Author: lidong
Date: Wed Jan 19 08:32:36 2022
New Revision: 1897192
URL: http://svn.apache.org/viewvc?rev=1897192&view=rev
Log:
Add new blog: The future of Kylin
Added:
kylin/site/blog/2022/
kylin/site/blog/2022/01/
kylin/site/blog/2022/01/12/
kylin/site/blog/2022/01/12/The-Future-Of-Kylin/
kylin/site/blog/2022/01/12/The-Future-Of-Kylin/index.html
kylin/site/cn_blog/2022/
kylin/site/cn_blog/2022/01/
kylin/site/cn_blog/2022/01/12/
kylin/site/cn_blog/2022/01/12/The-Future-Of-Kylin/
kylin/site/cn_blog/2022/01/12/The-Future-Of-Kylin/index.html
kylin/site/images/blog/the_future_of_kylin.png (with props)
Modified:
kylin/site/blog/index.html
kylin/site/cn/blog/index.html
kylin/site/download/index.html
kylin/site/feed.xml
Added: kylin/site/blog/2022/01/12/The-Future-Of-Kylin/index.html
URL:
http://svn.apache.org/viewvc/kylin/site/blog/2022/01/12/The-Future-Of-Kylin/index.html?rev=1897192&view=auto
==============================================================================
--- kylin/site/blog/2022/01/12/The-Future-Of-Kylin/index.html (added)
+++ kylin/site/blog/2022/01/12/The-Future-Of-Kylin/index.html Wed Jan 19
08:32:36 2022
@@ -0,0 +1,333 @@
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float:left;"><span>Apache Kylin⢠Technical Blog</span></h4>
+ </div>
+ </div>
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+ <div>
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+ <!--
+* 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
+*
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+-->
+
+<div class="post" style=" padding:2em 4em 4em 4em">
+
+ <header class="post-header">
+ <h1 class="post-title">The future of Apache Kylinï¼More powerful and
easy-to-use OLAP</h1>
+ <p class="post-meta" >Jan 12, 2022 ⢠Yang Li</p>
+ </header>
+
+ <article class="post-content" >
+ <h2 id="apache-kylin-today">01 Apache Kylin Today</h2>
+
+<p>Currently, the latest release of Apache Kylin is 4.0.1. Apache Kylin 4.0 is
a major version update after Kylin 3.x (HBase Storage). Kylin 4.0 uses Parquet
to replace HBase as storage engine, so as to improve file scanning performance.
At the same time, Kylin 4.0 reimplements the spark based build engine and query
engine, making it possible to separate computing and storage, and better adapt
to the technology trend of cloud native.</p>
+
+<p>Kylin 4.0 comprehensively updated the build and query engine, realized the
deployment mode without Hadoop dependency, decrease the complexity of
deployment. In addition, combined with the feedback of Kylin users and the
trend of OLAP technology, Kylin community found that there are still some
weaknesses and deficiencies in todayâs Apache Kylin, such as the ability of
business semantic layer needs to be strengthened and the modification of
model/cube is not flexible. With these, we thinking a few things to do::</p>
+
+<ul>
+ <li>Multi-dimensional query ability friendly to non-technical personnel.
