Added: tajo/site/docs/0.10.0/configuration/tajo-site-xml.html URL: http://svn.apache.org/viewvc/tajo/site/docs/0.10.0/configuration/tajo-site-xml.html?rev=1665114&view=auto ============================================================================== --- tajo/site/docs/0.10.0/configuration/tajo-site-xml.html (added) +++ tajo/site/docs/0.10.0/configuration/tajo-site-xml.html Mon Mar 9 02:35:26 2015 @@ -0,0 +1,293 @@ + + +<!DOCTYPE html> +<!--[if IE 8]><html class="no-js lt-ie9" lang="en" > <![endif]--> +<!--[if gt IE 8]><!--> <html class="no-js" lang="en" > <!--<![endif]--> +<head> + <meta charset="utf-8"> + <meta name="viewport" content="width=device-width, initial-scale=1.0"> + + <title>The tajo-site.xml File — Apache Tajo 0.8.0 documentation</title> + + + + + + + <link href='https://fonts.googleapis.com/css?family=Lato:400,700|Roboto+Slab:400,700|Inconsolata:400,700' rel='stylesheet' type='text/css'> + + + + + + + + + + <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" /> + + + + <link rel="top" title="Apache Tajo 0.8.0 documentation" href="../index.html"/> + <link rel="up" title="Configuration" href="../configuration.html"/> + <link rel="next" title="The catalog-site.xml File" href="catalog-site-xml.html"/> + <link rel="prev" title="Cluster Service Configuration Defaults" href="service_config_defaults.html"/> + + + <script src="https://cdnjs.cloudflare.com/ajax/libs/modernizr/2.6.2/modernizr.min.js";></script> + +</head> + +<body class="wy-body-for-nav" role="document"> + + <div class="wy-grid-for-nav"> + + + <nav data-toggle="wy-nav-shift" class="wy-nav-side"> + <div class="wy-side-nav-search"> + <a href="../index.html" class="fa fa-home"> Apache Tajo</a> + <div role="search"> + <form id ="rtd-search-form" class="wy-form" action="../search.html" method="get"> + <input type="text" name="q" placeholder="Search docs" /> + <input type="hidden" name="check_keywords" value="yes" /> + <input type="hidden" name="area" value="default" /> + 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href="../getting_started.html#first-query-execution">First query execution</a></li> +</ul> +</li> +<li class="toctree-l1 current"><a class="reference internal" href="../configuration.html">Configuration</a><ul class="current"> +<li class="toctree-l2"><a class="reference internal" href="preliminary.html">Preliminary</a></li> +<li class="toctree-l2"><a class="reference internal" href="cluster_setup.html">Cluster Setup</a></li> +<li class="toctree-l2"><a class="reference internal" href="tajo_master_configuration.html">Tajo Master Configuration</a></li> +<li class="toctree-l2"><a class="reference internal" href="worker_configuration.html">Worker Configuration</a></li> +<li class="toctree-l2"><a class="reference internal" href="catalog_configuration.html">Catalog Configuration</a></li> +<li class="toctree-l2"><a class="reference internal" href="ha_configuration.html">High Availability for TajoMaster</a></li> +<li class="toctree-l2"><a class="reference internal" href="service_config_defaults.html">Cluster Service Configuration Defaults</a></li> +<li class="toctree-l2 current"><a class="current reference internal" href="">The tajo-site.xml File</a></li> +<li class="toctree-l2"><a class="reference internal" href="catalog-site-xml.html">The catalog-site.xml File</a></li> +</ul> +</li> +<li class="toctree-l1"><a class="reference internal" href="../tsql.html">Tajo Shell (TSQL)</a><ul> +<li class="toctree-l2"><a class="reference internal" href="../tsql/meta_command.html">Meta Commands</a></li> +<li class="toctree-l2"><a class="reference internal" href="../tsql/dfs_command.html">Executing HDFS commands</a></li> +<li class="toctree-l2"><a class="reference internal" href="../tsql/variables.html">Session Variables</a></li> +<li class="toctree-l2"><a class="reference internal" href="../tsql/admin_command.html">Administration Commands</a></li> +<li class="toctree-l2"><a class="reference internal" href="../tsql/intro.html">Introducing to TSQL</a></li> +<li class="toctree-l2"><a class="reference internal" href="../tsql/single_command.html">Executing a single command</a></li> +<li class="toctree-l2"><a class="reference internal" href="../tsql/execute_file.html">Executing Queries from Files</a></li> +<li class="toctree-l2"><a class="reference internal" href="../tsql/background_command.html">Executing as background process</a></li> +</ul> +</li> +<li class="toctree-l1"><a class="reference internal" href="../sql_language.html">SQL Language</a><ul> +<li class="toctree-l2"><a class="reference internal" href="../sql_language/data_model.html">Data Model</a></li> +<li class="toctree-l2"><a class="reference internal" href="../sql_language/ddl.html">Data Definition Language</a></li> +<li class="toctree-l2"><a class="reference internal" href="../sql_language/insert.html">INSERT (OVERWRITE) INTO</a></li> +<li class="toctree-l2"><a class="reference internal" href="../sql_language/queries.html">Queries</a></li> +<li class="toctree-l2"><a class="reference internal" href="../sql_language/sql_expression.html">SQL Expressions</a></li> +<li class="toctree-l2"><a class="reference internal" href="../sql_language/predicates.html">Predicates</a></li> +</ul> +</li> +<li class="toctree-l1"><a class="reference internal" href="../time_zone.html">Time Zone</a><ul> +<li class="toctree-l2"><a class="reference internal" href="../time_zone.html#server-cluster-time-zone">Server Cluster Time Zone</a></li> +<li class="toctree-l2"><a class="reference internal" href="../time_zone.html#table-time-zone">Table Time Zone</a></li> +<li class="toctree-l2"><a class="reference internal" href="../time_zone.html#client-time-zone">Client Time Zone</a></li> +<li class="toctree-l2"><a class="reference internal" href="../time_zone.html#time-zone-id">Time