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Posted to commits@kylin.apache.org by li...@apache.org on 2017/03/25 14:02:03 UTC
svn commit: r1788666 [8/25] - in /kylin/site: ./ about/ blog/
blog/2015/01/25/introduce-data-model/
blog/2015/06/10/release-v0.7.1-incubating/
blog/2015/08/13/kylin-dictionary/ blog/2015/08/15/fast-cubing/
blog/2015/09/06/release-v1.0-incubating/ blog/...
Added: kylin/site/docs20/gettingstarted/concepts.html
URL: http://svn.apache.org/viewvc/kylin/site/docs20/gettingstarted/concepts.html?rev=1788666&view=auto
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--- kylin/site/docs20/gettingstarted/concepts.html (added)
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+<!--
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+ <li><a href="#titleTutorial" data-toggle="collapse" id="navtitle">Tutorial</a></li>
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+ <div class="list-group" id="list1">
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+ <li><a href="/docs20/tutorial/odbc.html" class="list-group-item-lay pjaxlink" id="navlist">Kylin ODBC Driver</a></li>
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+ <li><a href="/docs20/tutorial/squirrel.html" class="list-group-item-lay pjaxlink" id="navlist">Connect from SQuirreL</a></li>
+
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+ <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">
+
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+ <li><a href="/docs20/howto/howto_build_cube_with_restapi.html" class="list-group-item-lay pjaxlink" id="navlist">Build Cube with RESTful API</a></li>
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+ <li><a href="/docs20/howto/howto_optimize_cubes.html" class="list-group-item-lay pjaxlink" id="navlist">Optimize Cube Design</a></li>
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+ <li><a href="/docs20/howto/howto_use_beeline.html" class="list-group-item-lay pjaxlink" id="navlist">Use Beeline for Hive Commands</a></li>
+
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+ <li><a href="/docs20/howto/howto_update_coprocessor.html" class="list-group-item-lay pjaxlink" id="navlist">How to Update HBase Coprocessor</a></li>
+
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+ <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 “mandatory”, 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 “hierarchy” 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 there’s specific mapping between them and FK from fact table. So those dimensions are DERIVED and don’t 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 won’t 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. 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>. Apache Kylin and
+ its logo are trademarks of the Apache Software Foundation.
+ </div>
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+ <!-- /row of widgets -->
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+</html>
Added: kylin/site/docs20/gettingstarted/events.html
URL: http://svn.apache.org/viewvc/kylin/site/docs20/gettingstarted/events.html?rev=1788666&view=auto
==============================================================================
--- kylin/site/docs20/gettingstarted/events.html (added)
+++ kylin/site/docs20/gettingstarted/events.html Sat Mar 25 14:01:59 2017
@@ -0,0 +1,2553 @@
+<!--
+* 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.
+-->
+
+<!doctype html>
+<html>
+ <!--
+* 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.
+-->
+
+<head>
+ <meta charset="utf-8">
+ <meta http-equiv="X-UA-Compatible" content="IE=edge">
+ <meta name="viewport" content="width=device-width, initial-scale=1">
+
+ <title>Apache Kylin | Events and Conferences</title>
+ <meta name="description" content="Apache Kylin Home">
+ <meta name="author" content="Apache Kylin">
+ <link rel="shortcut icon" href="fav.png" type="image/png">
+
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+
+<link rel="stylesheet" href="/assets/css/animate.css">
+<!-- Bootstrap -->
+<link rel="stylesheet" href="/assets/css/bootstrap.min.css">
+
+<!-- Fonts -->
+<!-- <link rel="stylesheet" href="http://fonts.googleapis.com/css?family=Alice|Open+Sans:400,300,700"> -->
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+<link rel="stylesheet" href="/assets/css/font-awesome.min.css">
+
+ <!-- Custom styles -->
+ <link rel="stylesheet" href="/assets/css/styles.css">
+ <link rel="stylesheet" href="/assets/css/docs.css">
+ <link rel="stylesheet" href="/assets/css/pygments.css">
+
+ <link rel="canonical" href="http://kylin.apache.org/docs20/gettingstarted/events.html">
+ <link rel="alternate" type="application/rss+xml" title="Apache Kylin" href="http://kylin.apache.org/feed.xml" />
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+<script type="text/javascript" src="/assets/js/nnav.js"></script> </script>
+</head>
+
+ <body>
+ <!--
+* 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.
