How-Meituan-Dominates-Online-...

lidong Tue, 03 Aug 2021 03:55:10 -0700

Added: 
kylin/site/cn_blog/2021/08/03/How-Meituan-Dominates-Online-Shopping-with-Apache-Kylin/index.html
URL: 
http://svn.apache.org/viewvc/kylin/site/cn_blog/2021/08/03/How-Meituan-Dominates-Online-Shopping-with-Apache-Kylin/index.html?rev=1891980&view=auto
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kylin/site/cn_blog/2021/08/03/How-Meituan-Dominates-Online-Shopping-with-Apache-Kylin/index.html
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kylin/site/cn_blog/2021/08/03/How-Meituan-Dominates-Online-Shopping-with-Apache-Kylin/index.html
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+      <li class="navlist">
+        <a href="/docs/tutorial/kylin_sample.html" class="list-group-item-lay 
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+        <a href="/docs/tutorial/sql_reference.html" class="list-group-item-lay 
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+      <li class="navlist">
+        <a href="/docs/tutorial/project_level_acl.html" 
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+      <li class="navlist">
+        <a href="/docs/tutorial/cube_spark.html" class="list-group-item-lay 
pjaxlink">Build Cube with Spark</a>
+      </li>      
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+      <li class="navlist">
+        <a href="/docs/tutorial/cube_flink.html" class="list-group-item-lay 
pjaxlink">Build Cube with Flink</a>
+      </li>      
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+      <li class="navlist">
+        <a href="/docs/tutorial/cube_streaming.html" 
class="list-group-item-lay pjaxlink">Cubing from Kafka(Near RT Streaming)</a>
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+      <li class="navlist">
+        <a href="/docs/tutorial/realtime_olap.html" class="list-group-item-lay 
pjaxlink">Real-time OLAP</a>
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+      <li class="navlist">
+        <a href="/docs/tutorial/cube_build_performance.html" 
class="list-group-item-lay pjaxlink">Cube Build Tuning</a>
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+      <li class="navlist">
+        <a href="/docs/tutorial/kylin_client_tool.html" 
class="list-group-item-lay pjaxlink">Kylin Python Client</a>
+      </li>      
+      
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+      <li class="navlist">
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+      
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+      <li class="navlist">
+        <a href="/docs/tutorial/setup_jdbc_datasource.html" 
class="list-group-item-lay pjaxlink">Setup JDBC Data Source</a>
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+      
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+      <li class="navlist">
+        <a href="/docs/tutorial/hybrid.html" class="list-group-item-lay 
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+      <li class="navlist">
+        <a href="/docs/tutorial/mysql_metastore.html" 
class="list-group-item-lay pjaxlink">Use MySQL as Metastore</a>
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+      <li class="navlist">
+        <a href="/docs/tutorial/lambda_mode_and_timezone_realtime_olap.html" 
class="list-group-item-lay pjaxlink">Lambda mode and Timezone in Real-time 
OLAP</a>
+      </li>      
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+        <a href="/docs/tutorial/query_pushdown.html" 
class="list-group-item-lay pjaxlink">Enable Query Pushdown</a>
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+      
+
+
+
+
+
+
+
+                  <ul>
+                  </li>
+              
+                  <li class="dropdown-submenu"><a href="#titleIntegration" 
data-toggle="collapse" class="navtitle">Integration</a>
+                  <ul class="dropdown-menu">
+                  
