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Posted to commits@kylin.apache.org by li...@apache.org on 2019/06/19 12:55:36 UTC
svn commit: r1861620 [16/23] - 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/cn_blog/2019/01/18/release-v2.6.0/index.html
URL: http://svn.apache.org/viewvc/kylin/site/cn_blog/2019/01/18/release-v2.6.0/index.html?rev=1861620&view=auto
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--- kylin/site/cn_blog/2019/01/18/release-v2.6.0/index.html (added)
+++ kylin/site/cn_blog/2019/01/18/release-v2.6.0/index.html Wed Jun 19 12:55:31 2019
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+-->
+
+<div class="post" style=" padding:2em 4em 4em 4em">
+
+ <header class="post-header">
+ <h1 class="post-title">Apache Kylin v2.6.0 æ£å¼åå¸</h1>
+ <p class="post-meta" >Jan 18, 2019 ⢠Yanghong Zhong</p>
+ </header>
+
+ <article class="post-content" >
+ <p>è¿æ¥Apache Kylin 社åºå¾é«å
´å°å®£å¸ï¼Apache Kylin 2.6.0 æ£å¼åå¸ã</p>
+
+<p>Apache Kylin æ¯ä¸ä¸ªå¼æºçåå¸å¼åæå¼æï¼æ¨å¨ä¸ºæ大æ°æ®éæä¾ SQL æ¥å£åå¤ç»´åæï¼OLAPï¼çè½åã</p>
+
+<p>è¿æ¯ç»§2.5.0 åçä¸ä¸ªæ°åè½çæ¬ã该çæ¬å¼å
¥äºå¾å¤æä»·å¼çæ¹è¿ï¼å®æ´çæ¹å¨å表请åè§<a href="https://kylin.apache.org/docs/release_notes.html">release notes</a>ï¼è¿éæä¸äºä¸»è¦æ¹è¿å说æï¼</p>
+
+<h3 id="jdbcsdk">é对以JDBC为æ°æ®æºçSDK</h3>
+<p>Kylinç®åå·²ç»æ¯æéè¿JDBCè¿æ¥å
æ¬Amazon Redshift, SQL Serverå¨å
çå¤ç§æ°æ®æºã<br />
+为äºä¾¿äºå¼åè
æ´ä¾¿å©å°å¤çåç§ SQL æ¹è¨ï¼dialectï¼ çä¸å以æ´å ç®åå°å¼åæ°ç JDBC æ°æ®æºï¼Kylin æä¾äºç¸åºç SDK åç»ä¸ç API å
¥å£ï¼<br />
+* åæ¥å
æ°æ®åæ°æ®<br />
+* æ建 cube<br />
+* å½æ¾ä¸å°ç¸åºçcubeæ¥è§£çæ¥è¯¢æ¶ï¼ä¸æ¨æ¥è¯¢å°æ°æ®æº</p>
+
+<p>æ´å¤å
容åè§ KYLIN-3552ã</p>
+
+<h3 id="memcached--kylin-">ä½¿ç¨ Memcached ä½ Kylin çåå¸å¼ç¼å</h3>
