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Posted to commits@kylin.apache.org by sh...@apache.org on 2016/06/12 03:19:22 UTC
svn commit: r1747951 - in /kylin/site: ./ blog/ blog/2016/06/
blog/2016/06/10/ blog/2016/06/10/diagnosis-tool/
blog/2016/06/10/standalone-hbase-cluster/ development/
Author: shaofengshi
Date: Sun Jun 12 03:19:22 2016
New Revision: 1747951
URL: http://svn.apache.org/viewvc?rev=1747951&view=rev
Log:
update blog
Added:
kylin/site/blog/2016/06/
kylin/site/blog/2016/06/10/
kylin/site/blog/2016/06/10/diagnosis-tool/
kylin/site/blog/2016/06/10/diagnosis-tool/index.html
kylin/site/blog/2016/06/10/standalone-hbase-cluster/
kylin/site/blog/2016/06/10/standalone-hbase-cluster/index.html
Modified:
kylin/site/blog/index.html
kylin/site/development/howto_release.html
kylin/site/feed.xml
Added: kylin/site/blog/2016/06/10/diagnosis-tool/index.html
URL: http://svn.apache.org/viewvc/kylin/site/blog/2016/06/10/diagnosis-tool/index.html?rev=1747951&view=auto
==============================================================================
--- kylin/site/blog/2016/06/10/diagnosis-tool/index.html (added)
+++ kylin/site/blog/2016/06/10/diagnosis-tool/index.html Sun Jun 12 03:19:22 2016
@@ -0,0 +1,269 @@
+<!--
+* 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
+*
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+*
+* Unless required by applicable law or agreed to in writing, software
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+ <meta name="description" content="Introduction">
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+* "License"); you may not use this file except in compliance
+* with the License. You may obtain a copy of the License at
+*
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+*
+* 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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+ </ul>
+ </div><!-- /.navbar-collapse -->
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+</nav>
+ </header>
+
+ <div class="page-content">
+ <header style=" padding:2em 0 0 0">
+ <div class="container" >
+ <h4 class="section-title"><span>Apache Kylin™ Technical Blog</span></h4>
+ </div>
+ </div>
+
+ <div class="container">
+ <div>
+ <article class="post-content" >
+ <!--
+* 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.
+-->
+
+<div class="post" style=" padding:2em 4em 4em 4em">
+
+ <header class="post-header">
+ <h1 class="post-title">Diagnosis Tool Introduction</h1>
+ <p class="post-meta" >Jun 10, 2016 • Dong Li</p>
+ </header>
+
+ <article class="post-content" >
+ <h2 id="introduction">Introduction</h2>
+
+<p>Since Apache Kylin 1.5.2, there’s a diagnosis tool on Web UI, which aims to help Kylin admins to extract diagnostic information for fault analysis and performance tunning.</p>
+
+<h3 id="project-diagnosis">Project Diagnosis</h3>
+<p>When user met issues about query failure, slow queries, metadata management and so on, he could click the ‘Diagnosis’ button on System tabpage.</p>
+
+<p><img src="/images/blog/diag1.png" alt="" /></p>
+
+<p>Several seconds later, a diagnosis package will be avaliable to download from web browser, which contains kylin logs, metadata, configuration etc. Users could extract the package and analyze. Also when users asking help from experts in his team, attaching the package would raise the communication effeiciency.</p>
+
+<h3 id="job-diagnosis">Job Diagnosis</h3>
+<p>When user met issues about jobs, such as cubing failed, slow job and so on, he could click the ‘Diagnosis’ button in the Job’s Action menu.</p>
+
+<p><img src="/images/blog/diag2.png" alt="" /></p>
+
+<p>The same with Project Diagnosis, a diagnosis package will be downloaded from web browser, which contains related logs, MR job info, metadata etc. User could use it for analysis or ask for help.</p>
+
+ </article>
+
+</div>
+
+
+
+
+
+ </article>
+ </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.
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+-->
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Added: kylin/site/blog/2016/06/10/standalone-hbase-cluster/index.html
URL: http://svn.apache.org/viewvc/kylin/site/blog/2016/06/10/standalone-hbase-cluster/index.html?rev=1747951&view=auto
==============================================================================
--- kylin/site/blog/2016/06/10/standalone-hbase-cluster/index.html (added)
+++ kylin/site/blog/2016/06/10/standalone-hbase-cluster/index.html Sun Jun 12 03:19:22 2016
@@ -0,0 +1,281 @@
+<!--
+* 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.
+-->
+
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+ <meta charset="utf-8">
+ <meta http-equiv="X-UA-Compatible" content="IE=edge">
+ <meta name="viewport" content="width=device-width, initial-scale=1">
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+ <link rel="canonical" href="http://kylin.apache.org/blog/2016/06/10/standalone-hbase-cluster/">
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+
+ <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" >
+
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+ <div class="page-content">
+ <header style=" padding:2em 0 0 0">
+ <div class="container" >
+ <h4 class="section-title"><span>Apache Kylin™ Technical Blog</span></h4>
+ </div>
+ </div>
+
+ <div class="container">
+ <div>
+ <article class="post-content" >
+ <!--
+* 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.