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+      <li class="navlist">
+        <a href="/docs/tutorial/odbc.html" class="list-group-item-lay 
pjaxlink">Kylin ODBC Driver</a>
+      </li>      
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+      <li class="navlist">
+        <a href="/docs/tutorial/jdbc.html" class="list-group-item-lay 
pjaxlink">Kylin JDBC Driver</a>
+      </li>      
+      
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+      <li class="navlist">
+        <a href="/docs/tutorial/tableau.html" class="list-group-item-lay 
pjaxlink">Tableau 8</a>
+      </li>      
+      
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+      <li class="navlist">
+        <a href="/docs/tutorial/tableau_91.html" class="list-group-item-lay 
pjaxlink">Tableau 9</a>
+      </li>      
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+      <li class="navlist">
+        <a href="/docs/tutorial/powerbi.html" class="list-group-item-lay 
pjaxlink">MS Excel and Power BI</a>
+      </li>      
+      
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+      <li class="navlist">
+        <a href="/docs/tutorial/microstrategy.html" class="list-group-item-lay 
pjaxlink">MicroStrategy</a>
+      </li>      
+      
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+      <li class="navlist">
+        <a href="/docs/tutorial/squirrel.html" class="list-group-item-lay 
pjaxlink">SQuirreL</a>
+      </li>      
+      
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+      <li class="navlist">
+        <a href="/docs/tutorial/flink.html" class="list-group-item-lay 
pjaxlink">Apache Flink</a>
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+      
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+      <li class="navlist">
+        <a href="/docs/tutorial/spark.html" class="list-group-item-lay 
pjaxlink">Apache Spark</a>
+      </li>      
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+      <li class="navlist">
+        <a href="/docs/tutorial/hue.html" class="list-group-item-lay 
pjaxlink">Hue</a>
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+      <li class="navlist">
+        <a href="/docs/tutorial/Qlik.html" class="list-group-item-lay 
pjaxlink">Qlik Sense</a>
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+    
+  
+    
+      <li class="navlist">
+        <a href="/docs/tutorial/superset.html" class="list-group-item-lay 
pjaxlink">Superset</a>
+      </li>      
+      
+
+
+
+
+
+
+
+                  <ul>
+                  </li>
+              
+                  <li class="dropdown-submenu"><a href="#titleHow To" 
data-toggle="collapse" class="navtitle">How To</a>
+                  <ul class="dropdown-menu">
+                  
+
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+  
+    
+  
+    
+      <li class="navlist">
+        <a href="/docs/howto/howto_use_restapi.html" 
class="list-group-item-lay pjaxlink">Use RESTful API</a>
+      </li>      
+      
+
+
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+  
+    
+  
+    
+      <li class="navlist">
+        <a href="/docs/howto/howto_build_cube_with_restapi.html" 
class="list-group-item-lay pjaxlink">Build Cube with API</a>
+      </li>      
+      
+
+
+
+  
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+  
+    
+  
+    
+      <li class="navlist">
+        <a href="/docs/howto/howto_optimize_cubes.html" 
class="list-group-item-lay pjaxlink">Optimize Cube Design</a>
+      </li>      
+      
+
+
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+    
+  
+    
+  
+    
+      <li class="navlist">
+        <a href="/docs/howto/howto_backup_metadata.html" 
class="list-group-item-lay pjaxlink">Backup Metadata</a>
+      </li>      
+      
+
+
+
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+  
+    
+  
+    
+      <li class="navlist">
+        <a href="/docs/howto/howto_cleanup_storage.html" 