+<p>å¨è¿å»ï¼Kylin 对æ¥è¯¢ç»æçç¼åä¸æ¯ååé«æï¼ä¸»è¦æ以ä¸ä¸¤ä¸ªæ¹é¢çåå ï¼<br />
+ä¸ä¸ªæ¯å½ Kylin ç metadata åçååæ¶ï¼ä¼ä¸»å¨ç²ç®å°å»æ¸
é¤å¤§éç¼åï¼ä½¿å¾ç¼åä¼è¢«é¢ç¹å·æ°è导è´å©ç¨çéä½ã<br />
+å¦ä¸ç¹æ¯ç±äºåªä½¿ç¨æ¬å°ç¼åèå¯¼è´ Kylin server ä¹é´ä¸è½å
±äº«å½¼æ¤çç¼åï¼è¿æ ·æ¥è¯¢çç¼åå½ä¸çå°±ä¼éä½ã<br />
+æ¬å°ç¼åçä¸ä¸ªç¼ºç¹æ¯å¤§å°åå°éå¶ï¼ä¸è½ååå¸å¼ç¼åé£æ ·æ°´å¹³æ©å±ãè¿æ ·å¯¼è´è½ç¼åçæ¥è¯¢ç»æéåå°äºéå¶ã</p>
+
+<p>é对è¿äºç¼ºé·ï¼æ们æ¹åäºç¼å失æçæºå¶ï¼ä¸å主å¨å»æ¸
çç¼åï¼èæ¯éåå¦ä¸çæ¹æ¡ï¼<br />
+1. å¨å°æ¥è¯¢ç»ææ¾å
¥ç¼åä¹åï¼æ ¹æ®å½åçå
æ°æ®ä¿¡æ¯è®¡ç®ä¸ä¸ªæ°åç¾åï¼å¹¶ä¸æ¥è¯¢ç»æä¸åæ¾å
¥ç¼åä¸<br />
+2. ä»ç¼åä¸è·åæ¥è¯¢ç»æä¹åï¼æ ¹æ®å½åçå
æ°æ®ä¿¡æ¯è®¡ç®ä¸ä¸ªæ°åç¾åï¼å¯¹æ¯ä¸¤è
çæ°åç¾åæ¯å¦ä¸è´ãå¦æä¸è´ï¼é£ä¹ç¼åææï¼åä¹ï¼è¯¥ç¼å失æ并å é¤</p>
+
+<p>æ们è¿å¼å
¥äº Memcached ä½ä¸º Kylin çåå¸å¼ç¼åãè¿æ · Kylin server ä¹é´å¯ä»¥å
±äº«æ¥è¯¢ç»æçç¼åï¼èä¸ç±äº Memcached server ä¹é´çç¬ç«æ§ï¼é常æäºæ°´å¹³æå±ï¼æ´å æå©äºç¼åæ´å¤çæ°æ®ã<br />
+ç¸å
³å¼åä»»å¡æ¯ KYLIN-2895, KYLIN-2894, KYLIN-2896, KYLIN-2897, KYLIN-2898, KYLIN-2899ã</p>
+
+<h3 id="forkjoinpool--fast-cubing-">ForkJoinPool ç®å fast cubing ç线ç¨æ¨¡å</h3>
+<p>å¨è¿å»è¿è¡ fast cubing æ¶ï¼Kylin 使ç¨èªå·±å®ä¹çä¸ç³»å线ç¨ï¼å¦ split 线ç¨ï¼task 线ç¨ï¼main 线ç¨ççè¿è¡å¹¶åç cube æ建ã<br />
+å¨è¿ä¸ªçº¿ç¨æ¨¡åä¸ï¼çº¿ç¨ä¹é´çå
³ç³»ååçå¤æï¼èä¸å¯¹å¼å¸¸å¤çä¹åå容æåºéã</p>
+
+<p>ç°å¨æ们å¼å
¥äº ForkJoinPoolï¼å¨ä¸»çº¿ç¨ä¸å¤ç split é»è¾ï¼æ建 cuboid çä»»å¡ä»¥ååä»»å¡é½å¨ fork join poolä¸æ§è¡ï¼cuboid æ建çç»æå¯ä»¥è¢«å¼æ¥çæ¶é并ä¸å¯ä»¥æ´æ©å°è¾åºç»ä¸æ¸¸ç merge æä½ãæ´å¤å
容åè§ KYLIN-2932ã</p>
+
+<h3 id="hllcounter-">æ¹è¿ HLLCounter çæ§è½</h3>
+<p>å¯¹äº HLLCounterï¼ æ们ä»ä¸¤æ¹é¢è¿è¡äºæ¹è¿ï¼æ建 HLLCounter å计ç®è°åå¹³åçæ¹å¼ã<br />
+1. å
³äº HLLCounter çæ建ï¼æ们ä¸å使ç¨mergeçæ¹å¼ï¼èæ¯ç´æ¥copyå«çHLLCounteréé¢çregisters<br />
+2. å
