Just One Pure Coder
快手 App 目前日活 1.5 亿，每天会产生数万亿规模的用户行为数据，对这些数据的高效探索是一件很有挑战同时也很有价值的工作。今天重点分享快手建设万亿级数据规模 OLAP 平台的设计方案以及主要改进过程。
本文重点介绍了知乎数据分析平台对 Druid 的查询优化。通过自研的一整套缓存机制和查询改造，该平台目前在较长的时间内，满足了业务固化的指标需求和灵活的分析需求，减少了数据开发者的开发成本。
Follow:
![[汇总]MQ经验](http://www.mobabel.net/wp-content/themes/hueman/assets/front/img/thumb-small-empty.png)
| Cookie | Duration | Description |
|---|---|---|
| cookielawinfo-checkbox-analytics | 11 months | This cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Analytics". |
| cookielawinfo-checkbox-functional | 11 months | The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". |
| cookielawinfo-checkbox-necessary | 11 months | This cookie is set by GDPR Cookie Consent plugin. The cookies is used to store the user consent for the cookies in the category "Necessary". |
| cookielawinfo-checkbox-others | 11 months | This cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Other. |
| cookielawinfo-checkbox-performance | 11 months | This cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Performance". |
| viewed_cookie_policy | 11 months | The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. It does not store any personal data. |
![[转]快手万亿级实时OLAP平台的建设与实践](http://www.mobabel.net/wp-content/themes/hueman/assets/front/img/thumb-medium-empty.png)