class="list-group-item-lay pjaxlink">Cleanup Storage</a>
+      </li>      
+      
+
+
+
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+    
+  
+    
+  
+    
+      <li class="navlist">
+        <a href="/docs/howto/howto_upgrade.html" class="list-group-item-lay 
pjaxlink">Upgrade From Old Versions</a>
+      </li>      
+      
+
+
+
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+  
+    
+  
+    
+  
+    
+  
+    
+      <li class="navlist">
+        <a href="/docs/howto/howto_use_cli.html" class="list-group-item-lay 
pjaxlink">Use Utility CLIs</a>
+      </li>      
+      
+
+
+
+  
+      
+
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+  
+    
+  
+    
+  
+    
+  
+    
+  
+    
+      <li class="navlist">
+        <a href="/docs/howto/howto_ldap_and_sso.html" 
class="list-group-item-lay pjaxlink">Secure with LDAP and SSO</a>
+      </li>      
+      
+
+
+
+  
+      
+
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+    
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+  
+    
+  
+    
+  
+    
+  
+    
+  
+    
+      <li class="navlist">
+        <a href="/docs/howto/howto_use_beeline.html" 
class="list-group-item-lay pjaxlink">Use Beeline for Hive</a>
+      </li>      
+      
+
+
+
+  
+      
+
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+    
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+  
+    
+  
+    
+  
+    
+  
+    
+  
+    
+      <li class="navlist">
+        <a href="/docs/howto/howto_update_coprocessor.html" 
class="list-group-item-lay pjaxlink">Update Coprocessor</a>
+      </li>      
+      
+
+
+
+  
+      
+
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+    
+  
+
+
+
+  
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+    
+  
+    
+  
+    
+  
+    
+  
+    
+  
+    
+  
+    
+      <li class="navlist">
+        <a href="/docs/howto/howto_install_ranger_kylin_plugin.html" 
class="list-group-item-lay pjaxlink">Install Ranger Plugin</a>
+      </li>      
+      
+
+
+
+  
+      
+
+  
+    
+  
+
+
+
+  
+    
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+  
+    
+  
+    
+  
+    
+  
+    
+  
+    
+      <li class="navlist">
+        <a href="/docs/howto/howto_enable_zookeeper_acl.html" 
class="list-group-item-lay pjaxlink">Enable Zookeeper ACL</a>
+      </li>      
+      
+
+
+
+  
+      
+
+  
+    
+  
+
+
+
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+  
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+  
+    
+  
+    
+  
+    
+  
+    
+  
+    
+      <li class="navlist">
+        <a href="/docs/howto/howto_use_hive_mr_dict.html" 
class="list-group-item-lay pjaxlink">Use Hive to build global dictionary</a>
+      </li>      
+      
+
+
+
+  
+      
+
+  
+    
+  
+
+
+
+  
+    
+  
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+  
+    
+  
+    
+  
+    
+  
+    
+  
+    
+  
+    
+  
+    
+      <li class="navlist">
+        <a href="/docs/howto/sample_dataset.html" class="list-group-item-lay 
pjaxlink">Sample Dataset</a>
+      </li>      
+      
+
+
+
+
+
+
+
+                  <ul>
+                  </li>
+              
+                  <li class="dropdown-submenu"><a href="#titleSecurity" 
data-toggle="collapse" class="navtitle">Security</a>
+                  <ul class="dropdown-menu">
+                  
+
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+  
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+    
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+    
+  
+    
+  
+    
+  
+    
+  
+    
+  
+    
+  
+    
+  
+    
+      <li class="navlist">
+        <a href="/docs/security.html" class="list-group-item-lay 
pjaxlink">Security Issues</a>
+      </li>      
+      
+
+
+
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+
+
+                  <ul>
+                  </li>
+              
+            </ul> -->
+          </li>