Multi-dimensional model is the key to distinguish Kylin from general OLAP
engine. The feature is that the model concept based on dimension and
measurement is more friendly to non-technical personnel and closer to the goal
of âeveryone is a data analystâ. The multi-dimensional query capability
that non-technical personnel can use should be the new focus of Kylin
technology.</li>
+ <li>Native Engine. The query engine of Kylin still has much room for
improvement in vector acceleration and cpu instruction level optimization. The
Spark community Kylin relies on also has a strong demand for native engine. It
is optimistic that native engine can improve the performance of Kylin by at
least three times, which is worthy of investment.</li>
+ <li>More cloud native capabilities. Kylin 4.0 has only completed the initial
cloud deployment and realized the features of rapid deployment and dynamic
resource scaling on the cloud, but there are still many cloud native
capabilities to be developed.</li>
+</ul>
+
+<p>More explanations are following.</p>
+
+<h2 id="kylin-as-a-multi-dimensional-database">02 KYLIN AS A MULTI-DIMENSIONAL
DATABASE</h2>
+<p>The core of Kylin is a multi-dimensional database, which is a special OLAP
engine. Although Kylin has always had the ability of relational database since
its birth, and it is often compared with other relational OLAP engines, what
really makes Kylin different is multi-dimensional model and multi-dimensional
database ability. Considering the essence of Kylin and its wide range of
business uses in the future (not only technical uses), we will clearly position
Kylin as a multi-dimensional database. We also hope that through
multi-dimensional model and precomputation technology, Apache Kylin can make
non-technical people understand and afford big data, and finally realize data
democratization.</p>
+
+<h3 id="the-semantic-layer">THE SEMANTIC LAYER</h3>
+<p>The key difference between multi-dimensional database and relational
database is business expression ability. Although SQL has strong expression
ability and is the basic skill of data analysts, SQL and relational database
are still too difficult for non-technical personnel if we aim at âeveryone is
a data analystâ. From the perspective of non-technical personnel, the data
lake and data warehouse are like a dark room. They know that there is a lot of
data, but they canât see clearly, understand and use this data because they
donât understand database theory and SQL.<br />
+How to make the Data Lake (and data warehouse) clear to non-technical
personnel? This requires introducing a more friendly data model for
non-technical personnel ââ multi-dimensional data model. While the
relational model describes the technical form of data, the multi-dimensional
model describes the business form of data. In multi-dimensional database,
measurement corresponds to business indicators that everyone understands, and