Zone ID</a></li> +<li class="toctree-l2"><a class="reference internal" href="../time_zone.html#examples-of-time-zone">Examples of Time Zone</a></li> +</ul> +</li> +<li class="toctree-l1"><a class="reference internal" href="../functions.html">Functions</a><ul> +<li class="toctree-l2"><a class="reference internal" href="../functions/math_func_and_operators.html">Math Functions and Operators</a></li> +<li class="toctree-l2"><a class="reference internal" href="../functions/string_func_and_operators.html">String Functions and Operators</a></li> +<li class="toctree-l2"><a class="reference internal" href="../functions/datetime_func_and_operators.html">DateTime Functions and Operators</a></li> +<li class="toctree-l2"><a class="reference internal" href="../functions/network_func_and_operators.html">Network Functions and Operators</a></li> +</ul> +</li> +<li class="toctree-l1"><a class="reference internal" href="../table_management.html">Table Management</a><ul> +<li class="toctree-l2"><a class="reference internal" href="../table_management/table_overview.html">Overview of Tajo Tables</a></li> +<li class="toctree-l2"><a class="reference internal" href="../table_management/file_formats.html">File Formats</a></li> +<li class="toctree-l2"><a class="reference internal" href="../table_management/compression.html">Compression</a></li> +</ul> +</li> +<li class="toctree-l1"><a class="reference internal" href="../table_partitioning.html">Table Partitioning</a><ul> +<li class="toctree-l2"><a class="reference internal" href="../partitioning/intro_to_partitioning.html">Introduction to Partitioning</a></li> +<li class="toctree-l2"><a class="reference internal" href="../partitioning/column_partitioning.html">Column Partitioning</a></li> +<li class="toctree-l2"><a class="reference internal" href="../partitioning/range_partitioning.html">Range Partitioning</a></li> +<li class="toctree-l2"><a class="reference internal" href="../partitioning/hash_partitioning.html">Hash Partitioning</a></li> +</ul> +</li> +<li class="toctree-l1"><a class="reference internal" href="../index_overview.html">Index (Experimental Feature)</a><ul> +<li class="toctree-l2"><a class="reference internal" href="../index/types.html">Index Types</a></li> +<li class="toctree-l2"><a class="reference internal" href="../index/how_to_use.html">How to use index?</a></li> +<li class="toctree-l2"><a class="reference internal" href="../index/future_work.html">Future Works</a></li> +</ul> +</li> +<li class="toctree-l1"><a class="reference internal" href="../backup_and_restore.html">Backup and Restore</a><ul> +<li class="toctree-l2"><a class="reference internal" href="../backup_and_restore/catalog.html">Backup and Restore Catalog</a></li> +</ul> +</li> +<li class="toctree-l1"><a class="reference internal" href="../hcatalog_integration.html">HCatalog Integration</a></li> +<li class="toctree-l1"><a class="reference internal" href="../hbase_integration.html">HBase Integration</a><ul> +<li class="toctree-l2"><a class="reference internal" href="../hbase_integration.html#create-table">CREATE TABLE</a></li> +<li class="toctree-l2"><a class="reference internal" href="../hbase_integration.html#drop-table">DROP TABLE</a></li> +<li class="toctree-l2"><a class="reference internal" href="../hbase_integration.html#insert-overwrite-into">INSERT (OVERWRITE) INTO</a></li> +<li class="toctree-l2"><a class="reference internal" href="../hbase_integration.html#usage">Usage</a></li> +</ul> +</li> +<li class="toctree-l1"><a class="reference internal" href="../jdbc_driver.html">Tajo JDBC Driver</a><ul> +<li class="toctree-l2"><a class="reference internal" href="../jdbc_driver.html#how-to-get-jdbc-driver">How to get JDBC driver</a></li> +<li class="toctree-l2"><a class="reference internal" href="../jdbc_driver.html#setting-the-classpath">Setting the CLASSPATH</a></li> +<li class="toctree-l2"><a class="reference internal" href="../jdbc_driver.html#an-example-jdbc-client">An Example JDBC Client</a></li> +<li class="toctree-l2"><a class="reference internal" href="../jdbc_driver.html#faq">FAQ</a></li> +</ul> +</li> +<li class="toctree-l1"><a class="reference internal" href="../tajo_client_api.html">Tajo Client API</a></li> +<li class="toctree-l1"><a class="reference internal" href="../faq.html">FAQ</a></li> +</ul> + + + </div> + + </nav> + + <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"> + + + <nav class="wy-nav-top" role="navigation" aria-label="top navigation"> + <i data-toggle="wy-nav-top" class="fa fa-bars"></i> + <a href="../index.html">Apache Tajo</a> + </nav> + + + + <div class="wy-nav-content"> + <div class="rst-content"> + <div role="navigation" aria-label="breadcrumbs navigation"> + <ul class="wy-breadcrumbs"> + <li><a href="../index.html">Docs</a> »</li> + + <li><a href="../configuration.html">Configuration</a> »</li> + + <li>The tajo-site.xml File</li> + <li class="wy-breadcrumbs-aside"> + + <a href="../_sources/configuration/tajo-site-xml.txt" rel="nofollow"> View page source</a> + + </li> + </ul> + <hr/> +</div> + <div role="main"> + + <div class="section" id="the-tajo-site-xml-file"> +<h1>The tajo-site.xml File<a class="headerlink" href="#the-tajo-site-xml-file" title="Permalink to this headline">¶</a></h1> +<p>To the <tt class="docutils literal"><span class="pre">core-site.xml</span></tt> file on every host in your cluster, you must add the following information:</p> +<div class="section" id="system-config"> +<h2>System Config<a class="headerlink" href="#system-config" title="Permalink to this headline">¶</a></h2> +</div> +<div class="section" id="date-time-settings"> +<h2>Date/Time Settings<a class="headerlink" href="#date-time-settings" title="Permalink to this headline">¶</a></h2> +<table border="1" class="docutils"> +<colgroup> +<col width="27%" /> +<col width="16%" /> +<col width="57%" /> +</colgroup> +<thead valign="bottom"> +<tr class="row-odd"><th class="head">Property Name</th> +<th class="head">Property Value</th> +<th class="head">Descriptions</th> +</tr> +</thead> +<tbody valign="top"> +<tr class="row-even"><td>tajo.timezone</td> +<td>Time zone id</td> +<td>Refer to <a class="reference internal" href="../time_zone.html"><em>Time Zone</em></a></td> +</tr> +<tr class="row-odd"><td>tajo.datetime.date-order</td> +<td>Date order</td> +<td>Determine date order. It should be one of YMD, DMY, MDY</td> +</tr> +</tbody> +</table> +</div> +</div> + + + </div> + <footer> + + <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation"> + + <a href="catalog-site-xml.html" class="btn btn-neutral float-right" title="The catalog-site.xml File"/>Next <span class="fa fa-arrow-circle-right"></span></a> + + + <a href="service_config_defaults.html" class="btn btn-neutral" title="Cluster Service Configuration Defaults"><span class="fa fa-arrow-circle-left"></span> Previous</a> + + </div> + + + <hr/> + + <div role="contentinfo"> + <p> + © Copyright 2014, Apache Tajo Team. + </p> + </div> + + <a href="https://github.com/snide/sphinx_rtd_theme";>Sphinx theme</a> provided by <a href="https://readthedocs.org";>Read the Docs</a> +</footer> + </div> + </div> + + </section> + + </div> + + + + + + <script type="text/javascript"> + var DOCUMENTATION_OPTIONS = { + URL_ROOT:'../', + VERSION:'0.8.0', + COLLAPSE_INDEX:false, + FILE_SUFFIX:'.html', + HAS_SOURCE: true + }; + </script> + <script type="text/javascript" src="../_static/jquery.js"></script> + <script type="text/javascript" src="../_static/underscore.js"></script> + <script type="text/javascript" src="../_static/doctools.js"></script> + + + + + + <script type="text/javascript" src="../_static/js/theme.js"></script> + + + + + <script type="text/javascript"> + jQuery(function () { + SphinxRtdTheme.StickyNav.enable(); + }); + </script> + + +</body> +</html> \ No newline at end of file
Added: tajo/site/docs/0.10.0/configuration/tajo_master_configuration.html URL: http://svn.apache.org/viewvc/tajo/site/docs/0.10.0/configuration/tajo_master_configuration.html?rev=1665114&view=auto ============================================================================== --- tajo/site/docs/0.10.0/configuration/tajo_master_configuration.html (added) +++ tajo/site/docs/0.10.0/configuration/tajo_master_configuration.html Mon Mar 9 02:35:26 2015 @@ -0,0 +1,269 @@ + + +<!DOCTYPE html> +<!--[if IE 8]><html class="no-js lt-ie9" lang="en" > <![endif]--> +<!--[if gt IE 8]><!--> <html class="no-js" lang="en" > <!--<![endif]--> +<head> + <meta charset="utf-8"> + <meta name="viewport" content="width=device-width, initial-scale=1.0"> + + <title>Tajo Master Configuration — Apache Tajo 0.8.0 documentation</title> + + + + + + + <link href='https://fonts.googleapis.com/css?family=Lato:400,700|Roboto+Slab:400,700|Inconsolata:400,700' rel='stylesheet' type='text/css'> + + + + + + + + + + <link 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value="default" /> + </form> +</div> + </div> + + <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation"> + + + <ul class="current"> +<li class="toctree-l1"><a class="reference internal" href="../introduction.html">Introduction</a></li> +<li class="toctree-l1"><a class="reference internal" href="../getting_started.html">Getting Started</a><ul> +<li class="toctree-l2"><a class="reference internal" href="../getting_started/prerequisites.html">Prerequisites</a></li> +<li class="toctree-l2"><a class="reference internal" href="../getting_started/downloading_source.html">Dowload and unpack the source code</a></li> +<li class="toctree-l2"><a class="reference internal" href="../getting_started/building.html">Build source code</a></li> +<li class="toctree-l2"><a class="reference internal" href="../getting_started/local_setup.html">Setting up a local Tajo cluster</a></li> +<li class="toctree-l2"><a class="reference internal" href="../getting_started/first_query.html">First query execution</a></li> +</ul> +</li> +<li class="toctree-l1 current"><a class="reference internal" href="../configuration.html">Configuration</a><ul class="current"> +<li class="toctree-l2"><a class="reference internal" href="preliminary.html">Preliminary</a></li> +<li class="toctree-l2"><a class="reference internal" href="cluster_setup.html">Cluster Setup</a></li> +<li class="toctree-l2 current"><a class="current reference internal" href="">Tajo Master Configuration</a></li> +<li class="toctree-l2"><a class="reference internal" href="worker_configuration.html">Worker Configuration</a></li> +<li class="toctree-l2"><a class="reference internal" href="catalog_configuration.html">Catalog Configuration</a></li> +<li class="toctree-l2"><a class="reference internal" href="ha_configuration.html">High Availability for TajoMaster</a></li> +<li class="toctree-l2"><a class="reference internal" href="tajo-site-xml.html">The tajo-site.xml File</a></li> +<li class="toctree-l2"><a class="reference internal" href="catalog-site-xml.html">The catalog-site.xml File</a></li> +</ul> +</li> +<li class="toctree-l1"><a class="reference internal" href="../tsql.html">Tajo Shell (TSQL)</a><ul> +<li class="toctree-l2"><a class="reference internal" href="../tsql/meta_command.html">Meta Commands</a></li> +<li class="toctree-l2"><a class="reference internal" href="../tsql/dfs_command.html">Executing HDFS commands</a></li> +<li class="toctree-l2"><a class="reference internal" href="../tsql/variables.html">Session Variables</a></li> +<li class="toctree-l2"><a class="reference internal" href="../tsql/admin_command.html">Administration Commands</a></li> +<li class="toctree-l2"><a class="reference internal" href="../tsql/intro.html">Introducing to TSQL</a></li> +<li class="toctree-l2"><a class="reference internal" href="../tsql/single_command.html">Executing a single command</a></li> +<li class="toctree-l2"><a class="reference internal" href="../tsql/execute_file.html">Executing Queries from Files</a></li> +<li class="toctree-l2"><a class="reference internal" href="../tsql/background_command.html">Executing as background process</a></li> +</ul> +</li> +<li class="toctree-l1"><a class="reference internal" href="../sql_language.html">SQL Language</a><ul> +<li class="toctree-l2"><a class="reference internal" href="../sql_language/data_model.html">Data Model</a></li> +<li class="toctree-l2"><a class="reference internal" href="../sql_language/ddl.html">Data Definition Language</a></li> +<li class="toctree-l2"><a class="reference internal" href="../sql_language/insert.html">INSERT (OVERWRITE) INTO</a></li> +<li class="toctree-l2"><a class="reference internal" href="../sql_language/queries.html">Queries</a></li> +<li class="toctree-l2"><a class="reference internal" href="../sql_language/sql_expression.html">SQL Expressions</a></li> +<li class="toctree-l2"><a class="reference internal" href="../sql_language/predicates.html">Predicates</a></li> +</ul> +</li> +<li class="toctree-l1"><a class="reference internal" href="../time_zone.html">Time Zone</a><ul> +<li class="toctree-l2"><a class="reference internal" href="../time_zone.html#server-cluster-time-zone">Server Cluster Time Zone</a></li> +<li class="toctree-l2"><a class="reference internal" href="../time_zone.html#table-time-zone">Table Time Zone</a></li> +<li class="toctree-l2"><a class="reference internal" href="../time_zone.html#client-time-zone">Client Time Zone</a></li> +<li class="toctree-l2"><a class="reference internal" href="../time_zone.html#time-zone-id">Time Zone ID</a></li> +<li class="toctree-l2"><a class="reference internal" href="../time_zone.html#examples-of-time-zone">Examples of Time Zone</a></li> +</ul> +</li> +<li class="toctree-l1"><a class="reference internal" href="../functions.html">Functions</a><ul> +<li class="toctree-l2"><a class="reference internal" href="../functions/math_func_and_operators.html">Math Functions and Operators</a></li> +<li class="toctree-l2"><a class="reference internal" href="../functions/string_func_and_operators.html">String Functions and Operators</a></li> +<li class="toctree-l2"><a class="reference internal" href="../functions/datetime_func_and_operators.html">DateTime Functions and Operators</a></li> +<li class="toctree-l2"><a class="reference internal" href="../functions/network_func_and_operators.html">Network Functions and Operators</a></li> +</ul> +</li> +<li class="toctree-l1"><a class="reference internal" href="../table_management.html">Table Management</a><ul> +<li class="toctree-l2"><a class="reference internal" href="../table_management/table_overview.html">Overview of Tajo Tables</a></li> +<li class="toctree-l2"><a class="reference internal" href="../table_management/file_formats.html">File Formats</a></li> +<li class="toctree-l2"><a class="reference internal" href="../table_management/compression.html">Compression</a></li> +</ul> +</li> +<li class="toctree-l1"><a class="reference internal" href="../table_partitioning.html">Table Partitioning</a><ul> +<li class="toctree-l2"><a class="reference internal" href="../partitioning/intro_to_partitioning.html">Introduction to Partitioning</a></li> +<li class="toctree-l2"><a class="reference internal" href="../partitioning/column_partitioning.html">Column Partitioning</a></li> +<li class="toctree-l2"><a class="reference internal" href="../partitioning/range_partitioning.html">Range Partitioning</a></li> +<li class="toctree-l2"><a class="reference internal" href="../partitioning/hash_partitioning.html">Hash Partitioning</a></li> +</ul> +</li> +<li class="toctree-l1"><a class="reference internal" href="../backup_and_restore.html">Backup and Restore</a><ul> +<li class="toctree-l2"><a class="reference internal" href="../backup_and_restore/catalog.html">Backup and Restore Catalog</a></li> +</ul> +</li> +<li class="toctree-l1"><a class="reference internal" href="../hcatalog_integration.html">HCatalog Integration</a></li> +<li class="toctree-l1"><a class="reference internal" href="../jdbc_driver.html">Tajo JDBC Driver</a><ul> +<li class="toctree-l2"><a class="reference internal" href="../jdbc_driver.html#how-to-get-jdbc-driver">How to get JDBC driver</a></li> +<li class="toctree-l2"><a class="reference internal" href="../jdbc_driver.html#setting-the-classpath">Setting the CLASSPATH</a></li> +<li class="toctree-l2"><a class="reference internal" href="../jdbc_driver.html#an-example-jdbc-client">An Example JDBC Client</a></li> +<li class="toctree-l2"><a class="reference internal" href="../jdbc_driver.html#faq">FAQ</a></li> +</ul> +</li> +<li class="toctree-l1"><a class="reference internal" href="../tajo_client_api.html">Tajo Client API</a></li> +<li class="toctree-l1"><a class="reference internal" href="../faq.html">FAQ</a></li> +</ul> + + + </div> + + </nav> + + <section 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class="headerlink" href="#tajo-rootdir" title="Permalink to this headline">¶</a></h2> +<p>Tajo uses HDFS as a primary storage layer. So, one Tajo cluster instance should have one tajo rootdir. A user is allowed to specific your tajo rootdir as follows:</p> +<div class="highlight-xml"><div class="highlight"><pre><span class="nt"><property></span> + <span class="nt"><name></span>tajo.rootdir<span class="nt"></name></span> + <span class="nt"><value></span>hdfs://namenode_hostname:port/path<span class="nt"></value></span> +<span class="nt"></property></span> +</pre></div> +</div> +<p>Tajo rootdir must be a url form like <tt class="docutils literal"><span class="pre">scheme://hostname:port/path</span></tt>. The current implementaion only supports <tt class="docutils literal"><span class="pre">hdfs://</span></tt> and <tt class="docutils literal"><span class="pre">file://</span></tt> schemes. The default value is <tt class="docutils literal"><span class="pre">file:///tmp/tajo-${user.name}/</span></tt>.</p> +</div> +<div class="section" id="tajomaster-heap-memory-size"> +<h2>TajoMaster Heap Memory Size<a class="headerlink" href="#tajomaster-heap-memory-size" title="Permalink to this headline">¶</a></h2> +<p>The environment variable TAJO_MASTER_HEAPSIZE in conf/tajo-env.sh allow Tajo Master to use the specified heap memory size.</p> +<p>If you want to adjust heap memory size, set <tt class="docutils literal"><span class="pre">TAJO_MASTER_HEAPSIZE</span></tt> variable in <tt class="docutils literal"><span class="pre">conf/tajo-env.sh</span></tt> with a proper size as follows:</p> +<div class="highlight-sh"><div class="highlight"><pre><span class="nv">TAJO_MASTER_HEAPSIZE</span><span class="o">=</span>2000 +</pre></div> +</div> +<p>The default size is 1000 (1GB).</p> +</div> +</div> + + + </div> + <footer> + + <div class="rst-footer-buttons" role="navigation" aria-label="footer 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+<li class="toctree-l1"><a class="reference internal" href="../tajo_client_api.html">Tajo Client API</a></li> +<li class="toctree-l1"><a class="reference internal" href="../faq.html">FAQ</a></li> +</ul> + + + </div> + + </nav> + + <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"> + + + <nav class="wy-nav-top" role="navigation" aria-label="top navigation"> + <i data-toggle="wy-nav-top" class="fa fa-bars"></i> + <a href="../index.html">Apache Tajo</a> + </nav> + + + + <div class="wy-nav-content"> + <div class="rst-content"> + <div role="navigation" aria-label="breadcrumbs navigation"> + <ul class="wy-breadcrumbs"> + <li><a href="../index.html">Docs</a> »</li> + + <li><a href="../configuration.html">Configuration</a> »</li> + + <li>Worker Configuration</li> + <li class="wy-breadcrumbs-aside"> + + <a href="../_sources/configuration/worker_configuration.txt" rel="nofollow"> View page source</a> + + </li> + </ul> + <hr/> +</div> + <div role="main"> + + <div class="section" id="worker-configuration"> +<h1>Worker Configuration<a class="headerlink" href="#worker-configuration" title="Permalink to this headline">¶</a></h1> +<div class="section" id="worker-heap-memory-size"> +<h2>Worker Heap Memory Size<a class="headerlink" href="#worker-heap-memory-size" title="Permalink to this headline">¶</a></h2> +<p>The environment variable <tt class="docutils literal"><span class="pre">TAJO_WORKER_HEAPSIZE</span></tt> in <tt class="docutils literal"><span class="pre">conf/tajo-env.sh</span></tt> allow Tajo Worker to use the specified heap memory size.</p> +<p>If you want to adjust heap memory size, set <tt class="docutils literal"><span class="pre">TAJO_WORKER_HEAPSIZE</span></tt> variable in <tt class="docutils literal"><span class="pre">conf/tajo-env.sh</span></tt> with a proper size as follows:</p> +<div class="highlight-bash"><div class="highlight"><pre><span class="nv">TAJO_WORKER_HEAPSIZE</span><span class="o">=</span>8000 +</pre></div> +</div> +<p>The default size is 1000 (1GB).</p> +</div> +<div class="section" id="temporary-data-directory"> +<h2>Temporary Data Directory<a class="headerlink" href="#temporary-data-directory" title="Permalink to this headline">¶</a></h2> +<p>TajoWorker stores temporary data on local file system due to out-of-core algorithms. It is possible to specify one or more temporary data directories where temporary data will be stored.</p> +<p><tt class="docutils literal"><span class="pre">tajo-site.xml</span></tt></p> +<div class="highlight-xml"><div class="highlight"><pre><span class="nt"><property></span> + <span class="nt"><name></span>tajo.worker.tmpdir.locations<span class="nt"></name></span> + <span class="nt"><value></span>/disk1/tmpdir,/disk2/tmpdir,/disk3/tmpdir<span class="nt"></value></span> +<span class="nt"></property></span> +</pre></div> +</div> +</div> +<div class="section" id="maximum-number-of-parallel-running-tasks-for-each-worker"> +<h2>Maximum number of parallel running tasks for each worker<a class="headerlink" href="#maximum-number-of-parallel-running-tasks-for-each-worker" title="Permalink to this headline">¶</a></h2> +<p>In Tajo, the capacity of running tasks in parallel are determined by available resources and workload of running queries. In order to specify it, please see [Worker Resources] (#ResourceConfiguration) section.</p> +</div> +<div class="section" id="worker-resources"> +<h2>Worker Resources<a class="headerlink" href="#worker-resources" title="Permalink to this headline">¶</a></h2> +<p>Each worker can execute multiple tasks simultaneously. +In Tajo, users can specify the total size of memory and the number of disks for each worker. Available resources affect how many tasks are executed simultaneously.</p> +<p>In order to specify the resource capacity of each worker, you should add the following configs to <tt class="docutils literal"><span class="pre">tajo-site.xml</span></tt> :</p> +<table border="1" class="docutils"> +<colgroup> +<col width="32%" /> +<col width="25%" /> +<col width="18%" /> +<col width="24%" /> +</colgroup> +<thead valign="bottom"> +<tr class="row-odd"><th class="head">property name</th> +<th class="head">description</th> +<th class="head">value type</th> +<th class="head">default value</th> +</tr> +</thead> +<tbody valign="top"> +<tr class="row-even"><td>tajo.worker.resource.cpu-cores</td> +<td>the number of cpu cores</td> +<td>integer</td> +<td>1</td> +</tr> +<tr class="row-odd"><td>tajo.worker.resource.memory-mb</td> +<td>memory size (MB)</td> +<td>integer</td> +<td>1024</td> +</tr> +<tr class="row-even"><td>tajo.worker.resource.disks</td> +<td>the number of disks</td> +<td>integer</td> +<td>1</td> +</tr> +</tbody> +</table> +<div class="admonition note"> +<p class="first admonition-title">Note</p> +<p class="last">Currently, QueryMaster requests 512MB memory and 0.5 disk per task for the backward compatibility.