Kubernetes Operator 实践 —— MySQL 容器化 刘林 搜狗资深工程师 关于我 搜狗商业平台研发部 资深开发工程师 l 主要从事商业平台研发工作，在构建高性能、高可用大规模 系统方面有丰富的实践经验 l 目前专注于云计算、DevOps 等相关领域，负责搜狗商业云 平台的设计研发工作 刘林 1. 背景介绍 2. Operator 的基本原理 3. MySQL MySQL Operator 设计实践 4. 小结 搜狗商业平台 技术体系广 服务多迭代快 搜狗产品矩阵 商业平台 信息流广告 搜索广告 品牌广告 代理商 广告主 技术体系 CRM 广告平台 物料展现 审核平台 大数据平台 基础架构 Golang C++ JavaScript Java Python 质量要求高 业务响应快 故障恢复快 Cluster1 有状态服务容器化 1. 背景介绍 2. Operator 的基本原理 3. MySQL Operator 设计实践 4. 小结 无状态服务 服务调度 有状态服务集群 服务调度 状态保存 集群管理 有状态服务 服务调度 状态保存 带来的新挑战 服务调度 状态存储 集群管理 成员管理 扩缩容 故障迁移 高可用 CoreOS 提出了 operator Deployment StatefulSet

TiDB Operator: Design & Implemention Presented by Yecheng Fu (@cofyc) PingCAP.com Agenda ● TiDB Operator 简介 ● 扩展 Kubernetes 的几种方式 ● TiDB Operator 实现 TiDB Operator 是什么 PingCAP.com Cloud Native Scaling - Handle network, hardware failures, etc. - Backup/Restore/Data migration - ... TiDB Operator TiDB PingCAP.com Kubernetes Pattern - Declarative Model - 用户描述自己的期望，提交给 Kubernetes API Server implemented TiDB Operator Kubernetes Pattern - Declarative Model PingCAP.com Operator Pattern - Extending Kubernetes TiDB Operator TiDB PD API Kubernetes API PingCAP.com Operator Pattern - Custom

Functions 484 Backing Up and Restoring a Database 485 Completing the Migration 485 Working With Hash Operator Classes in Greenplum 6 486 Migrating from Open Source Greenplum Database to VMware Greenplum 487 Declaring Distribution Keys 558 Custom Distribution Key Hash Functions 558 Example Custom Hash Operator Class 559 Choosing the Table Storage Model 561 Heap Storage 561 Append-Optimized Storage 561 Expressions 785 Column References 785 Positional Parameters 786 Subscripts 786 Field Selection 786 Operator Invocations 787 Function Calls 787 Aggregate Expressions 788 Limitations of Aggregate Expressions

Functions 467 Backing Up and Restoring a Database 468 Completing the Migration 468 Working With Hash Operator Classes in Greenplum 6 469 Enabling iptables (Optional) 470 How to Enable iptables 471 Example Declaring Distribution Keys 537 Custom Distribution Key Hash Functions 538 Example Custom Hash Operator Class 538 Choosing the Table Storage Model 540 Heap Storage 541 Append-Optimized Storage 541 Expressions 757 Column References 758 Positional Parameters 758 Subscripts 758 Field Selection 759 Operator Invocations 759 Function Calls 760 Aggregate Expressions 760 Limitations of Aggregate Expressions

Functions 464 Backing Up and Restoring a Database 465 Completing the Migration 466 Working With Hash Operator Classes in Greenplum 6 466 Enabling iptables (Optional) 468 How to Enable iptables 468 Example Declaring Distribution Keys 535 Custom Distribution Key Hash Functions 535 Example Custom Hash Operator Class 535 Choosing the Table Storage Model 537 Heap Storage 538 Append-Optimized Storage 538 Expressions 756 Column References 757 Positional Parameters 757 Subscripts 758 Field Selection 758 Operator Invocations 759 Function Calls 759 Aggregate Expressions 759 Limitations of Aggregate Expressions

Functions 392 Backing Up and Restoring a Database 393 Completing the Migration 394 Working With Hash Operator Classes in Greenplum 6 394 Enabling iptables (Optional) 396 How to Enable iptables 396 Example Declaring Distribution Keys 455 Custom Distribution Key Hash Functions 456 Example Custom Hash Operator Class 456 Choosing the Table Storage Model 458 Heap Storage 458 Append-Optimized Storage 458 Expressions 653 Column References 654 Positional Parameters 654 Subscripts 655 Field Selection 655 Operator Invocations 655 Function Calls 656 Aggregate Expressions 656 Limitations of Aggregate Expressions

Functions 478 Backing Up and Restoring a Database 479 Completing the Migration 480 Working With Hash Operator Classes in Greenplum 6 480 Migrating from Open Source Greenplum Database to VMware Greenplum 482 Declaring Distribution Keys 563 Custom Distribution Key Hash Functions 564 Example Custom Hash Operator Class 564 Choosing the Table Storage Model 566 Heap Storage 566 Append-Optimized Storage 567 Expressions 793 Column References 794 Positional Parameters 794 Subscripts 794 Field Selection 795 Operator Invocations 795 Function Calls 796 Aggregate Expressions 796 Limitations of Aggregate Expressions

Functions 459 Backing Up and Restoring a Database 460 Completing the Migration 461 Working With Hash Operator Classes in Greenplum 6 461 Migrating from Open Source Greenplum Database to VMware Greenplum 463 Declaring Distribution Keys 534 Custom Distribution Key Hash Functions 535 Example Custom Hash Operator Class 535 Choosing the Table Storage Model 537 Heap Storage 537 Append-Optimized Storage 538 Expressions 764 Column References 765 Positional Parameters 765 Subscripts 765 Field Selection 766 Operator Invocations 766 Function Calls 767 Aggregate Expressions 767 Limitations of Aggregate Expressions

Upgrade 301 Backing Up and Restoring a Database 305 Completing the Migration 306 Working With Hash Operator Classes in Greenplum 6 307 Enabling iptables (Optional) 308 Enabling iptables (Optional) 0 How Declaring Distribution Keys 735 Custom Distribution Key Hash Functions 736 Example Custom Hash Operator Class 736 Choosing the Table Storage Model 738 VMware Greenplum v6.19 Documentation VMware, Inc Expressions 882 Column References 883 Positional Parameters 883 Subscripts 884 Field Selection 884 Operator Invocations 885 Function Calls 885 Aggregate Expressions 885 Limitations of Aggregate Expressions

Upgrade 292 Backing Up and Restoring a Database 296 Completing the Migration 297 Working With Hash Operator Classes in Greenplum 6 297 Enabling iptables (Optional) 299 Enabling iptables (Optional) 0 How Declaring Distribution Keys 726 Custom Distribution Key Hash Functions 727 Example Custom Hash Operator Class 727 Choosing the Table Storage Model 729 VMware Greenplum v6.18 Documentation VMware, Inc Expressions 873 Column References 874 Positional Parameters 874 Subscripts 875 Field Selection 875 Operator Invocations 876 Function Calls 876 Aggregate Expressions 876 Limitations of Aggregate Expressions