Added: kylin/site/docs23/gettingstarted/best_practices.html URL: http://svn.apache.org/viewvc/kylin/site/docs23/gettingstarted/best_practices.html?rev=1822508&view=auto ============================================================================== --- kylin/site/docs23/gettingstarted/best_practices.html (added) +++ kylin/site/docs23/gettingstarted/best_practices.html Mon Jan 29 14:05:18 2018 @@ -0,0 +1,4164 @@ +<!-- +* 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/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">Community Best Practices</h1> + + + <article class="post-content" > + <p>List of articles about Kylin best practices contributed by community. Some of them are from Chinese community. Many thanks!</p> + +<ul> + <li> + <p><a href="http://www.infoq.com/cn/articles/practis-of-apache-kylin-in-baidu-map";>Apache Kylinå¨ç¾åº¦å°å¾çå®è·µ</a></p> + </li> + <li> + <p><a href="http://www.bitstech.net/2016/01/04/kylin-olap/";>Apache Kylin 大æ°æ®æ¶ä»£çOLAPå©å¨</a>(ç½ææ¡ä¾)</p> + </li> + <li> + <p><a href="http://www.csdn.net/article/2015-11-27/2826343";>Apache Kylinå¨äºæµ·çå®è·µ</a>(京ä¸æ¡ä¾)</p> + </li> + <li> + <p><a href="http://tech.youzan.com/kylin-mondrian-saiku/";>Kylin, Mondrian, Saikuç³»ç»çæ´å</a>(æèµæ¡ä¾)</p> + </li> + <li> + <p><a href="https://www.inovex.de/fileadmin/files/Vortraege/2015/big-data-mdx-with-mondrian-and-apache-kylin-sebastien-jelsch-pcm-11-2015.pdf";>Big Data MDX with Mondrian and Apache Kylin</a></p> + </li> + <li> + <p><a href="https://github.com/mustangore/kylin-mondrian-interaction";>Kylin and Mondrain Interaction</a> (Thanks to <a href="https://github.com/mustangore";>mustangore</a>)</p> + </li> + <li> + <p><a href="https://github.com/albertoRamon/Kylin/tree/master/KylinWithTableau";>Kylin And Tableau Tutorial</a> (Thanks to <a href="https://www.linkedin.com/in/alberto-ramon-portoles-a02b523b";>Ramón Portolés, Alberto</a>)</p> + </li> + <li> + <p><a href="https://github.com/albertoRamon/Kylin/tree/master/KylinWithQlik";>Kylin and Qlik Integration</a> (Thanks to <a href="https://www.linkedin.com/in/alberto-ramon-portoles-a02b523b";>Ramón Portolés, Alberto</a>)</p> + </li> + <li> + <p><a href="https://github.com/albertoRamon/Kylin/tree/master/KylinWithHue";>How to use Hue with Kylin</a> (Thanks to <a href="https://www.linkedin.com/in/alberto-ramon-portoles-a02b523b";>Ramón Portolés, Alberto</a>)</p> + </li> +</ul> + + </article> + </div> + </div> + </div> + </div> + </div> + <!-- +* 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. 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. +--> + +<footer id="underfooter"> + <div class="container"> + <div class="row"> + <div class="col-md-12 widget"> + <div class="widget-body" style="text-align:center"> + <a href="http://www.apache.org";> + <img id="asf-logo" alt="Apache Software Foundation" src="/assets/images/feather-small.gif"> + </a> + + <div> + The contents of this website are © 2015 Apache Software Foundation under the terms of the <a + href="http://www.apache.org/licenses/LICENSE-2.0";> Apache License v2 </a>. 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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> + + + + + + + + + + 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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">Technical Concepts</h1> + + + <article class="post-content" > + <p>Here are some basic technical concepts used in Apache Kylin, please check them for your reference.<br /> +For terminology in domain, please refer to: <a href="terminology.html">Terminology</a></p> + +<h2 id="cube">CUBE</h2> +<ul> + <li> + <p><strong>Table</strong> - This is definition of hive tables as source of cubes, which must be synced before building cubes.<br /> +<img src="/images/docs/concepts/DataSource.png" alt="" /></p> + </li> + <li> + <p><strong>Data Model</strong> - This describes a <a href="https://en.wikipedia.org/wiki/Star_schema";>STAR SCHEMA</a> data model, which defines fact/lookup tables and filter condition.<br /> +<img src="/images/docs/concepts/DataModel.png" alt="" /></p> + </li> + <li> + <p><strong>Cube Descriptor</strong> - This describes definition and settings for a cube instance, defining which data model to use, what dimensions and measures to have, how to partition to segments and how to handle auto-merge etc.