+-->
+
+<div class="post" style=" padding:2em 4em 4em 4em">
+
+ <header class="post-header">
+ <h1 class="post-title">Deploy Apache Kylin with Standalone HBase Cluster</h1>
+ <p class="post-meta" >Jun 10, 2016 • Yerui Sun</p>
+ </header>
+
+ <article class="post-content" >
+ <h2 id="introduction">Introduction</h2>
+
+<p>Apache Kylin mainly use HBase to storage cube data. The performance of HBase cluster impacts on the query performance of Kylin directly. In common scenario, HBase is deployed with MR/Hive on one HDFS cluster, which makes that the resouces HBase used is limited, and the MR job affects the performance of HBase. These problems can be resolved with standalone HBase cluster, and Apache Kylin has support this deploy mode for now.</p>
+
+<h2 id="enviroment-requirements">Enviroment Requirements</h2>
+<p>To enable standalone HBase cluster supporting, check the basic enviroments at first:<br />
+ - Deploy the main cluster and hbase cluster, make sure both works normally<br />
+ - Make sure Kylin Server can access both clusters using hdfs shell with fully qualifiered path<br />
+ - Make sure Kylin Server can submit MR job to main cluster, and can use hive shell to access data warehouse, make sure the configurations of hadoop and hive points to main cluster<br />
+ - Make sure Kylin Server can access hbase cluster using hbase shell, make sure the configuration of hbase points to hbase cluster<br />
+ - Make sure the job on main cluster can access hbase cluster directly</p>
+
+<h2 id="configurations">Configurations</h2>
+<p>Update the config <code class="highlighter-rouge">kylin.hbase.cluster.fs</code> in kylin.properties, with a value as the Namenode address of HBase Cluster, like <code class="highlighter-rouge">hdfs://hbase-cluster-nn01.example.com:8020</code></p>
+
+<p>Notice that the value should keep consistent with the Namenode address of <code class="highlighter-rouge">root.dir</code> on HBase Master node, to ensure bulkload into hbase.</p>
+
+<h2 id="using-nn-ha">Using NN HA</h2>
+<p>HDFS Namenode HA improved the availablity of cluster significantly, and maybe the HBase cluster enabled it. Apache Kylin doesn’t support the HA perfectly for now, and here’s the workaroud:<br />
+ - Add all <code class="highlighter-rouge">dfs.nameservices</code> related configs of HBase Cluster into <code class="highlighter-rouge">hadoop/etc/hadoop/hdfs-site.xml</code> in Kylin Server, to make sure that can access HBase Cluster using hdfs shell with nameservice path<br />
+ - Add all <code class="highlighter-rouge">dfs.nameservices</code> related configs of both two clusters into <code class="highlighter-rouge">kylin_job_conf.xml</code>, to make sure that the MR job can access hbase cluster with nameservice path</p>
+
+<h2 id="troubleshooting">TroubleShooting</h2>
+<ul>
+ <li>UnknownHostException occurs during Cube Building<br />
+It usually occurs with HBase HA nameservice config, please refer the above section “Using NN HA”</li>
+ <li>HFile BulkLoading Stucks for long time<br />
+Check the regionserver log, there should be lots of error log, with WrongFS exception. Make sure the namenode address in <code class="highlighter-rouge">kylin.properites/kylin.hbase.cluster.fs</code> and hbase master node <code class="highlighter-rouge">hbase-site.xml/root.dir</code> is same</li>
+</ul>
+
+ </article>
+
+</div>
+
+
+
+
+
+ </article>
+ </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>
+
+ </div>
+ </div>
+ </div>
+ <!-- /row of widgets -->
+
+ </div>
+ <div></div>
+
+</footer>
+
+ <script src="/assets/js/jquery-1.9.1.min.js"></script>
+ <script src="/assets/js/bootstrap.min.js"></script>
+ <script src="/assets/js/main.js"></script>
+ </body>
+</html>
+
+
+
+
Modified: kylin/site/blog/index.html
URL: http://svn.apache.org/viewvc/kylin/site/blog/index.html?rev=1747951&r1=1747950&r2=1747951&view=diff
==============================================================================
--- kylin/site/blog/index.html (original)
