分布式KV存储Cellar演进之路 美团点评·基础架构 齐泽斌 美团点评基础架构部，存储研发团队负责人 • Cellar：分布式KV存储服务 • Databus：数据库变更实时传输服务 • Venus：图片服务 11年毕业于天津大学 11 年到 14 年任职于百度，负责分布式文件系统和 KV 存储系统研发 有多年分布式存储研发经验 个人简介 • Cellar起源 • 中心节点架构演进 • 节点高可用和异地容灾 • 服务可用性提升 • Cellar规划 目录 • Cellar起源 • 中心节点架构演进 • 节点高可用和异地容灾 • 服务可用性提升 • Cellar规划 目录 Cellar，英文原意是酒窖，项目取名Cellar，一方面借用其储藏 之意，同时，也希望使用Cellar的用户，可以像用酒窖藏酒一样，越 存越香。 Cellar起源 • 14年初 美团引入阿里Tair作为NoSQL存储 16年初 基于开源版本研发新一代KV存储系统Cellar • Now Cellar日请求量达万亿级，美团点评最大NoSQL存储 Cellar起源 Cellar起源—Tair架构 路由表 Cellar起源—Tair架构 HASH Key 桶号 存储节点 固定HASH算 法 固定数目 数据分片 桶->存储节点 对照表 Cellar起源—Tair架构 服务层 请求 mdb

解读Apache 解读Apache 演讲者 Craig Russell Justin Mclean 姜宁 本演讲包含了 Bertrand Delacretaz, Roman Shaposhnik 以及其 它ASF贡献者的⼯作 Craig Russell介绍 Craig Russell介绍 软件架构师 Object Data Management Group Java Data Objects (MySQL) Apache Committer - from 2005 Apache Member - from 2007 Apache Secretary - from 2010-2019 Apache 孵化器管理委员成员 Apache 董事会主席 Apache 软件基⾦会: Apache 软件基⾦会: 世界上最⼤的开源基⾦会 Apache基⾦会的使命 Apache基⾦会的使命 Apache软基⾦⾦会 Apache软基⾦⾦会 (ASF) 是⼀个根据美国法案 501(c)(3)注册公益性组织。 ASF的使命 是通过向加⼊ASF的志同道合的软件项⽬社区提供服务，为公众提供开源软件。 ASF提供了⼀个独⽴于任何公司影响⼒的中⽴空间，保证其中的 项⽬可以在商业友好Apache许可证2.0下繁荣发展， 为公众利益 创建开源软件。 公开成⽴于1999年的公益组织 公开成⽴于1999年的公益组织 使命:

Apache Explained Presented by Roman Shaposhnik Craig Russell Justin Mclean Including original work of Bertrand Delacretaz and other amazing ASF contributors ➔ Engineer and Entrepreneur ◆ Founder Pivotal Inc. ◆ Ex- Sun microsystems, Huawei, Yahoo!, Cloudera ➔ Apache Committer - from 2010 ➔ Apache Member - from 2014 ➔ Apache Board Member and VP of Legal Affairs - from 2018 ➔ Member, Incubator Management Committee, Bigdata Who is Roman Shaposhnik? Apache Software Foundation: The World’s Largest Open Source Foundation The ASF’s Mission The Apache Software Foundation (ASF) is a US 501(c)(3) charitable

Apache Explained Apache Explained Presented by Craig Russell Justin Mclean Willem Jiang Including original work of Bertrand Delacretaz, Roman Shaposhnik and other amazing ASF contributors Who is Craig Jones (MySQL) Apache Committer - from 2005 Apache Member - from 2007 Apache Secretary - 2010 - 2019 Member, Incubator Project Management Committee Chairman, Apache Board of Directors Apache Software Foundation: Foundation: Apache Software Foundation: The World’s Largest Open The World’s Largest Open Source Foundation Source Foundation The ASF’s Mission The ASF’s Mission The Apache Software Foundation (ASF)

使⽤Apache SkyWalking APM 监控 Apache ServiceComb 吴晟 Sheng Wu Huawei DevCloud http://skywalking.io Twitter @AsfSkyWalking 个⼈介绍 GitHub： https://github.com/wu-sheng Personal Homepage： https://wu-sheng https://wu-sheng.github.io/me/ Apache SkyWalking creator, PPMC member and Committer 2018 Microsoft MVP OpenTracing OTSC & OTAIB member W3C Trace Context specification member 2017 GSoC(Google Summer of GitHub: https://github.com/apache/incubator-skywalking 安装：https://github.com/apache/incubator- skywalking/blob/master/docs/cn/Quick-start-CN.md ⽀持的插件列表： https://github.com/apache/ incubator-skywalking/

Introducing Apache Wicket ● Component oriented frameworks difer from classic web frameworks by building a model of requested page on the server side and generating the HTML to send back according to WizardApplication org.apache.wicket.protocol.http.WicketFilter The web.xml file package helloWorld; import org.apache.wicket.Page; import org.apache.wicket.protocol.http.WebApplication; public class WicketApplication extends WebApplication

How Apache works JB Onofré apache.org> Who am I JB Onofré apache.org> @jbonofre | http://blog.nanthrax.net ● Fellow/Software Architect at Talend ● Member of the Apache Software in 2004) ● PMC member on ~ 20 Apache projects from system integration (Karaf, Camel, ActiveMQ, Archiva, Aries, …) to big data (Beam, CarbonData, …) ● Mentor on Apache ServiceComb incubator project source promises Modify ! Open source promises Share ! Open source licenses Give me credit ! (Apache, BSD, MIT) Open source licenses Give me fixes (LGPL, EPL, MPL) Open source licenses Give me everything

走进开源 - Apache ServiceComb [社区网站] http://servicecomb.apache.org [Github ] https://github.com/apache?q=servicecomb 议程 • 什么是开源 • 开源开发是什么状态 • 如何参与开源 [社区网站] http://servicecomb.apache.org [Github ] ] https://github.com/apache?q=servicecomb 软件发展史 开源软件 自由软件 商业软件 [社区网站] http://servicecomb.apache.org [Github ] https://github.com/apache?q=servicecomb 一种思想运动 用户可以自由地运行，拷贝，分 发，学习，修改并改进该软件 一旦在该软件基础上修改，则必 [社区网站] http://servicecomb.apache.org [Github ] https://github.com/apache?q=servicecomb 自由软件和商业软件 之间的折中 遵循版权前提下，可以自由访问、使 用、改变和共享，也可用做商用目的 开源发展第二阶段 [社区网站] http://servicecomb.apache.org [Github ] https://github

HUAWEI.COM Security Level: Apache ServiceComb (Incubating) Community Roadmap Jiang Ning Open Source Capability Center, Central Software Institute, 2012 Laboratories 2018-10-12 Huawei Confidential expert Apache ServiceComb project initiator Apache member Participated in the development of multiple Apache projects. Worked as the member and committer of Apache Camel, Apache CXF, Apache ServiceMix ServiceMix, and Apache RocketMQ PMC. Previously worked at Red Hat, IONA, and Travelsky. Contents • Challenges to Microservice Development • ServiceComb Project Introduction • ServiceComb Community Development

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 2. Why use Apache ActiveMQ Artemis? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 465 78. Embedding Apache ActiveMQ Artemis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 467 79. Artemis on Apache Karaf. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .