deploy- ment and operation in physical servers as well as in major virtualized environments like VMware, KVM and XEN. • Red Hat Enterprise Linux 8.0, CentOS 8 Stream, and Oracle Enterprise Linux 8.0 are But this case is a rare occurrence. – Because the ISP dedicated network is used, the network infrastructure of this architecture has a high cost. – Five replicas are configured in three DCs in two cities (II) - Computing • TiDB Internal (III) - Scheduling 10.4.1.1 Preface Database is a generic infrastructure system. It is important to consider various user scenarios during the development process and

deploy- ment and operation in physical servers as well as in major virtualized environments like VMware, KVM and XEN. • Red Hat Enterprise Linux 8.0, CentOS 8 Stream, and Oracle Enterprise Linux 8.0 are But this case is a rare occurrence. – Because the ISP dedicated network is used, the network infrastructure of this architecture has a high cost. – Five replicas are configured in three DCs in two cities - Computing • TiDB Internal (III) - Scheduling 735 10.5.1.1 Preface Database is a generic infrastructure system. It is important to consider various user scenarios during the development process and

deploy- ment and operation in physical servers as well as in major virtualized environments like VMware, KVM and XEN. • Red Hat Enterprise Linux 8.0, CentOS 8 Stream, and Oracle Enterprise Linux 8.0 are But this case is a rare occurrence. – Because the ISP dedicated network is used, the network infrastructure of this architecture has a high cost. – Five replicas are configured in three DCs in two cities - Computing • TiDB Internal (III) - Scheduling 709 10.5.1.1 Preface Database is a generic infrastructure system. It is important to consider various user scenarios during the development process and

deploy- ment and operation in physical servers as well as in major virtualized environments like VMware, KVM and XEN. • Red Hat Enterprise Linux 8.0, CentOS 8 Stream, and Oracle Enterprise Linux 8.0 are But this case is a rare occurrence. – Because the ISP dedicated network is used, the network infrastructure of this architecture has a high cost. – Five replicas are configured in three DCs in two cities (II) - Computing • TiDB Internal (III) - Scheduling 10.5.1.1 Preface Database is a generic infrastructure system. It is important to consider various user scenarios during the development process and

Enterprise Linux，不支持 Oracle Enterprise Linux 提供的 Unbreakable Enterprise Kernel。 以上 Linux 操作系统可运行在物理服务器以及 VMware、KVM、XEN 主流虚拟化环境上。 TiDB 支持部署和运行在 Intel x86-64 架构的 64 位通用硬件服务器平台。对于开发，测试，及生产环境的服务 器硬件配置有以下要求和建议： 组件

About PingCAP • Since 2015 • Beijing, Shanghai, Guangzhou, Silicon Valley, Home • Open-Source infrastructure software: Codis, RebornDB • TiDB, TiKV, TiSpark Agenda • Design Goals • Architecture Evolution has the highest priority Tools matters • Automate Everything • Chaos tools • Debug tools • Infrastructure tools • Jira/Confluence How to tuning the system? 玄学调优 Metrics System Matters • 400+ metrics Releasing your product as an open source project will significantly improve it, especially for infrastructure software • Talent Acquire Linus‘s Law: “Given enough eyeballs, all bugs are shallow” ---

me © The Pythian Group Inc., 2019 �3 TiDB Created by PingCAP (Founded in April 2015 by 3 Infrastructure Engineers) © The Pythian Group Inc., 2019 ●SQL-based (MySQL[0] protocol). ●Distributed (ACID)

latency of report reduced from 30m to 2m • Reduced the cost of database servers. • Bigdata infrastructure adaption The challenges to storage module on HTAP scenario Isolation between OLTP and OLAP

About Me • Shen Li (申砾) • Tech Lead of TiDB, VP of Engineering • Netease / 360 / PingCAP • Infrastructure software engineer What is TiDB A Distributed, Consistent, Scalable, SQL Database that supports

物理机 ● 业务侵入性和性能损耗 ● 实时，秒级别有效性 行业现状 ● 起点：《Dapper, a Large-Scale Distributed Systems Tracing Infrastructure》 - Google 2010 ● OpenTracing ○ Zipkin ○ Uber Jaeger ● OpenCensus ● OpenTracing + OpenCensus