</p> +</div> +<div class="admonition note"> +<p class="first admonition-title">Note</p> +<p class="last">If <tt class="docutils literal"><span class="pre">tajo.worker.resource.dfs-dir-aware</span></tt> is set to <tt class="docutils literal"><span class="pre">true</span></tt> in <tt class="docutils literal"><span class="pre">tajo-site.xml</span></tt>, the worker will aware of and use the number of HDFS datanode’s data dirs in the node. +In other words, <tt class="docutils literal"><span class="pre">tajo.worker.resource.disks</span></tt> is ignored.</p> +</div> +<div class="section" id="example"> +<h3>Example<a class="headerlink" href="#example" title="Permalink to this headline">¶</a></h3> +<p>Assume that you want to give 5120 MB memory, 4 disks, and 24 cores on each worker. The example configuration is as follows:</p> +<p><tt class="docutils literal"><span class="pre">tajo-site.xml</span></tt></p> +<div class="highlight-xml"><div class="highlight"><pre><span class="nt"><property></span> + <span class="nt"><name></span>tajo.worker.resource.tajo.worker.resource.cpu-cores<span class="nt"></name></span> + <span class="nt"><value></span>24<span class="nt"></value></span> +<span class="nt"></property></span> + + <span class="nt"><property></span> + <span class="nt"><name></span>tajo.worker.resource.memory-mb<span class="nt"></name></span> + <span class="nt"><value></span>5120<span class="nt"></value></span> +<span class="nt"></property></span> + +<span class="nt"><property></span> + <span class="nt"><name></span>tajo.worker.resource.tajo.worker.resource.disks<span class="nt"></name></span> + <span class="nt"><value></span>4.0<span class="nt"></value></span> +<span class="nt"></property></span> +</pre></div> +</div> +</div> +<div class="section" id="dedicated-mode"> +<h3>Dedicated Mode<a class="headerlink" href="#dedicated-mode" title="Permalink to this headline">¶</a></h3> +<p>Tajo provides a dedicated mode that allows each worker in a Tajo cluster to use whole available system resources including cpu-cores, memory, and disks. For this mode, a user should add the following config to <tt class="docutils literal"><span class="pre">tajo-site.xml</span></tt> :</p> +<div class="highlight-xml"><div class="highlight"><pre><span class="nt"><property></span> + <span class="nt"><name></span>tajo.worker.resource.dedicated<span class="nt"></name></span> + <span class="nt"><value></span>true<span class="nt"></value></span> +<span class="nt"></property></span> +</pre></div> +</div> +<p>In addition, it can limit the memory capacity used for Tajo worker as follows:</p> +<table border="1" class="docutils"> +<colgroup> +<col width="34%" /> +<col width="35%" /> +<col width="14%" /> +<col width="17%" /> +</colgroup> +<thead valign="bottom"> +<tr class="row-odd"><th class="head">property name</th> +<th class="head">description</th> +<th class="head">value type</th> +<th class="head">default value</th> +</tr> +</thead> +<tbody valign="top"> +<tr class="row-even"><td>tajo.worker.resource.dedicated-memory-ratio</td> +<td>how much memory to be used in whole memory</td> +<td>float</td> +<td>0.8</td> +</tr> +</tbody> +</table> +</div> +</div> +</div> + + + </div> + <footer> + + <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation"> + + <a href="catalog_configuration.html" class="btn btn-neutral float-right" title="Catalog Configuration"/>Next <span class="fa fa-arrow-circle-right"></span></a> + + + <a href="tajo_master_configuration.html" class="btn btn-neutral" title="Tajo Master Configuration"><span class="fa fa-arrow-circle-left"></span> Previous</a> + + </div> + + + <hr/> + + <div role="contentinfo"> + <p> + © Copyright 2014, Apache Tajo Team. + </p> + </div> + + <a href="https://github.com/snide/sphinx_rtd_theme";>Sphinx theme</a> provided by <a href="https://readthedocs.org";>Read the Docs</a> +</footer> + </div> + </div> + + </section> + + </div> + + + + + + <script type="text/javascript"> + var DOCUMENTATION_OPTIONS = { + URL_ROOT:'../', + VERSION:'0.8.0', + COLLAPSE_INDEX:false, + FILE_SUFFIX:'.html', + HAS_SOURCE: true + }; + </script> + <script type="text/javascript" src="../_static/jquery.js"></script> + <script type="text/javascript" src="../_static/underscore.js"></script> + <script type="text/javascript" src="../_static/doctools.js"></script> + + + + + + <script type="text/javascript" src="../_static/js/theme.js"></script> + + + + + <script type="text/javascript"> + jQuery(function () { + SphinxRtdTheme.StickyNav.enable(); + }); + </script> + + +</body> +</html> \ No newline at end of file Added: tajo/site/docs/0.10.0/faq.html URL: http://svn.apache.org/viewvc/tajo/site/docs/0.10.0/faq.html?rev=1665114&view=auto ============================================================================== --- tajo/site/docs/0.10.0/faq.html (added) +++ tajo/site/docs/0.10.0/faq.html Mon Mar 9 02:35:26 2015 @@ -0,0 +1,246 @@ + + +<!DOCTYPE html> +<!--[if IE 8]><html class="no-js lt-ie9" lang="en" > <![endif]--> +<!--[if gt IE 8]><!