Added: kylin/site/docs23/tutorial/query_pushdown.html URL: http://svn.apache.org/viewvc/kylin/site/docs23/tutorial/query_pushdown.html?rev=1822508&view=auto ============================================================================== --- kylin/site/docs23/tutorial/query_pushdown.html (added) +++ kylin/site/docs23/tutorial/query_pushdown.html Mon Jan 29 14:05:18 2018 @@ -0,0 +1,4197 @@ +<!-- +* Licensed to the Apache Software Foundation (ASF) under one +* or more contributor license agreements. See the NOTICE file +* distributed with this work for additional information +* regarding copyright ownership. The ASF licenses this file +* to you under the Apache License, Version 2.0 (the +* "License"); you may not use this file except in compliance +* with the License. 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+ + + + + + + + + + + + + + + + + <li><a href="/docs23/howto/howto_install_ranger_kylin_plugin.html" class="list-group-item-lay pjaxlink" id="navlist">The Ranger Kylin Plugin Installation Guide</a></li> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + <li><a href="/docs23/howto/howto_enable_zookeeper_acl.html" class="list-group-item-lay pjaxlink" id="navlist">Enable zookeeper acl</a></li> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + <li><a href="/docs23/howto/howto_setup_systemcube.html" class="list-group-item-lay pjaxlink" id="navlist">Set Up System Cube</a></li> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + <li><a href="/docs23/howto/howto_use_cube_planner.html" class="list-group-item-lay pjaxlink" id="navlist">Use Cube Planner</a></li> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + <li><a href="/docs23/howto/howto_use_dashboard.html" class="list-group-item-lay pjaxlink" id="navlist">Use Dashboard</a></li> + + + + + + + + + <ul> + </div> +</div> + + + </ul> +</div> + + <div class="col-md-9 col-lg-9 col-xs-14 aside2"> + <div id="container"> + <div id="pjax"> + <h1 class="post-title">Enable Query Pushdown</h1> + + + <article class="post-content" > + <h3 id="introduction">Introduction</h3> + +<p>If a query can not be answered by any cube, Kylin supports pushing down such query to backup query engines like Hive, SparkSQL, Impala through JDBC. In the following, Hive is used as an example, as it is one of Kylinâs data sources and be convenient to configure.</p> + +<h3 id="query-pushdown-config">Query Pushdown config</h3> + +<ol> + <li> + <p>In Kylinâs installation directory, uncomment configuration item <code class="highlighter-rouge">kylin.query.pushdown.runner-class-name</code> of config file <code class="highlighter-rouge">kylin.properties</code>, and set it to <code class="highlighter-rouge">org.apache.kylin.query.adhoc.PushDownRunnerJdbcImpl</code></p> + </li> + <li> + <p>Add configuration items below in config file <code class="highlighter-rouge">kylin.properties</code>.</p> + + <ul> + <li> + <p><em>kylin.query.pushdown.jdbc.url</em>: Hive JDBCâs URL.</p> + </li> + <li> + <p><em>kylin.query.pushdown.jdbc.driver</em>: Hive Jdbcâs driver class name.</p> + </li> + <li> + <p><em>kylin.query.pushdown.jdbc.username</em>: Hive Jdbcâs user name.</p> + </li> + <li> + <p><em>kylin.query.pushdown.jdbc.password</em>: Hive Jdbcâs password.</p> + </li> + <li> + <p><em>kylin.query.pushdown.jdbc.pool-max-total</em>: Hive Jdbcâs connection poolâs max connected connection number, default value is 8</p> + </li> + <li> + <p><em>kylin.query.pushdown.jdbc.pool-max-idle</em>: Hive Jdbcâs connection poolâs max waiting connection number, default value is 8</p> + </li> + <li> + <p><em>kylin.query.pushdown.jdbc.pool-min-idle</em>: Hive Jdbcâs connection poolâs min connected connection number, default value is 0</p> + </li> + </ul> + </li> +</ol> + +<p>Here is a sample configuration; remember to change host âhiveserverâ and port â10000â with your cluster configuraitons.</p> + +<div class="highlight"><pre><code class="language-groff" data-lang="groff">kylin.query.pushdown.runner-class-name=org.apache.kylin.query.adhoc.PushDownRunnerJdbcImpl +kylin.query.pushdown.jdbc.url=jdbc:hive2://hiveserver:10000/default +kylin.query.pushdown.jdbc.driver=org.apache.hive.jdbc.HiveDriver +kylin.query.pushdown.jdbc.username=hive +kylin.query.pushdown.jdbc.password= +kylin.query.pushdown.jdbc.pool-max-total=8 +kylin.query.pushdown.jdbc.pool-max-idle=8 +kylin.query.pushdown.jdbc.pool-min-idle=0</code></pre></div> + +<ol> + <li>Restart Kylin</li> +</ol> + +<h3 id="do-query-pushdown">Do Query Pushdown</h3> + +<p>After Query Pushdown is configured, user is allowed to do flexible queries to the imported tables without avaible cubes.</p> + +<p><img src="/images/tutorial/2.1/push_down/push_down_1.png" alt="" /></p> + +<p>If query is answered by backup engine, <code class="highlighter-rouge">Is Query Push-Down</code> is set to <code class="highlighter-rouge">true</code> in the log.</p> + +<p><img src="/images/tutorial/2.1/push_down/push_down_2.png" alt="" /><br /> +#</p> + + </article> + </div> + </div> + </div> + </div> + </div> + <!-- +* Licensed to the Apache Software Foundation (ASF) under one +* or more contributor license agreements. 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class="list-group-item-lay pjaxlink" id="navlist">Quick Start with Sample Cube</a></li> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + <li><a href="/docs23/tutorial/web.html" class="list-group-item-lay pjaxlink" id="navlist">Web Interface</a></li> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + <li><a href="/docs23/tutorial/create_cube.html" class="list-group-item-lay pjaxlink" id="navlist">Cube Wizard</a></li> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + <li><a href="/docs23/tutorial/cube_build_job.html" class="list-group-item-lay pjaxlink" id="navlist">Cube Build and Job Monitoring</a></li> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + <li><a href="/docs23/tutorial/acl.html" class="list-group-item-lay pjaxlink" id="navlist">Cube Permission (v2.1.x)</a></li> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + <li><a href="/docs23/tutorial/project_level_acl.html" class="list-group-item-lay pjaxlink" id="navlist">Project Level ACL</a></li> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + <li><a href="/docs23/tutorial/cube_spark.html" class="list-group-item-lay pjaxlink" id="navlist">Build Cube with Spark</a></li> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + <li><a href="/docs23/tutorial/cube_build_performance.html" class="list-group-item-lay pjaxlink" id="navlist">Cube Build Tuning</a></li> + + + + + + + + + <ul> + </div> +</div> + + <li><a href="#titleIntegration" data-toggle="collapse" id="navtitle">Integration</a></li> + <div class="collapse in"> + <div class="list-group" id="list1"> + <ul style="list-style-type:disc"> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + <li><a href="/docs23/tutorial/odbc.html" class="list-group-item-lay pjaxlink" id="navlist">Kylin ODBC Driver</a></li> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + <li><a href="/docs23/tutorial/tableau.html" class="list-group-item-lay pjaxlink" id="navlist">Tableau 8</a></li> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + <li><a href="/docs23/tutorial/tableau_91.html" class="list-group-item-lay pjaxlink" id="navlist">Tableau 9</a></li> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + <li><a href="/docs23/tutorial/powerbi.html" class="list-group-item-lay pjaxlink" id="navlist">MS Excel and Power BI</a></li> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + <li><a href="/docs23/tutorial/microstrategy.html" class="list-group-item-lay pjaxlink" id="navlist">MicroStrategy</a></li> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + <li><a href="/docs23/tutorial/squirrel.html" class="list-group-item-lay pjaxlink" id="navlist">SQuirreL</a></li> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + <li><a href="/docs23/tutorial/flink.html" class="list-group-item-lay