dimension is the perspective of comparing and observing these business
indicators. Compare KPI with last month and compare performance between
parallel business units, which are concepts understood by every non-technical
personnel. By mapping the relational model to the multi-dimensional model, the
essence is to enhance the business semantics on the technical data, form a
business semantic layer, and help non-technical personnel understand, explore
and use the data.<br />
+In order to enhance Kylinâs ability as the semantic layer of
multi-dimensional database, supporting multi-dimensional query language is the
key content of Kylin roadmap, such as MDX and DAX. MDX can transform the data
model in Kylin into a business friendly language, endow data with business
value, and facilitate Kylinâs multi-dimensional analysis with BI tools such
as Excel and Tableau.</p>
+
+<h3 id="precomputation-and-model-flexibility">PRECOMPUTATION AND MODEL
FLEXIBILITY</h3>
+<p>It is kylinâs unchanging mission to continue to reduce the cost of a
single query through precomputation technology so that ordinary people can
afford big data. If the multi-dimensional model solves the problem that
non-technical personnel can understand data, then precomputation can solve the
problem that ordinary people can afford data. Both are necessary conditions for
data democratization. Through one calculation and multiple use, the data cost
can be shared by multiple users to achieve the scale effect that the more
users, the cheaper. Precalculation is Kylinâs traditional strength, but it
lacks some flexibility in the change of precalculation model. In order to
strengthen the ability to change models flexibly of Kylin and bring more
optimization room, Kylin community expects to propose a new metadata format in
Kylin in the future to make precalculation more flexible, be able to cope with
that table format or business requirements may change at any time.</p>
+
+<h3 id="summary">SUMMARY</h3>
+<p>To sum up, we will make it clear that Kylinâs technical position is a
multi-dimensional database. Through multi-dimensional model and precomputation
technology, ordinary people can understand and afford big data, and finally
realize the vision of data democratization. Meanwhile, for todayâs users who
use Kylin as the SQL acceleration layer, Kylin will continue to maintain a
complete SQL interface to ensure that the precomputation technology can be used
by both relational model and multi-dimensional model.<br />
+In the figure below, we can clearly see the direction of Kylinâs attention
in the future. The newly added and modified parts are roughly marked in blue
and orange.</p>
+
+<p><img src="/images/blog/the_future_of_kylin.png" alt="" /></p>
+
+<h2 id="the-future-plan">03 THE FUTURE PLAN</h2>
+
+<p>Based on Kylinâs positioning as a multi-dimensional database, combined