+-->
+
+<header id="header" >
+
+ <div id="head" class="parallax" parallax-speed="3" >
+ <div id="logo" class="text-center"> <img class="img-circle" id="circlelogo" src="/assets/images/kylin_logo.jpg"> <span class="title" >Apache Kylin™</span> <span class="tagline">Extreme OLAP Engine for Big Data</span>
+ </div>
+ </div>
+
+
+ <!-- Main Menu -->
+ <nav class="navbar navbar-default" role="navigation" id="nav-wrapper">
+ <div class="container-fluid" id="nav">
+ <!--
+ <img class="img-circle" width="40px" height="40px" id="circlelogo" src="/assets/images/kylin_logo.jpg">
+ -->
+ <!-- Brand and toggle get grouped for better mobile display -->
+ <div class="navbar-header">
+ <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1">
+ <span class="sr-only">Toggle navigation</span>
+ <span class="icon-bar"></span>
+ <span class="icon-bar"></span>
+ <span class="icon-bar"></span>
+ </button>
+
+ </div>
+
+ <!-- Collect the nav links, forms, and other content for toggling -->
+ <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
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+ <li><a href="/docs20/tutorial/squirrel.html" class="list-group-item-lay pjaxlink" id="navlist">Connect from SQuirreL</a></li>
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+ <li><a href="/docs20/howto/howto_build_cube_with_restapi.html" class="list-group-item-lay pjaxlink" id="navlist">Build Cube with RESTful API</a></li>
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+ <li><a href="/docs20/howto/howto_use_restapi_in_js.html" class="list-group-item-lay pjaxlink" id="navlist">Use RESTful API in Javascript</a></li>
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+ <li><a href="/docs20/howto/howto_optimize_build.html" class="list-group-item-lay pjaxlink" id="navlist">Optimize Cube Build</a></li>
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+ <li><a href="/docs20/howto/howto_backup_metadata.html" class="list-group-item-lay pjaxlink" id="navlist">Backup Metadata</a></li>
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+ <li><a href="/docs20/howto/howto_cleanup_storage.html" class="list-group-item-lay pjaxlink" id="navlist">Cleanup Storage (HDFS & HBase)</a></li>
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+ <li><a href="/docs20/howto/howto_jdbc.html" class="list-group-item-lay pjaxlink" id="navlist">Use JDBC Driver</a></li>
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+ <li><a href="/docs20/howto/howto_upgrade.html" class="list-group-item-lay pjaxlink" id="navlist">Upgrade From Old Versions</a></li>
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+ <li><a href="/docs20/howto/howto_use_beeline.html" class="list-group-item-lay pjaxlink" id="navlist">Use Beeline for Hive Commands</a></li>
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+ <li><a href="/docs20/howto/howto_update_coprocessor.html" class="list-group-item-lay pjaxlink" id="navlist">How to Update HBase Coprocessor</a></li>
+
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+ <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">Events and Conferences</h1>
+
+
+ <article class="post-content" >
+ <p><strong>Conferences</strong></p>
+
+<ul>
+ <li><a href="https://www.youtube.com/watch?v=n74zvLmIgF0">The Evolution of Apache Kylin: Realtime and Plugin Architecture in Kylin</a>(<a href="http://www.slideshare.net/YangLi43/apache-kylin-15-updates">slides</a>) by <a href="https://github.com/liyang-gmt8">Li Yang</a>, at <a href="http://hadoopsummit.org/dublin/agenda/">Hadoop Summit 2016 Dublin</a>, Ireland, 2016-04-14</li>