+++ kylin/site/blog/index.html Sun Jun 12 03:19:22 2016
@@ -174,6 +174,18 @@
<li>
<h2 align="left" style="margin:0px">
+ <a class="post-link" href="/blog/2016/06/10/diagnosis-tool/">Diagnosis Tool Introduction</a></h2><div align="left" class="post-meta">posted: Jun 10, 2016</div>
+
+ </li>
+
+ <li>
+ <h2 align="left" style="margin:0px">
+ <a class="post-link" href="/blog/2016/06/10/standalone-hbase-cluster/">Deploy Apache Kylin with Standalone HBase Cluster</a></h2><div align="left" class="post-meta">posted: Jun 10, 2016</div>
+
+ </li>
+
+ <li>
+ <h2 align="left" style="margin:0px">
<a class="post-link" href="/blog/2016/05/29/raw-measure-in-kylin/">RAW measure in Apache Kylin</a></h2><div align="left" class="post-meta">posted: May 29, 2016</div>
</li>
Modified: kylin/site/development/howto_release.html
URL: http://svn.apache.org/viewvc/kylin/site/development/howto_release.html?rev=1747951&r1=1747950&r2=1747951&view=diff
==============================================================================
--- kylin/site/development/howto_release.html (original)
+++ kylin/site/development/howto_release.html Sun Jun 12 03:19:22 2016
@@ -908,9 +908,34 @@ svn commit -m <span class="s1">'Remove o
<li>Apache Kylin Dev mailing list: dev@kylin.apache.org</li>
<li>Apache Kylin User mailing list: user@kylin.apache.org</li>
<li>Apache Announce mailing list: announce@apache.org<br />
-Please notice to always use your Apache mail address to send this</li>
+Please notice to always use your Apache mail address to send this;</li>
</ul>
+<p>Here is a sample of announcement email (by studying Kafka’s):</p>
+
+<div class="highlight"><pre><code class="language-text" data-lang="text">The Apache Kylin team is pleased to announce the immediate availability of the 1.5.2.1 release.
+
+This is a bug fix release based on 1.5.2; All of the changes in this release can be found:
+https://kylin.apache.org/docs15/release_notes.html
+
+You can download the source release and binary packages from
+https://www.apache.org/dyn/closer.cgi?path=/kylin/apache-kylin-1.5.2.1/
+
+More information about the binary packages is on Kylin's download page https://kylin.apache.org/download/
+
+Apache Kylin is an open source Distributed Analytics Engine designed to provide SQL interface and multi-dimensional analysis (OLAP) on Hadoop, supporting extremely large datasets.
+
+Apache Kylin lets you query big Hive tables at sub-second latency in 3 simple steps:
+1. Identify a set of Hive tables in star schema.
+2. Build a cube from the Hive tables in an offline batch process.
+3. Query the Hive tables using SQL and get results in sub-seconds, via Rest API, ODBC, or JDBC.
+
+Thanks everyone who have contributed to the 1.5.2.1 release.
+
+We welcome your help and feedback. For more information on how to
+report problems, and to get involved, visit the project website at
+https://kylin.apache.org/</code></pre></div>
+
<h1 id="thanks">Thanks</h1>
<p>This guide drafted with reference from <a href="http://calcite.apache.org">Apache Calcite</a> Howto doc, Thank you very much.</p>
Modified: kylin/site/feed.xml
URL: http://svn.apache.org/viewvc/kylin/site/feed.xml?rev=1747951&r1=1747950&r2=1747951&view=diff
==============================================================================
--- kylin/site/feed.xml (original)
+++ kylin/site/feed.xml Sun Jun 12 03:19:22 2016
@@ -19,11 +19,81 @@
<description>Apache Kylin Home</description>
<link>http://kylin.apache.org/</link>
<atom:link href="http://kylin.apache.org/feed.xml" rel="self" type="application/rss+xml"/>
- <pubDate>Wed, 08 Jun 2016 01:20:10 -0700</pubDate>
- <lastBuildDate>Wed, 08 Jun 2016 01:20:10 -0700</lastBuildDate>
+ <pubDate>Sat, 11 Jun 2016 20:17:20 -0700</pubDate>
+ <lastBuildDate>Sat, 11 Jun 2016 20:17:20 -0700</lastBuildDate>
<generator>Jekyll v2.5.3</generator>
<item>
+ <title>Diagnosis Tool Introduction</title>
+ <description><h2 id="introduction">Introduction</h2>
+
