href="http://www.cloudera.com/content/www/en-us/products/cloudera-manager.html">Cloudera
Manager</a>
+than in a standalone installation. See Cloudera&#8217;s
+<a href="http://www.cloudera.com/content/www/en-us/documentation/betas/kudu/0-5-0/topics/kudu_installation.html">Kudu
documentation</a>
+for more details about using Kudu with Cloudera Manager.
+</td>
+</tr>
+</table>
+</div>
+</div>
+</div>
+<div class="sect1">
+<h2 id="_configure_kudu"><a class="link" href="#_configure_kudu">Configure Kudu</a></h2>
+<div class="sectionbody">
+<div class="sect2">
+<h3 id="_configuration_basics"><a class="link" href="#_configuration_basics">Configuration
Basics</a></h3>
+<div class="paragraph">
+<p>To configure the behavior of each Kudu process, you can pass command-line flags
when
+you start it, or read those options from configuration files by passing them using
+one or more <code>--flagfile=&lt;file&gt;</code> options. You can even
include the
+<code>--flagfile</code> option within your configuration file to include other
files. Learn more about gflags
+by reading <a href="http://google-gflags.googlecode.com/svn/trunk/doc/gflags.html">its
documentation</a>.</p>
+</div>
+<div class="paragraph">
+<p>You can place options for masters and tablet servers into the same configuration
+file, and each will ignore options that do not apply.</p>
+</div>
+<div class="paragraph">
+<p>Flags can be prefixed with either one or two <code>-</code> characters.
This
+documentation standardizes on two: <code>--example_flag</code>.</p>
+</div>
+</div>
+<div class="sect2">
+<h3 id="_discovering_configuration_options"><a class="link" href="#_discovering_configuration_options">Discovering
Configuration Options</a></h3>
+<div class="paragraph">
+<p>Only the most common configuration options are documented here. For a more exhaustive
+list of configuration options, see the <a href="configuration_reference.html">Configuration
Reference</a>.</p>
+</div>
+<div class="paragraph">
+<p>To see all configuration flags for a given executable, run it with the <code>--help</code>
option.
+Take care when configuring undocumented flags, as not every possible
+configuration has been tested, and undocumented options are not guaranteed to be
+maintained in future releases.</p>
+</div>
+</div>
+<div class="sect2">
+<h3 id="_configuring_the_kudu_master"><a class="link" href="#_configuring_the_kudu_master">Configuring
the Kudu Master</a></h3>
+<div class="paragraph">
+<p>To see all available configuration options for the <code>kudu-master</code>
executable, run it
+with the <code>--help</code> option:</p>
+</div>
+<div class="listingblock">
+<div class="content">
+<pre>$ kudu-master --help</pre>
+</div>
+</div>
+<table class="tableblock frame-all grid-all spread">
+<caption class="title">Table 1. Supported Configuration Flags for Kudu Masters</caption>
+<colgroup>
+<col style="width: 25%;">
+<col style="width: 25%;">
+<col style="width: 25%;">
+<col style="width: 25%;">
+</colgroup>
+<thead>
+<tr>
+<th class="tableblock halign-left valign-top">Flag</th>
+<th class="tableblock halign-left valign-top">Valid Options</th>
+<th class="tableblock halign-left valign-top">Default</th>
+<th class="tableblock halign-left valign-top">Description</th>
+</tr>
+</thead>
+<tbody>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock"><code>--fs_data_dirs</code></p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">string</p></td>
+<td class="tableblock halign-left valign-top"></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">Comma-separated
list of
+directories where the Master will place its data blocks.</p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock"><code>--fs_wal_dir</code></p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">string</p></td>
+<td class="tableblock halign-left valign-top"></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">The directory
where the Master will
+place its write-ahead logs. May be the same as <em>one of</em> the directories
listed in
+<code>--fs_data_dirs</code>, but not a sub-directory of a data directory.</p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock"><code>--log_dir</code></p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">string</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock"><code>/var/log/kudu</code></p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">The directory
to store Master log files.</p></td>
+</tr>
+</tbody>
+</table>
+<div class="paragraph">
+<p>For the full list of flags for masters, see the
+<a href="configuration_reference.html#master_configuration_reference">Kudu Master Configuration
Reference</a>.</p>
+</div>
+</div>
+<div class="sect2">
+<h3 id="_configuring_tablet_servers"><a class="link" href="#_configuring_tablet_servers">Configuring
Tablet Servers</a></h3>
+<div class="paragraph">
+<p>To see all available configuration options for the <code>kudu-tserver</code>
executable,
+run it with the <code>--help</code> option:</p>
+</div>
+<div class="listingblock">
+<div class="content">
+<pre>$ kudu-tserver --help</pre>
+</div>
+</div>
+<table class="tableblock frame-all grid-all spread">
+<caption class="title">Table 2. Supported Configuration Flags for Kudu Tablet Servers</caption>
+<colgroup>
+<col style="width: 25%;">
+<col style="width: 25%;">