--> <html class="no-js" lang="en" > 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class="reference internal" href="functions.html">Functions</a><ul> +<li class="toctree-l2"><a class="reference internal" href="functions/math_func_and_operators.html">Math Functions and Operators</a></li> +<li class="toctree-l2"><a class="reference internal" href="functions/string_func_and_operators.html">String Functions and Operators</a></li> +<li class="toctree-l2"><a class="reference internal" href="functions/datetime_func_and_operators.html">DateTime Functions and Operators</a></li> +<li class="toctree-l2"><a class="reference internal" href="functions/network_func_and_operators.html">Network Functions and Operators</a></li> +</ul> +</li> +<li class="toctree-l1"><a class="reference internal" href="table_management.html">Table Management</a><ul> +<li class="toctree-l2"><a class="reference internal" href="table_management/table_overview.html">Overview of Tajo Tables</a></li> +<li class="toctree-l2"><a class="reference internal" href="table_management/file_formats.html">File Formats</a></li> +<li class="toctree-l2"><a class="reference internal" href="table_management/compression.html">Compression</a></li> +</ul> +</li> +<li class="toctree-l1"><a class="reference internal" href="table_partitioning.html">Table Partitioning</a><ul> +<li class="toctree-l2"><a class="reference internal" href="partitioning/intro_to_partitioning.html">Introduction to Partitioning</a></li> +<li class="toctree-l2"><a class="reference internal" href="partitioning/column_partitioning.html">Column Partitioning</a></li> +<li class="toctree-l2"><a class="reference internal" href="partitioning/range_partitioning.html">Range Partitioning</a></li> +<li class="toctree-l2"><a class="reference internal" href="partitioning/hash_partitioning.html">Hash Partitioning</a></li> +</ul> +</li> +<li class="toctree-l1"><a class="reference internal" href="backup_and_restore.html">Backup and Restore</a><ul> +<li class="toctree-l2"><a class="reference internal" href="backup_and_restore/catalog.html">Backup and Restore Catalog</a></li> +</ul> +</li> +<li class="toctree-l1"><a class="reference internal" href="hcatalog_integration.html">HCatalog Integration</a></li> +<li class="toctree-l1"><a class="reference internal" href="jdbc_driver.html">Tajo JDBC Driver</a><ul> +<li class="toctree-l2"><a class="reference internal" href="jdbc_driver.html#how-to-get-jdbc-driver">How to get JDBC driver</a></li> +<li class="toctree-l2"><a class="reference internal" href="jdbc_driver.html#setting-the-classpath">Setting the CLASSPATH</a></li> +<li class="toctree-l2"><a class="reference internal" href="jdbc_driver.html#an-example-jdbc-client">An Example JDBC Client</a></li> +<li class="toctree-l2"><a class="reference internal" href="jdbc_driver.html#faq">FAQ</a></li> +</ul> +</li> +<li class="toctree-l1"><a class="reference internal" href="tajo_client_api.html">Tajo Client API</a></li> +<li class="toctree-l1 current"><a class="current reference internal" href="">FAQ</a></li> +</ul> + + + </div> + + </nav> + + <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"> + + + <nav class="wy-nav-top" role="navigation" aria-label="top navigation"> + <i data-toggle="wy-nav-top" class="fa fa-bars"></i> + <a href="index.html">Apache Tajo</a> + </nav> + + + + <div class="wy-nav-content"> + <div class="rst-content"> + <div role="navigation" aria-label="breadcrumbs navigation"> + <ul class="wy-breadcrumbs"> + <li><a href="index.html">Docs</a> »</li> + + <li>FAQ</li> + <li class="wy-breadcrumbs-aside"> + + <a href="_sources/faq.txt" rel="nofollow"> View page source</a> + + </li> + </ul> + <hr/> +</div> + <div role="main"> + + <div class="section" id="faq"> +<h1>FAQ<a class="headerlink" href="#faq" title="Permalink to this headline">¶</a></h1> +<div class="admonition-todo admonition" id="index-0"> +<p class="first last admonition-title">Todo</p> +</div> +</div> + + + </div> + <footer> + + <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation"> + + + <a href="tajo_client_api.html" class="btn btn-neutral" title="Tajo Client API"><span class="fa fa-arrow-circle-left"></span> Previous</a> + + </div> + + + <hr/> + + <div role="contentinfo"> + <p> + © Copyright 2014, Apache Tajo Team. + </p> + </div> + + <a href="https://github.com/snide/sphinx_rtd_theme";>Sphinx theme</a> provided by <a href="https://readthedocs.org";>Read the Docs</a> +</footer> + </div> + </div> + + </section> + + </div> + + + + + + <script type="text/javascript"> + var DOCUMENTATION_OPTIONS = { + URL_ROOT:'./', + VERSION:'0.8.0', + COLLAPSE_INDEX:false, + FILE_SUFFIX:'.html', + HAS_SOURCE: true + }; + </script> + <script type="text/javascript" src="_static/jquery.js"></script> + <script type="text/javascript" src="_static/underscore.js"></script> + <script type="text/javascript" src="_static/doctools.js"></script> + + + + + + <script type="text/javascript" src="_static/js/theme.js"></script> + + + + + <script 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+ + <link rel="stylesheet" href="_static/css/theme.css" type="text/css" /> + + + + <link rel="top" title="Apache Tajo 0.8.0 documentation" href="index.html"/> + <link rel="next" title="Math Functions and Operators" href="functions/math_func_and_operators.html"/> + <link rel="prev" title="Time Zone" href="time_zone.html"/> + + + <script src="https://cdnjs.cloudflare.com/ajax/libs/modernizr/2.6.2/modernizr.min.js";></script> + +</head> + +<body class="wy-body-for-nav" role="document"> + + <div class="wy-grid-for-nav"> + + + <nav data-toggle="wy-nav-shift" class="wy-nav-side"> + <div class="wy-side-nav-search"> + <a href="index.html" class="fa fa-home"> Apache Tajo</a> + <div role="search"> + <form id ="rtd-search-form" class="wy-form" action="search.html" method="get"> + <input type="text" name="q" placeholder="Search docs" /> + <input type="hidden" name="check_keywords" value="yes" /> + <input type="hidden" name="area" value="default" /> + </form> +</div> + </div> + + <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation"> + + + <ul class="current"> +<li class="toctree-l1"><a class="reference internal" href="introduction.html">Introduction</a></li> +<li