+<p>Since Apache Kylin 1.5.2, there’s a diagnosis tool on Web UI, which aims to help Kylin admins to extract diagnostic information for fault analysis and performance tunning.</p>
+
+<h3 id="project-diagnosis">Project Diagnosis</h3>
+<p>When user met issues about query failure, slow queries, metadata management and so on, he could click the ‘Diagnosis’ button on System tabpage.</p>
+
+<p><img src="/images/blog/diag1.png" alt="" /></p>
+
+<p>Several seconds later, a diagnosis package will be avaliable to download from web browser, which contains kylin logs, metadata, configuration etc. Users could extract the package and analyze. Also when users asking help from experts in his team, attaching the package would raise the communication effeiciency.</p>
+
+<h3 id="job-diagnosis">Job Diagnosis</h3>
+<p>When user met issues about jobs, such as cubing failed, slow job and so on, he could click the ‘Diagnosis’ button in the Job’s Action menu.</p>
+
+<p><img src="/images/blog/diag2.png" alt="" /></p>
+
+<p>The same with Project Diagnosis, a diagnosis package will be downloaded from web browser, which contains related logs, MR job info, metadata etc. User could use it for analysis or ask for help.</p>
+</description>
+ <pubDate>Fri, 10 Jun 2016 16:20:00 -0700</pubDate>
+ <link>http://kylin.apache.org/blog/2016/06/10/diagnosis-tool/</link>
+ <guid isPermaLink="true">http://kylin.apache.org/blog/2016/06/10/diagnosis-tool/</guid>
+
+
+ <category>blog</category>
+
+ </item>
+
+ <item>
+ <title>Deploy Apache Kylin with Standalone HBase Cluster</title>
+ <description><h2 id="introduction">Introduction</h2>
+
+<p>Apache Kylin mainly use HBase to storage cube data. The performance of HBase cluster impacts on the query performance of Kylin directly. In common scenario, HBase is deployed with MR/Hive on one HDFS cluster, which makes that the resouces HBase used is limited, and the MR job affects the performance of HBase. These problems can be resolved with standalone HBase cluster, and Apache Kylin has support this deploy mode for now.</p>
+
+<h2 id="enviroment-requirements">Enviroment Requirements</h2>
+<p>To enable standalone HBase cluster supporting, check the basic enviroments at first:<br />
+ - Deploy the main cluster and hbase cluster, make sure both works normally<br />
+ - Make sure Kylin Server can access both clusters using hdfs shell with fully qualifiered path<br />
+ - Make sure Kylin Server can submit MR job to main cluster, and can use hive shell to access data warehouse, make sure the configurations of hadoop and hive points to main cluster<br />
+ - Make sure Kylin Server can access hbase cluster using hbase shell, make sure the configuration of hbase points to hbase cluster<br />
+ - Make sure the job on main cluster can access hbase cluster directly</p>
+
+<h2 id="configurations">Configurations</h2>
+<p>Update the config <code class="highlighter-rouge">kylin.hbase.cluster.fs</code> in kylin.properties, with a value as the Namenode address of HBase Cluster, like <code class="highlighter-rouge">hdfs://hbase-cluster-nn01.example.com:8020</code></p>
+
+<p>Notice that the value should keep consistent with the Namenode address of <code class="highlighter-rouge">root.dir</code> on HBase Master node, to ensure bulkload into hbase.</p>
+
+<h2 id="using-nn-ha">Using NN HA</h2>
+<p>HDFS Namenode HA improved the availablity of cluster significantly, and maybe the HBase cluster enabled it. Apache Kylin doesn’t support the HA perfectly for now, and here’s the workaroud:<br />
+ - Add all <code class="highlighter-rouge">dfs.nameservices</code> related configs of HBase Cluster into <code class="highlighter-rouge">hadoop/etc/hadoop/hdfs-site.xml</code> in Kylin Server, to make sure that can access HBase Cluster using hdfs shell with nameservice path<br />
+ - Add all <code class="highlighter-rouge">dfs.nameservices</code> related configs of both two clusters into <code class="highlighter-rouge">kylin_job_conf.xml</code>, to make sure that the MR job can access hbase cluster with nameservice path</p>