³äºè®¡ç® HLLCSnapshot éé¢çè°åå¹³åï¼åäºä»¥ä¸ä¸ä¸ªæ¹é¢çæ¹è¿ï¼<br />
+* ç¼åææç1/2^r<br />
+* 使ç¨æ´åç¸å 代æ¿æµ®ç¹åç¸å <br />
+* å é¤æ¡ä»¶åæ¯ï¼ä¾å¦æ éæ£æ¥ registers[i] æ¯ä¸æ¯ä¸º0</p>
+
+<p>æ´å¤å
容åè§ KYLIN-3656ã</p>
+
+<h3 id="cube-planner-">æ¹è¿ Cube Planner ç®æ³</h3>
+<p>å¨è¿å»ï¼cube planner ç phase two å¢å æªè¢«é¢è®¡ç®ç cuboid çæ¹å¼åªè½éè¿ mandatory cuboid çæ¹å¼ãèä¸ä¸ª cuboid æ¯å¦ä¸º mandatoryï¼åæ两ç§æ¹å¼ï¼<br />
+æå¨è®¾ç½®ï¼æ¥è¯¢æ¶ rollup çè¡æ°è¶³å¤å¤§ãè¿ééè¿å¤ææ¥è¯¢æ¶ rollup çè¡æ°æ¯å¦è¶³å¤å¤§æ¥å¤ææ¯å¦ä¸º mandatory cuboid çæ¹å¼æ两大缺é·ï¼<br />
+* ä¸æ¯ä¼°ç® rollup çè¡æ°çç®æ³ä¸æ¯å¾å¥½<br />
+* äºæ¯å¾é¾è®¾ç«ä¸ä¸ªéæçéå¼æ¥åå¤å®</p>
+
+<p>ç°å¨æ们ä¸åä» rollup è¡æ°çè§åº¦çé®é¢äºãä¸åé½æ¯ä» cuboid è¡æ°çè§åº¦çé®é¢ï¼è¿æ ·å°±å cost based ç cube planner ç®æ³åäºç»ä¸ã<br />
+为æ¤æ们éè¿ä½¿ç¨ rollup æ¯çæ¥æ¹è¿äºæªè¢«é¢å
æ建ç cuboid çè¡æ°çä¼°ç®ï¼ç¶å让 cost based ç cube planner ç®æ³æ¥å¤å®åªäºæªè¢«æ建ç cuboid 该被æ建ï¼åªäºè¯¥è¢«éå¼ã<br />
+éè¿è¿æ ·çæ¹è¿ï¼æ ééè¿è®¾å®éæçéå¼æ¥æ¨è mandatory cuboid äºï¼è mandatory cuboid åªè½è¢«æå¨è®¾ç½®ï¼ä¸è½è¢«æ¨èäºãæ´å¤å
容åè§ KYLIN-3540ã</p>
+
+<p><strong>ä¸è½½</strong></p>
+
+<p>è¦ä¸è½½Apache Kylin v2.6.0æºä»£ç æäºè¿å¶å
ï¼è¯·è®¿é®<a href="http://kylin.apache.org/download">ä¸è½½é¡µé¢</a> .</p>
+
+<p><strong>å级</strong></p>
+
+<p>åè<a href="/docs/howto/howto_upgrade.html">å级æå</a>.</p>
+
+<p><strong>åé¦</strong></p>
+
+<p>å¦ææ¨éå°é®é¢æçé®ï¼è¯·åéé®ä»¶è³ Apache Kylin dev æ user é®ä»¶å表ï¼dev@kylin.apache.orgï¼user@kylin.apache.org; å¨åéä¹åï¼è¯·ç¡®ä¿æ¨å·²éè¿åéçµåé®ä»¶è³ dev-subscribe@kylin.apache.org æ user-subscribe@kylin.apache.org订é
äºé®ä»¶å表ã</p>
+
+<p><em>é常æè°¢ææè´¡ç®Apache Kylinçæå!</em></p>
+
+ </article>
+
+</div>
+
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