with the existing capabilities of Kylin that need to be strengthened, and in
order to support the long-awaited features of users such as schema change, we
plan to introduce a new metadata format of DataModel into Kylin : no longer
expose Cube to users, but simplify the metadata dependency to âModel ->
Tableâ.<br />
+As metadata is the basis and contract for the subsequent collaborative
development of Kylin, the design and development of the new metadata format
will be the focus of Kylin communityâs work at present and in the next few
months. The metadata design and discussion proposal will be released later. You
are welcome to participate in the discussion. Not surprisingly, the new
metadata format will meet you this year.<br />
+In addition to metadata format upgrading, the build and query engine which
support metadata upgrade, semantic layer capability (MDX), better integration
with BI tools and native engine are also the key work that Kylin community has
been actively promoting. More like-minded users and developers are welcome to
participate in development and promote Kylin community development jointly.</p>
+
+<p>** Further Reading **<br />
+- https://en.wikipedia.org/wiki/Data_model<br />
+- https://en.wikipedia.org/wiki/Semantic_layer<br />
+- https://en.wikipedia.org/wiki/Multidimensional_analysis<br />
+- https://en.wikipedia.org/wiki/MultiDimensional_eXpressions<br />
+- https://en.wikipedia.org/wiki/XML_for_Analysis<br />
+- https://en.wikipedia.org/wiki/SIMD<br />
+- https://en.wikipedia.org/wiki/Cloud_native_computing<br />
+-
https://blogs.gartner.com/carlie-idoine/2018/05/13/citizen-data-scientists-and-why-they-matter/</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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+
Modified: kylin/site/blog/index.html
URL:
http://svn.apache.org/viewvc/kylin/site/blog/index.html?rev=1897192&r1=1897191&r2=1897192&view=diff
==============================================================================
--- kylin/site/blog/index.html (original)
+++ kylin/site/blog/index.html Wed Jan 19 08:32:36 2022
@@ -197,6 +197,16 @@ var _hmt = _hmt || [];
<div class="col-md-6 col-lg-6 col-xs-12">
+ <a class="blog-card"
href="/blog/2022/01/12/The-Future-Of-Kylin/">
+ <div class="blog-pic">
+ <img width="20" src="../assets/images/icon_blog_w.png" />
+ </div>
+ <p class="blog-title">The future of Apache Kylinï¼More
powerful and easy-to-use OLAP</p>
+ <p align="left" class="post-meta">posted: Jan 12, 2022</p>
+ </a>
+ </div>
+
+ <div class="col-md-6 col-lg-6 col-xs-12">
<a class="blog-card"
href="/blog/2021/10/21/Local-Cache-and-Soft-Affinity-Scheduling/">
<div class="blog-pic">
<img width="20" src="../assets/images/icon_blog_w.png" />
Modified: kylin/site/cn/blog/index.html
URL:
http://svn.apache.org/viewvc/kylin/site/cn/blog/index.html?rev=1897192&r1=1897191&r2=1897192&view=diff