pjaxlink" id="navlist">Apache Flink</a></li> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + <li><a href="/docs23/tutorial/hue.html" class="list-group-item-lay pjaxlink" id="navlist">Apache Hue</a></li> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + <li><a href="/docs23/tutorial/Qlik.html" class="list-group-item-lay pjaxlink" id="navlist">Qlik Sense</a></li> + + + + + + + + + <ul> + </div> +</div> + + <li><a href="#titleHow To" data-toggle="collapse" id="navtitle">How To</a></li> + <div class="collapse in"> + <div class="list-group" id="list1"> + <ul style="list-style-type:disc"> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + <li><a href="/docs23/howto/howto_use_restapi.html" class="list-group-item-lay pjaxlink" id="navlist">Use RESTful API</a></li> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + <li><a href="/docs23/howto/howto_build_cube_with_restapi.html" class="list-group-item-lay pjaxlink" id="navlist">Build Cube with API</a></li> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + <li><a href="/docs23/howto/howto_optimize_cubes.html" class="list-group-item-lay pjaxlink" id="navlist">Optimize Cube Design</a></li> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + <li><a href="/docs23/howto/howto_optimize_build.html" class="list-group-item-lay pjaxlink" id="navlist">Optimize Cube Build</a></li> + + + + + + + + + + + + + + + + + + + + + + + + + + + + <li><a href="/docs23/howto/howto_backup_metadata.html" class="list-group-item-lay pjaxlink" id="navlist">Backup Metadata</a></li> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + <li><a href="/docs23/howto/howto_cleanup_storage.html" class="list-group-item-lay pjaxlink" id="navlist">Cleanup Storage</a></li> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + <li><a href="/docs23/howto/howto_jdbc.html" class="list-group-item-lay pjaxlink" id="navlist">Kylin JDBC Driver</a></li> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + <li><a href="/docs23/howto/howto_upgrade.html" class="list-group-item-lay pjaxlink" id="navlist">Upgrade From Old Versions</a></li> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + <li><a href="/docs23/howto/howto_ldap_and_sso.html" class="list-group-item-lay pjaxlink" id="navlist">Secure with LDAP and SSO</a></li> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + <li><a href="/docs23/howto/howto_use_beeline.html" class="list-group-item-lay pjaxlink" id="navlist">Use Beeline for Hive</a></li> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + <li><a href="/docs23/howto/howto_update_coprocessor.html" class="list-group-item-lay pjaxlink" id="navlist">Update Coprocessor</a></li> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + <li><a href="/docs23/howto/howto_install_ranger_kylin_plugin.html" class="list-group-item-lay pjaxlink" id="navlist">The Ranger Kylin Plugin Installation Guide</a></li> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + <li><a href="/docs23/howto/howto_enable_zookeeper_acl.html" class="list-group-item-lay pjaxlink" id="navlist">Enable zookeeper acl</a></li> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + <li><a href="/docs23/howto/howto_setup_systemcube.html" class="list-group-item-lay pjaxlink" id="navlist">Set Up System Cube</a></li> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + <li><a href="/docs23/howto/howto_use_cube_planner.html" class="list-group-item-lay pjaxlink" id="navlist">Use Cube Planner</a></li> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + <li><a href="/docs23/howto/howto_use_dashboard.html" class="list-group-item-lay pjaxlink" id="navlist">Use Dashboard</a></li> + + + + + + + + + <ul> + </div> +</div> + + + </ul> +</div> + + <div class="col-md-9 col-lg-9 col-xs-14 aside2"> + <div id="container"> + <div id="pjax"> + <h1 class="post-title">SQuirreL</h1> + + + <article class="post-content" > + <h3 id="introduction">Introduction</h3> + +<p><a href="http://www.squirrelsql.org/";>SQuirreL SQL</a> is a multi platform Universal SQL Client (GNU License). You can use it to access HBase + Phoenix and Hive. This document introduces how to connect to Kylin from SQuirreL.