+
+<h2 id="troubleshooting">TroubleShooting</h2>
+<ul>
+ <li>UnknownHostException occurs during Cube Building<br />
+It usually occurs with HBase HA nameservice config, please refer the above section “Using NN HA”</li>
+ <li>HFile BulkLoading Stucks for long time<br />
+Check the regionserver log, there should be lots of error log, with WrongFS exception. Make sure the namenode address in <code class="highlighter-rouge">kylin.properites/kylin.hbase.cluster.fs</code> and hbase master node <code class="highlighter-rouge">hbase-site.xml/root.dir</code> is same</li>
+</ul>
+</description>
+ <pubDate>Fri, 10 Jun 2016 10:30:00 -0700</pubDate>
+ <link>http://kylin.apache.org/blog/2016/06/10/standalone-hbase-cluster/</link>
+ <guid isPermaLink="true">http://kylin.apache.org/blog/2016/06/10/standalone-hbase-cluster/</guid>
+
+
+ <category>blog</category>
+
+ </item>
+
+ <item>
<title>RAW measure in Apache Kylin</title>
<description><h2 id="introduction">Introduction</h2>
@@ -1106,200 +1176,6 @@ send mail to Apache Kylin dev mailing li
<category>blog</category>
-
- </item>
-
- <item>
- <title>Apache Kylin v1.3.0 Release Announcement</title>
- <description><p>The Apache Kylin community is pleased to announce the release of Apache Kylin v1.3.0, the second release after graduation.</p>
-
-<p>Apache Kylin is an open source Distributed Analytics Engine designed to provide SQL interface and multi-dimensional analysis (OLAP) on Hadoop supporting extremely large datasets, original contributed from eBay Inc.</p>
-
-<p>To download Apache Kylin v1.3.0 source code or binary package:<br />
-please visit the <a href="http://kylin.apache.org/download">download</a> page.</p>
-
-<p>This is a major release which brings more stable, robust and well management version, Apache Kylin community resolved about 57 issues including bug fixes, improvements, and few new features.</p>
-
-<h2 id="change-highlights">Change Highlights</h2>
-
-<p><strong>New Feature</strong></p>
-
-<ul>
- <li>Unload table from Kylin <a href="https://issues.apache.org/jira/browse/KYLIN-579">KYLIN-579</a></li>
- <li>Support Custom Aggregation Types <a href="https://issues.apache.org/jira/browse/KYLIN-976">KYLIN-976</a></li>
- <li>Support Hive client Beeline <a href="https://issues.apache.org/jira/browse/KYLIN-1054">KYLIN-1054</a></li>
- <li>Clone Cube Metadata <a href="https://issues.apache.org/jira/browse/KYLIN-1128">KYLIN-1128</a></li>
- <li>Support precise Count Distinct using bitmap (under limited conditions) <a href="https://issues.apache.org/jira/browse/KYLIN-1186">KYLIN-1186</a></li>
-</ul>
-
-<p><strong>Improvement</strong></p>
-
-<ul>
- <li>HiveColumnCardinalityJob should use configurations in conf/kylin_job_conf.xml <a href="https://issues.apache.org/jira/browse/KYLIN-955">KYLIN-955</a></li>
- <li>Support kerberos authentication while getting status from RM <a href="https://issues.apache.org/jira/browse/KYLIN-1014">KYLIN-1014</a></li>
- <li>Load hive tables with selecting mode <a href="https://issues.apache.org/jira/browse/KYLIN-1074">KYLIN-1074</a></li>
- <li>Hive dependencies should be add to tmpjars <a href="https://issues.apache.org/jira/browse/KYLIN-1082">KYLIN-1082</a></li>
- <li>make filtering input easier in creating cube <a href="https://issues.apache.org/jira/browse/KYLIN-1132">KYLIN-1132</a></li>
- <li>Enhance project level ACL <a href="https://issues.apache.org/jira/browse/KYLIN-1201">KYLIN-1201</a></li>
- <li>Add ‘Enable Cache’ button in System page <a href="https://issues.apache.org/jira/browse/KYLIN-1211">KYLIN-1211</a></li>
- <li>Cube ACL does not work <a href="https://issues.apache.org/jira/browse/KYLIN-1234">KYLIN-1234</a></li>
- <li>Fix link and typo in README <a href="https://issues.apache.org/jira/browse/KYLIN-1240">KYLIN-1240</a></li>
- <li>In query window, enable fast copy&amp;paste by double clicking tables/columns’ names. <a href="https://issues.apache.org/jira/browse/KYLIN-1244">KYLIN-1244</a></li>