==============================================================================
--- kylin/site/cn/blog/index.html (original)
+++ kylin/site/cn/blog/index.html Wed Jan 19 08:32:36 2022
@@ -199,6 +199,16 @@ var _hmt = _hmt || [];
<div class="col-md-6 col-lg-6 col-xs-12">
+ <a class="blog-card"
href="/cn_blog/2022/01/12/The-Future-Of-Kylin/">
+ <div class="blog-pic">
+ <img width="20" src="/assets/images/icon_blog_w.png" />
+ </div>
+ <p class="blog-title">ä¸ä¸ä»£ Kylinï¼æ´å¼ºå¤§åæç¨ç
OLAP</p>
+ <p align="left" class="post-meta">posted: Jan 12, 2022</p>
+ </a>
+ </div>
+
+ <div class="col-md-6 col-lg-6 col-xs-12">
<a class="blog-card"
href="/cn_blog/2021/10/21/Local-Cache-and-Soft-Affinity-Scheduling/">
<div class="blog-pic">
<img width="20" src="/assets/images/icon_blog_w.png" />
Added: kylin/site/cn_blog/2022/01/12/The-Future-Of-Kylin/index.html
URL:
http://svn.apache.org/viewvc/kylin/site/cn_blog/2022/01/12/The-Future-Of-Kylin/index.html?rev=1897192&view=auto
==============================================================================
--- kylin/site/cn_blog/2022/01/12/The-Future-Of-Kylin/index.html (added)
+++ kylin/site/cn_blog/2022/01/12/The-Future-Of-Kylin/index.html Wed Jan 19
08:32:36 2022
@@ -0,0 +1,327 @@
+<!--
+* 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
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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
+*
+* 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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+ <meta http-equiv="X-UA-Compatible" content="IE=edge">
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+<div class="post" style=" padding:2em 4em 4em 4em">
+
+ <header class="post-header">
+ <h1 class="post-title">ä¸ä¸ä»£ Kylinï¼æ´å¼ºå¤§åæç¨ç OLAP</h1>
+ <p class="post-meta" >Jan 12, 2022 ⢠Yang Li</p>
+ </header>
+
+ <article class="post-content" >
+ <h2 id="apache-kylin-">01 Apache Kylin çä»å¤©</h2>
+<p>ç®åï¼Apache Kylin çææ°åå¸çæ¬æ¯ 4.0.1ã Apache Kylin 4.0
æ¯ Kylin 3.xï¼HBase Storageï¼çæ¬åçä¸æ¬¡é大çæ¬æ´æ°ï¼Kylin 4
ä½¿ç¨ Parquet è¿ç§çæ£çåå¼åå¨æ¥ä»£æ¿ HBase
åå¨ï¼ä»èæåæ件æ«ææ§è½ï¼åæ¶ï¼Kylin 4
éæ°å®ç°äºåºäº Spark
çæ建å¼æåæ¥è¯¢å¼æï¼ä½¿å¾è®¡ç®ååå¨çå离å为å¯è½ï¼æ´å
éåºäºåççææ¯è¶å¿ã<br />
+Kylin 4.0 对æ建åæ¥è¯¢å¼æåäºå
¨é¢æ´æ°ï¼å®ç°äºå» Hadoop
é¨ç½²ï¼è§£å³äºåæ¥ä¸äºçé®é¢ãé¤æ¤ä¹å¤ï¼ç»å社åºç¨æ·çåé¦ä»¥å
OLAP ææ¯åå±çè¶å¿ï¼Kylin 社åºåç°å½åç Kylin
ä»ç¶åå¨ä¸äºå¼±å¿ä¸ä¸è¶³ï¼æ¯å¦ä¸å¡è¯ä¹å±è½åæå¾
å
强ãé¢è®¡ç®æ¨¡ååæ´ä¸å¤çµæ´»çï¼åºäºè¿äºä¸è¶³å¯ä»¥å°åç»éè¦è¿è¡çå·¥ä½æ»ç»ä¸ºä»¥ä¸å
个æ¹é¢ï¼</p>
+
+<ul>
+ <li>对éææ¯äººåå好çå¤ç»´æ¥è¯¢è½åãå¤ç»´æ¨¡åæ¯ Kylin
åºå«äºä¸è¬ OLAP å¼æçå
³é®ãç¹ç¹å¨äºï¼ä»¥ç»´åº¦ã度é为åºç¡ç模åæ¦å¿µå¯¹éææ¯äººåæ´å好ï¼æ´æ¥è¿
â人人é½æ¯æ°æ®åæå¸â çç®æ
ãéææ¯äººåè½ç¨çå¤ç»´æ¥è¯¢è½åï¼åºè¯¥æ¯ Kylin
ææ¯åç»çæ°éå¿ã</li>
+ <li>Native EngineãKylin å¼æå¨åéå
éãæ令级ä¼åæ¹é¢å°æå¾å¤§çæå空é´ãKylin ä¾èµç Spark
社åºä¹æå¾å¼ºç Native Engine éæ±ï¼ä¹è§ä¼°è®¡ï¼Native Engine
å¯ä»¥è³å°æåç®åç Kylin 3 å以ä¸æ§è½ï¼å¼å¾æå
¥ã</li>
+ <li>æ´å¤äºåçè½åãKylin 4.0