class="toctree-l1"><a class="reference internal" href="getting_started.html">Getting Started</a><ul> +<li class="toctree-l2"><a class="reference internal" href="getting_started/prerequisites.html">Prerequisites</a></li> +<li class="toctree-l2"><a class="reference internal" href="getting_started/downloading_source.html">Dowload and unpack the source code</a></li> +<li class="toctree-l2"><a class="reference internal" href="getting_started/building.html">Build source code</a></li> +<li class="toctree-l2"><a class="reference internal" href="getting_started/local_setup.html">Setting up a local Tajo cluster</a></li> +<li class="toctree-l2"><a class="reference internal" href="getting_started/first_query.html">First query execution</a></li> +</ul> +</li> +<li class="toctree-l1"><a class="reference internal" href="configuration.html">Configuration</a><ul> +<li class="toctree-l2"><a class="reference internal" href="configuration/preliminary.html">Preliminary</a></li> +<li class="toctree-l2"><a class="reference internal" href="configuration/cluster_setup.html">Cluster Setup</a></li> +<li class="toctree-l2"><a class="reference internal" href="configuration/tajo_master_configuration.html">Tajo Master Configuration</a></li> +<li class="toctree-l2"><a class="reference internal" href="configuration/worker_configuration.html">Worker Configuration</a></li> +<li class="toctree-l2"><a class="reference internal" href="configuration/catalog_configuration.html">Catalog Configuration</a></li> +<li class="toctree-l2"><a class="reference internal" href="configuration/ha_configuration.html">High Availability for TajoMaster</a></li> +<li class="toctree-l2"><a class="reference internal" href="configuration/tajo-site-xml.html">The tajo-site.xml File</a></li> +<li class="toctree-l2"><a class="reference internal" href="configuration/catalog-site-xml.html">The catalog-site.xml File</a></li> +</ul> +</li> +<li class="toctree-l1"><a class="reference internal" href="tsql.html">Tajo Shell (TSQL)</a><ul> +<li class="toctree-l2"><a class="reference internal" href="tsql/meta_command.html">Meta Commands</a></li> +<li class="toctree-l2"><a class="reference internal" href="tsql/dfs_command.html">Executing HDFS commands</a></li> +<li class="toctree-l2"><a class="reference internal" href="tsql/variables.html">Session Variables</a></li> +<li class="toctree-l2"><a class="reference internal" href="tsql/admin_command.html">Administration Commands</a></li> +<li class="toctree-l2"><a class="reference internal" href="tsql/intro.html">Introducing to TSQL</a></li> +<li class="toctree-l2"><a class="reference internal" href="tsql/single_command.html">Executing a single command</a></li> +<li class="toctree-l2"><a class="reference internal" href="tsql/execute_file.html">Executing Queries from Files</a></li> +<li class="toctree-l2"><a class="reference internal" href="tsql/background_command.html">Executing as background process</a></li> +</ul> +</li> +<li class="toctree-l1"><a class="reference internal" href="sql_language.html">SQL Language</a><ul> +<li class="toctree-l2"><a class="reference internal" href="sql_language/data_model.html">Data Model</a></li> +<li class="toctree-l2"><a class="reference internal" href="sql_language/ddl.html">Data Definition Language</a></li> +<li class="toctree-l2"><a class="reference internal" href="sql_language/insert.html">INSERT (OVERWRITE) INTO</a></li> +<li class="toctree-l2"><a class="reference internal" href="sql_language/queries.html">Queries</a></li> +<li class="toctree-l2"><a class="reference internal" href="sql_language/sql_expression.html">SQL Expressions</a></li> +<li class="toctree-l2"><a class="reference internal" href="sql_language/predicates.html">Predicates</a></li> +</ul> +</li> +<li class="toctree-l1"><a class="reference internal" href="time_zone.html">Time Zone</a><ul> +<li class="toctree-l2"><a class="reference internal" href="time_zone.html#server-cluster-time-zone">Server Cluster Time Zone</a></li> +<li class="toctree-l2"><a class="reference internal" href="time_zone.html#table-time-zone">Table Time Zone</a></li> +<li class="toctree-l2"><a class="reference internal" href="time_zone.html#client-time-zone">Client Time Zone</a></li> +<li class="toctree-l2"><a class="reference internal" href="time_zone.html#time-zone-id">Time Zone ID</a></li> +<li class="toctree-l2"><a class="reference internal" href="time_zone.html#examples-of-time-zone">Examples of Time Zone</a></li> +</ul> +</li> +<li class="toctree-l1 current"><a class="current reference internal" href="">Functions</a><ul> +<li class="toctree-l2"><a class="reference internal" href="functions/math_func_and_operators.html">Math Functions and Operators</a></li> +<li class="toctree-l2"><a class="reference internal" href="functions/string_func_and_operators.html">String Functions and Operators</a></li> +<li class="toctree-l2"><a class="reference internal" href="functions/datetime_func_and_operators.html">DateTime Functions and Operators</a></li> +<li class="toctree-l2"><a class="reference internal" href="functions/network_func_and_operators.html">Network Functions and Operators</a></li> +</ul> +</li> +<li class="toctree-l1"><a class="reference internal" href="table_management.html">Table Management</a><ul> +<li class="toctree-l2"><a class="reference internal" href="table_management/table_overview.html">Overview of Tajo Tables</a></li> +<li class="toctree-l2"><a class="reference internal" href="table_management/file_formats.html">File Formats</a></li> +<li class="toctree-l2"><a class="reference internal" href="table_management/compression.html">Compression</a></li> +</ul> +</li> +<li class="toctree-l1"><a class="reference internal" href="table_partitioning.html">Table 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