- <li>get cubes API update - offset,limit not required <a href="https://issues.apache.org/jira/browse/KYLIN-1246">KYLIN-1246</a></li>
- <li>add toggle event for tree label <a href="https://issues.apache.org/jira/browse/KYLIN-1251">KYLIN-1251</a></li>
- <li>Change font/background color of job progress <a href="https://issues.apache.org/jira/browse/KYLIN-1259">KYLIN-1259</a></li>
- <li>Enhance DeployCoprocessorCLI to support Cube level filter <a href="https://issues.apache.org/jira/browse/KYLIN-1312">KYLIN-1312</a></li>
- <li>Kill underlying running hadoop job while discard a job <a href="https://issues.apache.org/jira/browse/KYLIN-1317">KYLIN-1317</a></li>
- <li>Improve performance of converting data to hfile <a href="https://issues.apache.org/jira/browse/KYLIN-1323">KYLIN-1323</a></li>
- <li>Kylin Entity Permission Control <a href="https://issues.apache.org/jira/browse/KYLIN-1333">KYLIN-1333</a></li>
- <li>Upgrade calcite version to 1.6 <a href="https://issues.apache.org/jira/browse/KYLIN-1343">KYLIN-1343</a></li>
- <li>Kylin ACL enhancement <a href="https://issues.apache.org/jira/browse/KYLIN-1365">KYLIN-1365</a></li>
- <li>JDBC Driver is not generic to restAPI json result <a href="https://issues.apache.org/jira/browse/KYLIN-1368">KYLIN-1368</a></li>
-</ul>
-
-<p><strong>Bug</strong></p>
-
-<ul>
- <li>Calcite throws “java.lang.Float cannot be cast to java.lang.Double” error while executing SQL <a href="https://issues.apache.org/jira/browse/KYLIN-918">KYLIN-918</a></li>
- <li>select [MeasureCol] from [FactTbl] is not supported <a href="https://issues.apache.org/jira/browse/KYLIN-1075">KYLIN-1075</a></li>
- <li>Cannot have comments in the end of New Query textbox <a href="https://issues.apache.org/jira/browse/KYLIN-1078">KYLIN-1078</a></li>
- <li>Long dimension value cause ArrayIndexOutOfBoundsException <a href="https://issues.apache.org/jira/browse/KYLIN-1104">KYLIN-1104</a></li>
- <li>can not see project options after clear brower cookie and cache <a href="https://issues.apache.org/jira/browse/KYLIN-1110">KYLIN-1110</a></li>
- <li>problem about kylin web UI <a href="https://issues.apache.org/jira/browse/KYLIN-1159">KYLIN-1159</a></li>
- <li>Remove “Back to My Cubes” link in non-edit mode <a href="https://issues.apache.org/jira/browse/KYLIN-1214">KYLIN-1214</a></li>
- <li>minor, update website member’s info on community page <a href="https://issues.apache.org/jira/browse/KYLIN-1215">KYLIN-1215</a></li>
- <li>When CubeMigrationCLI copied ACL from one env to another, it may not work <a href="https://issues.apache.org/jira/browse/KYLIN-1230">KYLIN-1230</a></li>
- <li>redirect to home page when input invalid url <a href="https://issues.apache.org/jira/browse/KYLIN-1236">KYLIN-1236</a></li>
- <li>Got NPE when discarding a job <a href="https://issues.apache.org/jira/browse/KYLIN-1250">KYLIN-1250</a></li>
- <li>cube model will be overridden while creating a new cube with the same name <a href="https://issues.apache.org/jira/browse/KYLIN-1254">KYLIN-1254</a></li>
- <li>Job status labels are not in same style <a href="https://issues.apache.org/jira/browse/KYLIN-1260">KYLIN-1260</a></li>
- <li>Query from JDBC is partial results by default <a href="https://issues.apache.org/jira/browse/KYLIN-1274">KYLIN-1274</a></li>
- <li>Wrong label in Dialog CUBE REFRESH CONFIRM <a href="https://issues.apache.org/jira/browse/KYLIN-1316">KYLIN-1316</a></li>
- <li>UI create model: Press enter will go back to pre step <a href="https://issues.apache.org/jira/browse/KYLIN-1330">KYLIN-1330</a></li>
- <li>UI Delete Aggregation Groups: cursor disappeared after delete 1 dimension <a href="https://issues.apache.org/jira/browse/KYLIN-1331">KYLIN-1331</a></li>
- <li>Typo in doc <a href="https://issues.apache.org/jira/browse/KYLIN-1342">KYLIN-1342</a></li>
- <li>Couldn’t edit a cube if it has no “partition date” set <a href="https://issues.apache.org/jira/browse/KYLIN-1354">KYLIN-1354</a></li>