+ <li><a href="http://www.chinahadoop.com/2015/July/Shanghai/agenda.php">Apache Kylin - Balance Between Space and Time</a> (<a href="http://www.slideshare.net/qhzhou/apache-kylin-china-hadoop-summit-2015-shanghai">slides</a>) by <a href="https://github.com/qhzhou">Qianhao Zhou</a>, at Hadoop Summit 2015 in Shanghai, China, 2015-07-24</li>
+ <li><a href="https://www.youtube.com/watch?v=jgvZSFaXPgI">Apache Kylin - Balance Between Space and Time</a>, <a href="http://www.slideshare.net/DebashisSaha/apache-kylin-balance-between-space-and-time-hadop-summit-2015">slides</a> (<a href="https://www.youtube.com/watch?v=jgvZSFaXPgI">video</a>, <a href="http://www.slideshare.net/DebashisSaha/apache-kylin-balance-between-space-and-time-hadop-summit-2015">slides</a>) by <a href="https://twitter.com/debashis_saha">Debashis Saha</a> & <a href="https://twitter.com/lukehq">Luke Han</a>, at Hadoop Summit 2015 in San Jose, US, 2015-06-09</li>
+ <li><a href="https://vimeo.com/128152444">HBaseCon 2015: Apache Kylin; Extreme OLAP Engine for Hadoop</a> (<a href="https://vimeo.com/128152444">video</a>, <a href="http://www.slideshare.net/HBaseCon/ecosystem-session-3b">slides</a>) by <a href="https://twitter.com/SeshuAd">Seshu Adunuthula</a> at HBaseCon 2015 in San Francisco, US, 2015-05-07</li>
+ <li><a href="http://strataconf.com/big-data-conference-uk-2015/public/schedule/detail/40029">Apache Kylin - Extreme OLAP Engine for Hadoop</a> (<a href="http://www.slideshare.net/lukehan/apache-kylin-extreme-olap-engine-for-big-data">slides</a>) by <a href="https://twitter.com/lukehq">Luke Han</a> & <a href="https://github.com/liyang-gmt8">Yang Li</a>, at Strata+Hadoop World in London, UK, 2015-05-06</li>
+ <li><a href="http://www.infoq.com/cn/presentations/open-source-journey-of-apache-kylin">Apache Kylin Open Source Journey</a> (<a href="http://www.slideshare.net/lukehan/apache-kylin-open-source-journey-for-qcon2015-beijing">slides</a>) by <a href="https://twitter.com/lukehq">Luke Han</a>, at QCon Beijing in Beijing, China, 2015-04-23</li>
+ <li><a href="http://cio.it168.com/a2015/0418/1721/000001721404.shtml">Apache Kylin - OLAP on Hadoop</a> by <a href="https://github.com/liyang-gmt8">Yang Li</a>, at Database Technology Conference China 2015 in Beijing, China, 2015-04-18</li>
+ <li><a href="https://www.youtube.com/watch?v=U0SbrVzuOe4">Apache Kylin – Cubes on Hadoop</a> (<a href="https://www.youtube.com/watch?v=U0SbrVzuOe4">video</a>, <a href="http://www.slideshare.net/Hadoop_Summit/apache-kylin-cubes-on-hadoop">slides</a>) by <a href="https://twitter.com/ted_dunning">Ted Dunning</a>, at Hadoop Summit 2015 Europe in Brussels, Belgium, 2015-04-16</li>
+ <li><a href="http://bdtc2014.hadooper.cn/m/zone/bdtc_2014/schedule3">Apache Kylin － Hadoop 上的大规模联机分析平台</a> (<a href="http://www.slideshare.net/lukehan/apache-kylin-big-data-technology-conference-2014-beijing-v2">slides</a>) by <a href="https://twitter.com/lukehq">Luke Han</a>, at Big Data Technology Conference China in Beijing, China, 2014-12-14</li>
+ <li><a href="http://v.csdn.hudong.com/s/article.html?arcid=15820707">Apache Kylin: OLAP Engine on Hadoop - Tech Deep Dive</a> (<a href="http://v.csdn.hudong.com/s/article.html?arcid=15820707">video</a>, <a href="http://www.slideshare.net/XuJiang2/kylin-hadoop-olap-engine">slides</a>) by <a href="https://www.linkedin.com/pub/xu-jiang/4/5a8/230">Jiang Xu</a>, at Shanghai Big Data Summit 2014 in Shanghai, China , 2014-10-25</li>
+</ul>
+
+<p><strong>Meetup</strong></p>
+
+<ul>
+ <li><a href="http://www.meetup.com/Cloud-at-ebayinc/events/218914395/">Apache Kylin Meetup @Bay Area</a>, in San Jose, US, 6:00PM - 7:30PM, Thursday, 2014-12-04</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.
+-->
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