</p> + +<h3 id="used-software">Used Software</h3> + +<ul> + <li><a href="/download/">Kylin v1.6.0</a> & ODBC 1.6</li> + <li><a href="http://www.squirrelsql.org/";>SquirreL SQL v3.7.1</a></li> +</ul> + +<h2 id="pre-requisites">Pre-requisites</h2> + +<ul> + <li> + <p>Find the Kylin JDBC driver jar<br /> +From Kylin Download, Choose Binary and the <strong>correct version of Kylin and HBase</strong><br /> + Download & Unpack: in <strong>./lib</strong>: <br /> +<img src="/images/SQuirreL-Tutorial/01.png" alt="" /></p> + </li> + <li> + <p>Need an instance of Kylin, with a Cube; the <a href="kylin_sample.html">Sample Cube</a> is enough.</p> + + <p><img src="/images/SQuirreL-Tutorial/02.png" alt="" /></p> + </li> + <li> + <p><a href="http://www.squirrelsql.org/#installation";>Dowload and install SquirreL</a></p> + </li> +</ul> + +<h2 id="add-kylin-jdbc-driver">Add Kylin JDBC Driver</h2> + +<p>On left menu: <img src="/images/SQuirreL-Tutorial/03.png" alt="alt text" /> ><img src="/images/SQuirreL-Tutorial/04.png" alt="alt text" /> > <img src="/images/SQuirreL-Tutorial/05.png" alt="alt text" /> > <img src="/images/SQuirreL-Tutorial/06.png" alt="alt text" /></p> + +<p>And locate the JAR: <img src="/images/SQuirreL-Tutorial/07.png" alt="alt text" /></p> + +<p>Configure this parameters:</p> + +<ul> + <li>Put a name: <img src="/images/SQuirreL-Tutorial/08.png" alt="alt text" /></li> + <li> + <p>Example URL <img src="/images/SQuirreL-Tutorial/09.png" alt="alt text" /></p> + + <p>jdbc:kylin://172.17.0.2:7070/learn_kylin</p> + </li> + <li>Put Class Name: <img src="/images/SQuirreL-Tutorial/10.png" alt="alt text" /><br /> + Tip: If auto complete not work, type: org.apache.kylin.jdbc.Driver</li> +</ul> + +<p>Check the Driver List: <img src="/images/SQuirreL-Tutorial/11.png" alt="alt text" /></p> + +<h2 id="add-aliases">Add Aliases</h2> + +<p>On left menu: <img src="/images/SQuirreL-Tutorial/12.png" alt="alt text" /> > <img src="/images/SQuirreL-Tutorial/13.png" alt="alt text" /> : (Login pass by default: ADMIN / KYLIN)</p> + +<p><img src="/images/SQuirreL-Tutorial/14.png" alt="" /></p> + +<p>And automatically launch conection:</p> + +<p><img src="/images/SQuirreL-Tutorial/15.png" alt="" /></p> + +<h2 id="connect-and-execute">Connect and Execute</h2> + +<p>The startup window when connected:</p> + +<p><img src="/images/SQuirreL-Tutorial/16.png" alt="" /></p> + +<p>Choose Tab: and write a query (whe use Kylinâs example cube):</p> + +<p><img src="/images/SQuirreL-Tutorial/17.png" alt="" /></p> + +<div class="highlighter-rouge"><pre class="highlight"><code>select part_dt, sum(price) as total_selled, count(distinct seller_id) as sellers +from kylin_sales group by part_dt +order by part_dt +</code></pre> +</div> + +<p>Execute With: <img src="/images/SQuirreL-Tutorial/18.png" alt="alt text" /></p> + +<p><img src="/images/SQuirreL-Tutorial/19.png" alt="" /></p> + +<p>And itâs works!</p> + +<h2 id="tips">Tips:</h2> + +<p>SquirreL isnât the most stable SQL Client, but it is very flexible and get a lot of info; It can be used for PoC and checking connectivity issues.</p> + +<p>List of tables:</p> + +<p><img src="/images/SQuirreL-Tutorial/21.png" alt="" /></p> + +<p>List of columns of table:</p> + +<p><img src="/images/SQuirreL-Tutorial/22.png" alt="" /></p> + +<p>List of column of Querie:</p> + +<p><img src="/images/SQuirreL-Tutorial/23.png" alt="" /></p> + +<p>Export the result of queries:</p> + +<p><img src="/images/SQuirreL-Tutorial/24.png" alt="" /></p> + +<p>Info about time query execution:</p> + +<p><img src="/images/SQuirreL-Tutorial/25.png" alt="" /></p> + + </article> + </div> + </div> + </div> + </div> + </div> + <!-- +* Licensed to the Apache Software Foundation (ASF) under one +* or more contributor license agreements. 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