- <li>Query using PrepareStatement failed with multi OR clause <a href="https://issues.apache.org/jira/browse/KYLIN-1372">KYLIN-1372</a></li>
- <li>minor bug in BigDecimalSerializer - avoidVerbose should be incremented each time when input scale is larger than given scale <a href="https://issues.apache.org/jira/browse/KYLIN-1396">KYLIN-1396</a></li>
- <li>kylin.metadata.url with hbase namespace problem <a href="https://issues.apache.org/jira/browse/KYLIN-1400">KYLIN-1400</a></li>
- <li>StringIndexOutOfBoundsException in Kylin Hive Column Cardinality Job <a href="https://issues.apache.org/jira/browse/KYLIN-1402">KYLIN-1402</a></li>
- <li>Widget width of “Partition date column” is too small to select <a href="https://issues.apache.org/jira/browse/KYLIN-1412">KYLIN-1412</a></li>
- <li>NullPointerException occurs when query from subqueries with order by <a href="https://issues.apache.org/jira/browse/KYLIN-1419">KYLIN-1419</a></li>
- <li>HBase size precision issue <a href="https://issues.apache.org/jira/browse/KYLIN-1423">KYLIN-1423</a></li>
- <li>For setting Auto Merge Time Ranges, before sending them to backend, the related time ranges should be sorted increasingly <a href="https://issues.apache.org/jira/browse/KYLIN-1443">KYLIN-1443</a></li>
- <li>Kylin should throw error if HIVE_CONF dir cannot be found <a href="https://issues.apache.org/jira/browse/KYLIN-1445">KYLIN-1445</a></li>
- <li>Shouldn’t use “1970-01-01” as the default end date <a href="https://issues.apache.org/jira/browse/KYLIN-1456">KYLIN-1456</a></li>
- <li>Some environment variables are not used in bin/kylin.sh <runnable_class_name> [KYLIN-1466](https://issues.apache.org/jira/browse/KYLIN-1466)</runnable_class_name></li>
- <li>Hive dependency jars are hard coded in test <a href="https://issues.apache.org/jira/browse/KYLIN-1469">KYLIN-1469</a></li>
-</ul>
-
-<p><strong>Test</strong></p>
-
-<ul>
- <li>Disable PrintResult in KylinQueryTest <a href="https://issues.apache.org/jira/browse/KYLIN-1335">KYLIN-1335</a></li>
-</ul>
-
-<p><strong>Upgrade</strong></p>
-
-<p>We recommend to upgrade to this version for better performance, stability and bug fixes.<br />
-Also to keep up to date with community with latest features and supports.</p>
-
-<p><strong>Support</strong></p>
-
-<p>Any issue or question during upgrade, please<br />
-open JIRA to Kylin project: <a href="https://issues.apache.org/jira/browse/KYLIN/">https://issues.apache.org/jira/browse/KYLIN/</a><br />
-or<br />
-send mail to Apache Kylin dev mailing list: <a href="&#109;&#097;&#105;&#108;&#116;&#111;:&#100;&#101;&#118;&#064;&#107;&#121;&#108;&#105;&#110;&#046;&#097;&#112;&#097;&#099;&#104;&#101;&#046;&#111;&#114;&#103;">&#100;&#101;&#118;&#064;&#107;&#121;&#108;&#105;&#110;&#046;&#097;&#112;&#097;&#099;&#104;&#101;&#046;&#111;&#114;&#103;</a></p>
-
-<p><em>Great thanks to everyone who contributed!</em></p>
-</description>
- <pubDate>Wed, 16 Mar 2016 15:00:00 -0700</pubDate>
- <link>http://kylin.apache.org/blog/2016/03/16/release-v1.3.0/</link>
- <guid isPermaLink="true">http://kylin.apache.org/blog/2016/03/16/release-v1.3.0/</guid>
-
-
- <category>blog</category>
-
- </item>
-
- <item>
- <title>Apache Kylin v1.3.0 正式发布</title>
- <description><p>Apache Kylin社区非常高兴宣布Apache Kylin v1.3.0正式发布，这是自顺利毕业成Apache顶级项目后的第二个发布版本。</p>
-
-<p>Apache Kylin是一个开源的分布式分析引擎，提供Hadoop之上的SQL查询接口及多维分析（OLAP）能力以支持超大规模数据，最初由eBay Inc. 开发并贡献至开源社区。</p>
-
-<p>下载Apache Kylin v1.3.0源代码及二进制安装包，<br />
-请访问<a href="http://kylin.apache.org/cn/download/">下载</a>页面.</p>
-
-<p>这是一个主要的版本发布带来了更稳定，健壮及更好管理的版本，Apache Kylin社区解决了57个issue，包括Bug修复，功能增强及一些新特性等。</p>
-
-<h2 id="section">主要变化</h2>
-
-<p><strong>新功能</strong></p>
-
-<ul>
- <li>从Kylin中卸载表 <a href="https://issues.apache.org/jira/browse/KYLIN-579">KYLIN-579</a></li>
- <li>支持自定义的Aggregation Types <a href="https://issues.apache.org/jira/browse/KYLIN-976">KYLIN-976</a></li>
- <li>支持Hive Beeline客户端 <a href="https://issues.apache.org/jira/browse/KYLIN-1054">KYLIN-1054</a></li>
- <li>克隆cube元数据 <a href="https://issues.apache.org/jira/browse/KYLIN-1128">KYLIN-1128</a></li>