+          <li><a href="/download">Download</a></li>
+          <li><a href="/community" >Community</a></li>
+          <li><a href="/development" >Development</a></li>
+          <li><a href="/blog">Blog</a></li>
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+    <div class="text-center header-apache">
+      <a href="http://apache.org/foundation/contributing.html"; title="Support 
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+        <div>
+          <img src="https://www.apache.org/images/SupportApache-small.png"; >
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+                               <h4 class="index-title" style=" 
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+                               <!--
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+
+<div class="post" style=" padding:2em 4em 4em 4em">
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åå¤§å°ã</li>
+  <li><strong>æå¤§Executorsä¸ªæ°</strong> = 
kylin.engine.spark-conf.spark.dynamicAllocation.maxExecutorsï¼å¹³å°é»è®¤å¨æç³è¯·ï¼è¯¥åæ°éå¶æå¤§ç³è¯·ä¸ªæ°ã</li>
+</ul>
+
+<p>å¨èµæºåè¶³çæ
åµä¸ï¼è¥åä¸ªStageé¶æ®µç³è¯·1000ä¸ªå¹¶è¡ä»»å¡ï¼åéè¦ç³è¯·èµæºè¾¾å°7000GBå
åå1000ä¸ªCPUï¼å³ï¼<code 
class="highlighter-rouge">CPUï¼1*1000=1000ï¼å
åï¼ï¼6+1ï¼*1000=7000GB</code>ã</p>
+
+<h4 id="section-13">èµæºåçåéé</h4>
+
+<p>ç±äºBy-layeréå±ç®æ³çç¹æ§ï¼ä»¥åSparkå¨å®é
æ§è¡è¿ç¨ä¸çåç¼©æºå¶ï¼å®éæ§è¡çTaskä»»å¡å 
è½½çååºæ°æ®è¿è¿å°äºåæ°è®¾ç½®å¼ï¼ä»èå¯¼è´ä»»å¡è¶
é«å¹¶è¡ï¼å 
ç¨å¤§éèµæºï¼åæ¶äº§çå¤§éçå°æä»¶ï¼å½±åä¸æ¸¸æä»¶è½¬æ¢è¿ç¨ãå
 æ¤ï¼åççååæ°æ®æä¸ºä¼åçå
³é®ç¹ãéè¿Kylinæå»ºæ¥å¿ï¼å¯æ¥çåå±çº§çCuboidç»åæ°æ®çé¢ä¼°å¤§å°ï¼ä»¥åååçååºä¸ªæ°ï¼çäºStageé¶æ®µå®é
çæçTaskä¸ªæ°ï¼ãå¦ä¸å¾æ�
 �ç¤ºï¼</p>
+
+<p><img src="/images/blog/meituan_cn/chart-14.png" alt="" /></p>
+
+<p>ç»åSpark UIå¯æ¥çå®æ§è¡æåµï¼è°æ´å
åçç³è¯·ï¼æ»¡è¶³æ§è¡æéè¦çèµæºå³å¯ï¼åå°èµæºæµªè´¹ã</p>
+
+<ol>
+  
<li>æ´ä½èµæºç³è¯·æå°å¼å¤§äºStageé¶æ®µTop1ãTop2å±çº§çç¼åæ°æ®ä¹åï¼ä¿è¯ç¼åæ°æ®å
¨é¨å¨ååãå¦ä¸å¾æç¤ºï¼</li>
+</ol>
+
+<p><img src="/images/blog/meituan_cn/chart-15.png" alt="" /></p>
+
+<p><strong>è®¡ç®å
¬å¼</strong>ï¼Stageé¶æ®µTop1ãTop2å±çº§çç¼åæ°æ®ä¹å &lt; 
kylin.engine.spark-conf.spark.executor.memory * 
kylin.engine.spark-conf.spark.memory.fraction *  spark.memory.storageFraction 
*æå¤§Executorsä¸ªæ°</p>
+
+<ol>
+  <li>åä¸ªTaskå®éæéè¦çå
ååCPUï¼<strong>1ä¸ªTaskæ§è¡ä½¿ç¨1ä¸ªCPU</strong>ï¼å°äºåä¸ªExecutorçæ§è¡è½åãå¦ä¸å¾æç¤ºï¼</li>
+</ol>
+
+<p><img src="/images/blog/meituan_cn/chart-16.png" alt="" /></p>
+
+<p><strong>è®¡ç®å¬å¼</strong>ï¼åä¸ªTaskå®éæéè¦çåå &lt; 
kylin.engine.spark-conf.spark.executor.memory * 
kylin.engine.spark-conf.spark.memory.fraction *  spark.memory.stÂ·orageFraction 
/ 
kylin.engine.spark-conf.spark.executor.coresãåæ°è¯´æå¦ä¸è¡¨æç¤ºï¼</p>
+
+<p><img src="/images/blog/meituan_cn/chart-17.png" alt="" /></p>
+
+<h3 id="section-14">æä»¶è½¬æ¢</h3>
+
+<p>Kylinå°æå»ºä¹åçCuboidæä»¶è½¬æ¢æHTableæ 
¼å¼çHfileæä»¶ï¼éè¿BulkLoadçæ¹å¼å°æä»¶åHTableè¿è¡å
³èï¼å¤§å¤§éä½äºHBaseçè´è½½ãæ¤è¿ç¨éè¿ä¸ä¸ªMapReduceä»»å¡å®æï¼Mapä¸ªæ°ä¸ºåå±æå»ºé¶æ®µè¾åºæä»¶ä¸ªæ°ãæ¥å¿å¦ä¸ï¼</p>
+
+<p><img src="/images/blog/meituan_cn/chart-18.png" alt="" /></p>
+
+<p>æ¤é¶æ®µå¯æ ¹æ®å®éè¾å
¥çæ°æ®æä»¶å¤§å°ï¼<strong>å¯éè¿MapReduceæ¥å¿æ¥ç</strong>ï¼ï¼åçç³è¯·è®¡ç®èµæºï¼é¿å
èµæºæµªè´¹ã</p>
+
+<p>è®¡ç®å¬å¼ï¼Mapé¶æ®µèµæºç³è¯· = 
kylin.job.mr.config.override.mapreduce.map.memory.mb * 
åå±æå»ºé¶æ®µè¾åºæä»¶ä¸ªæ°ãå·ä½åæ°å¦ä¸è¡¨æç¤ºï¼</p>
+
+<p><img src="/images/blog/meituan_cn/chart-19.png" alt="" /></p>
+
+<h2 id="section-15">å®æ½è·¯çº¿-ç±ç¹åé¢</h2>
+
+<h3 id="section-16">äº¤æè¯ç¹å®è·µ</h3>
+


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svn commit: r1891980 [2/4] - in /kylin/site: ./ blog/ blog/2021/08/ blog/2021/08/03/ blog/2021/08/03/How-Meituan-Dominates-Online-Shopping-with-Apache-Kylin/ cn/blog/ cn_blog/2021/08/ cn_blog/2021/08/03/ cn_blog/2021/08/03/How-Meituan-Dominates-Online-...

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