<br /> +<img src="/images/docs/concepts/CubeDesc.png" alt="" /></p> + </li> + <li> + <p><strong>Cube Instance</strong> - This is instance of cube, built from one cube descriptor, and consist of one or more cube segments according partition settings.<br /> +<img src="/images/docs/concepts/CubeInstance.png" alt="" /></p> + </li> + <li> + <p><strong>Partition</strong> - User can define a DATE/STRING column as partition column on cube descriptor, to separate one cube into several segments with different date periods.<br /> +<img src="/images/docs/concepts/Partition.png" alt="" /></p> + </li> + <li> + <p><strong>Cube Segment</strong> - This is actual carrier of cube data, and maps to a HTable in HBase. One building job creates one new segment for the cube instance. Once data change on specified data period, we can refresh related segments to avoid rebuilding whole cube.<br /> +<img src="/images/docs/concepts/CubeSegment.png" alt="" /></p> + </li> + <li> + <p><strong>Aggregation Group</strong> - Each aggregation group is subset of dimensions, and build cuboid with combinations inside. It aims at pruning for optimization.<br /> +<img src="/images/docs/concepts/AggregationGroup.png" alt="" /></p> + </li> +</ul> + +<h2 id="dimension--measure">DIMENSION & MEASURE</h2> +<ul> + <li><strong>Mandotary</strong> - This dimension type is used for cuboid pruning, if a dimension is specified as âmandatoryâ, then those combinations without such dimension are pruned.</li> + <li><strong>Hierarchy</strong> - This dimension type is used for cuboid pruning, if dimension A,B,C forms a âhierarchyâ relation, then only combinations with A, AB or ABC shall be remained.</li> + <li> + <p><strong>Derived</strong> - On lookup tables, some dimensions could be generated from its PK, so thereâs specific mapping between them and FK from fact table. So those dimensions are DERIVED and donât participate in cuboid generation.<br /> +<img src="/images/docs/concepts/Dimension.png" alt="" /></p> + </li> + <li><strong>Count Distinct(HyperLogLog)</strong> - Immediate COUNT DISTINCT is hard to calculate, a approximate algorithm - <a href="https://en.wikipedia.org/wiki/HyperLogLog";>HyperLogLog</a> is introduced, and keep error rate in a lower level.</li> + <li><strong>Count Distinct(Precise)</strong> - Precise COUNT DISTINCT will be pre-calculated basing on RoaringBitmap, currently only int or bigint are supported.</li> + <li><strong>Top N</strong> - For example, with this measure type, user can easily get specified numbers of top sellers/buyers etc. <br /> +<img src="/images/docs/concepts/Measure.png" alt="" /></li> +</ul> + +<h2 id="cube-actions">CUBE ACTIONS</h2> +<ul> + <li><strong>BUILD</strong> - Given an interval of partition column, this action is to build a new cube segment.</li> + <li><strong>REFRESH</strong> - This action will rebuilt cube segment in some partition period, which is used in case of source table increasing.</li> + <li><strong>MERGE</strong> - This action will merge multiple continuous cube segments into single one. This can be automated with auto-merge settings in cube descriptor.</li> + <li><strong>PURGE</strong> - Clear segments under a cube instance. This will only update metadata, and wonât delete cube data from HBase.<br /> +<img src="/images/docs/concepts/CubeAction.png" alt="" /></li> +</ul> + +<h2 id="job-status">JOB STATUS</h2> +<ul> + <li><strong>NEW</strong> - This denotes one job has been just created.</li> + <li><strong>PENDING</strong> - This denotes one job is paused by job scheduler and waiting for resources.</li> + <li><strong>RUNNING</strong> - This denotes one job is running in progress.</li> + <li><strong>FINISHED</strong> - This denotes one job is successfully finished.</li> + <li><strong>ERROR</strong> - This denotes one job is aborted with errors.</li> + <li><strong>DISCARDED</strong> - This denotes one job is cancelled by end users.<br /> +<img src="/images/docs/concepts/Job.png" alt="" /></li> +</ul> + +<h2 id="job-action">JOB ACTION</h2> +<ul> + <li><strong>RESUME</strong> - Once a job in ERROR status, this action will try to restore it from latest successful point.</li> + <li><strong>DISCARD</strong> - No matter status of a job is, user can end it and release resources with DISCARD action.<br /> +<img src="/images/docs/concepts/JobAction.png" alt="" /></li> +</ul> + + </article> + </div> + </div> + </div> + </div> + </div> + <!-- +* 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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