- <li>在有限条件下使用bitmap支持精确的distinct count <a href="https://issues.apache.org/jira/browse/KYLIN-1186">KYLIN-1186</a></li>
-</ul>
-
-<p><strong>改进</strong></p>
-
-<ul>
- <li>HiveColumnCardinalityJob使用conf/kylin_job_conf.xml下的配置 <a href="https://issues.apache.org/jira/browse/KYLIN-955">KYLIN-955</a></li>
- <li>从RM获取状态时支持kerberos <a href="https://issues.apache.org/jira/browse/KYLIN-1014">KYLIN-1014</a></li>
- <li>允许通过选择模式来选择hive的表 <a href="https://issues.apache.org/jira/browse/KYLIN-1074">KYLIN-1074</a></li>
- <li>hive的依赖加入到tmpjars <a href="https://issues.apache.org/jira/browse/KYLIN-1082">KYLIN-1082</a></li>
- <li>cube创建cube时简化filter输入 <a href="https://issues.apache.org/jira/browse/KYLIN-1132">KYLIN-1132</a></li>
- <li>增强project级别的ACL <a href="https://issues.apache.org/jira/browse/KYLIN-1201">KYLIN-1201</a></li>
- <li>增加’Enable Cache’ 按钮 <a href="https://issues.apache.org/jira/browse/KYLIN-1211">KYLIN-1211</a></li>
- <li>增强DeployCoprocessorCLI支持filter <a href="https://issues.apache.org/jira/browse/KYLIN-1312">KYLIN-1312</a></li>
- <li>放弃job时杀死后台hadoop进程 <a href="https://issues.apache.org/jira/browse/KYLIN-1317">KYLIN-1317</a></li>
- <li>改进convert hfile的性能 <a href="https://issues.apache.org/jira/browse/KYLIN-1323">KYLIN-1323</a></li>
- <li>升级calcite到1.6 <a href="https://issues.apache.org/jira/browse/KYLIN-1343">KYLIN-1343</a></li>
-</ul>
-
-<p><strong>Bug修复</strong></p>
-
-<ul>
- <li>Calcite报出 “java.lang.Float cannot be cast to java.lang.Double” <a href="https://issues.apache.org/jira/browse/KYLIN-918">KYLIN-918</a></li>
- <li>不支持select [MeasureCol] from [FactTbl] <a href="https://issues.apache.org/jira/browse/KYLIN-1075">KYLIN-1075</a></li>
- <li>长维度值导致ArrayIndexOutOfBoundsException <a href="https://issues.apache.org/jira/browse/KYLIN-1104">KYLIN-1104</a></li>
- <li>前端相关bug <a href="https://issues.apache.org/jira/browse/KYLIN-1159">KYLIN-1159</a></li>
- <li>CubeMigrationCLI ACL 相关问题 <a href="https://issues.apache.org/jira/browse/KYLIN-1230">KYLIN-1230</a></li>
- <li>创建同名cube时model被覆盖 <a href="https://issues.apache.org/jira/browse/KYLIN-1254">KYLIN-1254</a></li>
- <li>从JDBC查询时默认返回partial result <a href="https://issues.apache.org/jira/browse/KYLIN-1274">KYLIN-1274</a></li>
- <li>有多个OR语句的PrepareStatement失败 <a href="https://issues.apache.org/jira/browse/KYLIN-1372">KYLIN-1372</a></li>
- <li>kylin.metadata.url HBase 名字空间问题 <a href="https://issues.apache.org/jira/browse/KYLIN-1400">KYLIN-1400</a></li>
- <li>Hive Column Cardinality 作业时报出 StringIndexOutOfBoundsException <a href="https://issues.apache.org/jira/browse/KYLIN-1402">KYLIN-1402</a></li>
- <li>子查询中有orderby时报出NullPointerException <a href="https://issues.apache.org/jira/browse/KYLIN-1419">KYLIN-1419</a></li>
- <li>HBase 大小精确度问题 <a href="https://issues.apache.org/jira/browse/KYLIN-1423">KYLIN-1423</a></li>
- <li>取消使用 “1970-01-01” 作为默认cube结束时间 <a href="https://issues.apache.org/jira/browse/KYLIN-1456">KYLIN-1456</a></li>
- <li>Hive的依赖在测试中被写死 <a href="https://issues.apache.org/jira/browse/KYLIN-1469">KYLIN-1469</a></li>
-</ul>
-
-<p><strong>升级</strong></p>
-
-<p>我们建议从早前颁布升级到此版本已获得更好的性能，稳定性及Bug修复等。<br />
-并且与社区最新特性及支持保持同步。</p>
-
-<p><strong>支持</strong></p>
-
-<p>升级和使用过程中有任何问题，请：<br />
-提交至Kylin的JIRA: <a href="https://issues.apache.org/jira/browse/KYLIN/">https://issues.apache.org/jira/browse/KYLIN/</a><br />
-或者<br />
-发送邮件到Apache Kylin邮件列表: <a href="&#109;&#097;&#105;&#108;&#116;&#111;:&#100;&#101;&#118;&#064;&#107;&#121;&#108;&#105;&#110;&#046;&#097;&#112;&#097;&#099;&#104;&#101;&#046;&#111;&#114;&#103;">&#100;&#101;&#118;&#064;&#107;&#121;&#108;&#105;&#110;&#046;&#097;&#112;&#097;&#099;&#104;&#101;&#046;&#111;&#114;&#103;</a></p>
-
-<p><em>感谢每一位朋友的参与和贡献!</em></p>
-</description>
- <pubDate>Wed, 16 Mar 2016 15:00:00 -0700</pubDate>
- <link>http://kylin.apache.org/cn/blog/2016/03/16/release-v1.3.0/</link>
- <guid isPermaLink="true">http://kylin.apache.org/cn/blog/2016/03/16/release-v1.3.0/</guid>
-
-
- <category>blog</category>
</item>