åªå®æäºåæ¥ä¸äºï¼å®ç°äºäºä¸çå¿«éé¨ç½²ãå¨æèµæºä¼¸ç¼©çåè½ï¼ä½ä»æå¾å¤äºåççè½åè¿æå¾
å¼åã</li>
+</ul>
+
+<h2 id="apache-kylin---">02 Apache Kylin çå®ä½ ââ å¤ç»´æ°æ®åº</h2>
+<p>Kylin çæ ¸å¿æ¯ä¸ä¸ªå¤ç»´æ°æ®åºï¼æ¯ä¸ç§ç¹æ®ç OLAP
å¼æãè½ç¶ä»è¯ç以æ¥ï¼Kylin ä¸ç´é½æå
³ç³»æ°æ®åºçè½åï¼ä¹å¸¸å¸¸ä¸å
¶ä»å
³ç³»å OLAP
å¼æå对æ¯ï¼ä½çæ£è®© Kylin
ä¸ä¼ä¸åçæ¯å®çå¤ç»´æ¨¡ååå¤ç»´æ°æ®åºè½åãèèå° Kylin
çæ¬è´¨åæªæ¥å¹¿æ³çä¸å¡ç¨éï¼ä¸ä»
æ¯ææ¯ç¨éï¼ï¼æ们å°æç¡®å®ä½ Kylin
为ä¸ä¸ªå¤ç»´æ°æ®åºãæ们ä¹ææéè¿å¤ç»´æ¨¡ååé¢è®¡ç®ææ¯ï¼Apache
Kylin è½è®©æ®é人çå¾æåç¨å¾èµ·å¤§æ°
æ®ï¼æç»å®ç°æ°æ®æ°ä¸»åã</p>
+
+<h3 id="section">è¯ä¹å±</h3>
+<p>å¤ç»´æ°æ®åºä¸å
³ç³»åæ°æ®åºç å
³é®åºå«å¨äºä¸å¡è¡¨è¾¾è½åã尽管 SQL
表达è½åå¾å¼ºï¼æ¯æ°æ®åæå¸çåºæ¬æè½ï¼ä½å¦æ以
â人人é½æ¯åæå¸â 为ç®æ ï¼SQL åå
³ç³»æ°æ®åºå¯¹éææ¯äººåè¿æ¯å¤ªé¾äºãä»éææ¯äººåçè§è§ï¼æ°æ®æ¹åæ°æ®ä»åºå°±å¥½ä¼¼ä¸ä¸ªé»æçæ¿é´ï¼ç¥éå
¶ä¸æå¾å¤æ°æ®ï¼å´å 为ä¸ææ°æ®åºç论å SQLï¼æ æ³çæ¸
ãç解ãå使ç¨è¿äºæ°æ®ã<br />
+å¦ä½è®©æ°æ®æ¹ï¼åæ°æ®ä»åºï¼å¯¹éææ¯äººåä¹ âæ¸
æ¾è§åºâï¼è¿å°±éè¦å¼å
¥ä¸ä¸ªå¯¹éææ¯äººåæ´å
å好çæ°æ®æ¨¡å â å¤ç»´æ°æ®æ¨¡åãå¦æ说å
³ç³»æ¨¡åæè¿°äºæ°æ®çææ¯å½¢æï¼é£ä¹å¤ç»´æ¨¡ååæè¿°äºæ°æ®çä¸å¡å½¢æãå¨å¤ç»´æ°æ®åºä¸ï¼åº¦é对åºäºæ¯ä¸ªäººé½æçä¸å¡ææ
ï¼ç»´åº¦åæ¯æ¯è¾ãè§å¯è¿äºä¸å¡ææ
çè§åº¦ãè¦ä¸ä¸ä¸ªææ¯è¾
KPIï¼è¦å¨å¹³è¡äºä¸é¨ä¹é´æ¯è¾ç»©æï¼è¿äºæ¯æ¯ä¸ªé
ææ¯äººåé½ç解çæ¦å¿µãéè¿å°å
³ç³»æ¨¡åæ
å°å°å¤ç»´æ¨¡åï¼æ¬è´¨æ¯å¨ææ¯æ°æ®ä¹ä¸å¢å¼ºäºä¸å¡è¯ä¹ï¼å½¢æä¸å¡è¯ä¹å±ï¼å¸®å©éææ¯äººåä¹è½çæãæ¢ç´¢ã使ç¨æ°æ®ã<br
/>
+为äºå¢å¼º Kylin
ä½ä¸ºå¤ç»´æ°æ®åºçè¯ä¹å±è½åï¼æ¯æå¤ç»´æ¥è¯¢è¯è¨æ¯ Kylin
Roadmap ä¸çéç¹å
容ï¼æ¯å¦ MDX å DAXãéè¿ MDX å¯ä»¥å° Kylin
ä¸çæ°æ®æ¨¡å转æ¢ä¸ºä¸å¡å好çè¯è¨ï¼èµäºæ°æ®ä¸å¡ä»·å¼ï¼æ¹ä¾¿å¯¹æ¥
ExcelãTableau ç BI å·¥å
·è¿è¡å¤ç»´åæã</p>
+
+<h3 id="section-1">é¢è®¡ç®åçµæ´»ç模å</h3>
+<p>继ç»éè¿é¢è®¡ç®ææ¯éä½åæ¥è¯¢ææ¬ï¼è®©æ®é人ç¨å¾èµ·å¤§æ°æ®ï¼ä¹æ¯
Kylin
ä¸åç使å½ãå¦æ说å¤ç»´æ¨¡å解å³äºéææ¯äººåçå¾ææ°æ®çé®é¢ï¼é£ä¹é¢è®¡ç®åè½è§£å³æ®é人ç¨å¾èµ·æ°æ®çé®é¢ï¼ä¸¤è
é½æ¯æ°æ®æ°ä¸»åçå¿
å¤æ¡ä»¶ãéè¿ä¸æ¬¡è®¡ç®å¤æ¬¡ä½¿ç¨ï¼æ°æ®ææ¬å¯ä»¥è¢«å¤ä¸ªç¨æ·åæï¼è¾¾å°ç¨æ·è¶å¤è¶ä¾¿å®çè§æ¨¡æåºãé¢è®¡ç®æ¯
Kylin çä¼ ç»å¼ºé¡¹ï¼ä½æ¯å¨é¢è®¡ç®æ¨¡åçåæ´æ¹é¢ç¼ºä¹ä¸å®ç
çµæ´»æ§ï¼ä¸ºäºå 强 Kylin
ç模åççµæ´»åæ´è½åï¼å¹¶å¸¦æ¥æ´å¤å¯ä¼åç空é´ï¼Kylin
社åºé¢è®¡å¨æªæ¥ç Kylin ä¸æåºå
¨æ°çå
æ°æ®ç»æï¼ä½¿é¢è®¡ç®æ´çµæ´»ï¼è½å¤åºå¯¹éæ¶å¯è½åçååç表ç»ææè
ä¸å¡éæ±ã</p>
+
+<h3 id="section-2">æ»ç»</h3>
+<p>综ä¸ï¼æ们å°æç¡® Kylin
çææ¯å®ä½æ¯ä¸ä¸ªå¤ç»´æ°æ®åºï¼éè¿å¤ç»´æ¨¡ååé¢è®¡ç®ææ¯ï¼è®©æ®é人çå¾æåç¨å¾èµ·å¤§æ°æ®ï¼æç»å®ç°æ°æ®æ°ä¸»åçç¾å¥½æ¿æ¯ãåæ¶ï¼å¯¹äºä»å¤©å°
Kylin ç¨ä½ SQL å éå±çç¨æ·ï¼Kylin å°ç»§ç»ä¿æå®å¤ç SQL
æ¥å£ï¼ä¿è¯é¢è®¡ç®ææ¯å¯ä»¥åæ¶è¢«å
³ç³»æ¨¡ååå¤ç»´æ¨¡å使ç¨ã<br />
+å¨ä¸å¾ä¸ï¼æ们è½æ¸
æ°å°çå°æªæ¥ Kylin å
³æ³¨çæ¹åï¼æ°å¢åä¿®æ¹çé¨å大è´ä½¿ç¨èè²åæ©è²æ
示åºæ¥ã</p>
+
+<p><img src="/images/blog/the_future_of_kylin.png" alt="" /></p>
+
+<h2 id="apache-kylin--1">03 Apache Kylin å级计å</h2>
+<p>åºäº Kylin ä½ä¸ºä¸ä¸ªå¤ç»´æ°æ®åºçå®ä½ï¼ç»åå½å Kylin
åå¨çæå¾
å 强çè½åï¼åæ¶ä¸ºäºæ¯æ Schema Change
çç¨æ·æå¾
å·²ä¹
çåè½ï¼æ们计åå¨æªæ¥ç Kylin ä¸å¼å
¥æ°ç
DataModel çå
æ°æ®ç»æï¼ä¸ååç¨æ·æ´é² Cube çå
æ°æ®ï¼å°å
æ°æ®ä¾èµå
³ç³»ç®å为 Model -> Table ã<br />
+ç±äºå