+<col style="width: 25%;">
+<col style="width: 25%;">
+</colgroup>
+<thead>
+<tr>
+<th class="tableblock halign-left valign-top">Flag</th>
+<th class="tableblock halign-left valign-top">Valid Options</th>
+<th class="tableblock halign-left valign-top">Default</th>
+<th class="tableblock halign-left valign-top">Description</th>
+</tr>
+</thead>
+<tbody>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">--fs_data_dirs</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">string</p></td>
+<td class="tableblock halign-left valign-top"></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">Comma-separated
list
+of directories where the Tablet Server will place its data blocks.</p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">--fs_wal_dir</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">string</p></td>
+<td class="tableblock halign-left valign-top"></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">The directory
where the Tablet Server will
+place its write-ahead logs. May be the same as <em>one of</em> the directories
listed in
+<code>--fs_data_dirs</code>, but not a sub-directory of a data directory.</p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">--log_dir</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">string</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">/var/log/kudu</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">The directory
to store Tablet Server log files</p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">--tserver_master_addrs</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">string</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock"><code>127.0.0.1:7051</code></p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">Comma separated
+addresses of the masters which the tablet server should connect to. The masters
+do not read this flag.</p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">--block_cache_capacity_mb</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">integer</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">512</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">Maximum amount
of memory allocated to the Kudu Tablet Server&#8217;s block cache.</p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">--memory_limit_hard_bytes</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">integer</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">4294967296</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">Maximum amount
of memory a Tablet Server can consume before it starts rejecting all incoming writes.</p></td>
+</tr>
+</tbody>
+</table>
+<div class="paragraph">
+<p>For the full list of flags for tablet servers, see the
+<a href="configuration_reference.html#tablet_server_configuration_reference">Kudu Tablet
Server Configuration Reference</a>.</p>
+</div>
+</div>
+</div>
+</div>
+<div class="sect1">
+<h2 id="_next_steps"><a class="link" href="#_next_steps">Next Steps</a></h2>
+<div class="sectionbody">
+<div class="ulist">
+<ul>
+<li>
+<p><a href="quickstart.html">Get Started With Kudu</a></p>
+</li>
+<li>
+<p><a href="developing.html">Developing Applications With Kudu</a></p>
+</li>
+</ul>
+</div>
+</div>
+</div>
+    </div>
+    <div class="col-md-3">
+
+  <div id="toc" data-spy="affix" data-offset-top="70">
+  <ul>
+
+      <li>
+
+          <a href="introduction.html">Introducing Kudu</a> 
+      </li> 
+      <li>
+
+          <a href="release_notes.html">Kudu Release Notes</a> 
+      </li> 
+      <li>
+
+          <a href="quickstart.html">Getting Started with Kudu</a> 
+      </li> 
+      <li>
+
+          <a href="installation.html">Installation Guide</a> 
+      </li> 
+      <li>
+<span class="active-toc">Configuring Kudu</span>
+            <ul class="sectlevel1">
+<li><a href="#_configure_kudu">Configure Kudu</a>
+<ul class="sectlevel2">
+<li><a href="#_configuration_basics">Configuration Basics</a></li>
+<li><a href="#_discovering_configuration_options">Discovering Configuration Options</a></li>
+<li><a href="#_configuring_the_kudu_master">Configuring the Kudu Master</a></li>
+<li><a href="#_configuring_tablet_servers">Configuring Tablet Servers</a></li>
+</ul>
+</li>
+<li><a href="#_next_steps">Next Steps</a></li>
+</ul> 
+      </li> 
+      <li>
+
+          <a href="kudu_impala_integration.html">Using Impala with Kudu</a> 
+      </li> 
+      <li>
+
+          <a href="administration.html">Administering Kudu</a> 
+      </li> 
+      <li>
+
+          <a href="troubleshooting.html">Troubleshooting Kudu</a> 
+      </li> 
+      <li>
+
+          <a href="developing.html">Developing Applications with Kudu</a> 
+      </li> 
+      <li>
+
+          <a href="schema_design.html">Kudu Schema Design</a> 
+      </li> 
+      <li>
+
+          <a href="transaction_semantics.html">Kudu Transaction Semantics</a>

+      </li> 
+      <li>
+
+          <a href="contributing.html">Contributing to Kudu</a> 
+      </li> 
+      <li>
+
+          <a href="style_guide.html">Kudu Documentation Style Guide</a> 
+      </li> 
+      <li>
+
+          <a href="configuration_reference.html">Kudu Configuration Reference</a>

+      </li> 
+  </ul>
+  </div>
+    </div>
+  </div>
+</div>
\ No newline at end of file


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