æ°æ®æ¯ç¤¾åºåç»åä½å¼åçåºç¡åå¥çº¦ï¼å
¨æ°å
æ°æ®ç»æç设计å¼åå°ä¼æ¯å½å以åä»åå 个æå
Kylin
社åºå·¥ä½çéç¹ï¼å
æ°æ®è®¾è®¡ä»¥å讨论ææ¡£ä¼å¨ä¸ä¸ªæå
åå¸ï¼æ¬¢è¿å¤§å®¶è¸è·åä¸è®¨è®ºï¼ä¸åºæå¤å°è¯ 2022 å¹´æ°çå
æ°æ®ç»æå°±ä¼ä¸å¤§å®¶è§é¢ï¼æ¬è¯·æå¾
ã<br />
+é¤äºå
æ°æ®ç»æå级以å¤ï¼åå
æ°æ®å级é
å¥çæ建åæ¥è¯¢å¼æãè¯ä¹å±è½åï¼MDXï¼ãä¸ BI å·¥å
·æ´å¥½éæãNative Engine çä¹æ¯ Kylin
社åºä¸ç´å¨ç§¯ææ¨è¿çéç¹å·¥ä½ï¼æ¬¢è¿æ´å¤å¿åéåçå°ä¼ä¼´åä¸è¿æ¥ï¼å
±å社åºã</p>
+
+<p>** Further Reading **<br />
+- https://en.wikipedia.org/wiki/Data_model<br />
+- https://en.wikipedia.org/wiki/Semantic_layer<br />
+- https://en.wikipedia.org/wiki/Multidimensional_analysis<br />
+- https://en.wikipedia.org/wiki/MultiDimensional_eXpressions<br />
+- https://en.wikipedia.org/wiki/XML_for_Analysis<br />
+- https://en.wikipedia.org/wiki/SIMD<br />
+- https://en.wikipedia.org/wiki/Cloud_native_computing<br />
+-
https://blogs.gartner.com/carlie-idoine/2018/05/13/citizen-data-scientists-and-why-they-matter/</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.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+-->
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+
+
Modified: kylin/site/download/index.html
URL:
http://svn.apache.org/viewvc/kylin/site/download/index.html?rev=1897192&r1=1897191&r2=1897192&view=diff
==============================================================================
--- kylin/site/download/index.html (original)
+++ kylin/site/download/index.html Wed Jan 19 08:32:36 2022
@@ -196,7 +196,7 @@ var _hmt = _hmt || [];
<h4 id="v401">v4.0.1</h4>
<ul>
<li>This is a bug-fix release after Kylin 4.0.0, with 8 new
features/improvements and 6 bug fixes. Check the release notes.</li>
- <li><a href="/docs/release_notes.html">Release notes</a>, <a
href="https://cwiki.apache.org/confluence/display/KYLIN/Installation+Guide";>installation
guide</a> and <a
href="https://cwiki.apache.org/confluence/display/KYLIN/How+to+upgrade";>upgrade
guide</a></li>
+ <li><a href="/docs/release_notes.html">Release notes</a>, <a
href="https://cwiki.apache.org/confluence/display/KYLIN/Installation+Guide";>installation
guide</a> and <a href="/docs/howto/howto_upgrade.html">upgrade guide</a></li>
<li>Source download: <a
href="https://www.apache.org/dyn/closer.cgi/kylin/apache-kylin-4.0.1/apache-kylin-4.0.1-source-release.zip";>apache-kylin-4.0.1-source-release.zip</a>
[<a
href="https://www.apache.org/dist/kylin/apache-kylin-4.0.1/apache-kylin-4.0.1-source-release.zip.asc";>asc</a>]
[<a
href="https://www.apache.org/dist/kylin/apache-kylin-4.0.1/apache-kylin-4.0.1-source-release.zip.sha256";>sha256</a>]</li>
<li>Binary for the download (check this to see which binary you should
choose <a
href="https://cwiki.apache.org/confluence/display/KYLIN/Support+Hadoop+Version+Matrix+of+Kylin+4";>Hadoop
Matrix supported</a>) :
<ul>
![https://www.apache.org/images/SupportApache-small.png"](https://www.apache.org/images/SupportApache-small.png"){kind=link}