生态繁荣发展。 openEuler 作为一个操作系统发行版平台，每两年推出一个 LTS 版本。该版本为企业级用户提供一个安全稳定可靠的 操作系统。 openEuler 也是一个技术孵化器。通过每半年发布一次的创新版，快速集成 openEuler 以及其他社区的最新技术成 果，将社区验证成熟的特性逐步回合到发行版中。这些新特性以单个开源项目的方式存在于社区，方便开发者获得源代 代 码，也方便其他开源社区使用。 社区中的最新技术成果持续合入发行版，发行版通过用户反馈反哺技术，激发社区创新活力，从而不断孵化新技术。 发行版平台和技术孵化器互相促进、互相推动、牵引版本持续演进。 完全兼容欧拉开源操作系统的 HTAP 数据平台 Greenplum openEuler 20.03 LTS SP2 操作系统 内核版本： Linux host-192-168-1-14 4.19.90-2106.3.0.0095.oe1.aarch64 #1 SMP Wed Jun 23 14:51:58 UTC 2021 aarch64 aarch64 aarch64 GNU/Linux OS 发布版本： NAME="openEuler" VERSION="20

16 8 内存大小（GB） 60 30 CPU平台 Intel Haswell 存储类型 SSD persistent disk 存储大小（GB） 512 Linux发行版 Ubuntu Linux 18.04 Linux内核版本 4.15.0 GCC版本 7.3.0 33 Pivotal Confidential–Internal Use Only TPC-B基准测试：SELECT

TB/小时/Rack – 线性扩展 • 低延迟 – 加载后立刻可用 – 不需要中间存储 – 不需要额外数据处理 • 导入/导出 到&从: – 文件系统 – 任意 ETL 产品 – Hadoop 发行版 外部数据源 Interconnect ... ... ... ... 主节点 查询优化和调度 数据节点 存储数据 & 查询处 理 SQL ETL File Systems 15

gpadmin。为了能够创建其他 Role，一开始需要使用 该初始化 Role 来访问 GP 数据库集群。 角色与权限安全的最佳实践  保护系统 User gpadmin。GP 需要使用一个 Linux 的 OS User 来安装和初始 化 GP 系统。按照惯例，该系统 User 的名称使用 gpadmin。gpadmin 用户作为 GP 系统的默认 SUPERUSER，同时是 GP 安装目录及相关数据文件的 版权所有：Esena(陈淼 +86 18616691889) 编写：陈淼 - 48 - 跃事务的数量，当然，也可以用于压制 CPU 和内存资源的使用量。 基于角色的资源组通过 Linux Kernel 的 cgroup 来管理 CPU 资源，GP 数据库 使用名为 vmtracker 的内存管理模式为基于角色的资源组进行内存的管理。 当执行一个事务时，数据库会根据 ROLE gp_resource_group_memory_limit) ÷ num_of_active_primary 其中[RAM × (vm.overcommit_ratio ÷ 100) + SWAP]为 Linux 可用内存 的计算方式。 每个资源组都可以配置一定百分比的专享内存，在创建资源组时通过 MEMORY_LIMIT 属性来配置，MEMORY_LIMIT 属性的最小取值为 0，最大取值为 100。

VMware Greenplum 482 Prerequisites 482 Procedure 482 Migrating VMware Greenplum from Enterprise Linux 7 to 8 or 9 484 Important Upgrade Considerations 484 Upgrade Methods 487 Greenplum Copy Utility Greenplum Database 1056 Installing and Configuring a Kerberos KDC Server 1057 Configuring Kerberos for Linux Clients 1059 Requirements 1059 Prerequisites 1059 Required Software on the Client Machine 1060 ODBC Drivers for Linux 2412 Upgrading DataDirect ODBC Drivers for Windows 2413 Installing on Linux Systems 2413 Configuring the Driver on Linux 2414 Testing the Driver Connection on Linux 2415 Installing

Greenplum Database 1043 Installing and Configuring a Kerberos KDC Server 1044 Configuring Kerberos for Linux Clients 1045 Requirements 1046 Prerequisites 1046 Required Software on the Client Machine 1046 ODBC Drivers for Linux 2341 Upgrading DataDirect ODBC Drivers for Windows 2341 Installing on Linux Systems 2342 Configuring the Driver on Linux 2343 Testing the Driver Connection on Linux 2343 Installing deployment to Red Hat Enterprise Linux 64-bit 8.7 or later (RHEL8). PostGIS 2.5.4+pivotal.6.build.1 is included to provide support for deployment on Red Hat Enterprise Linux 64-bit 8 (RHEL8). MADlib version

Greenplum Database 838 Installing and Configuring a Kerberos KDC Server 839 Configuring Kerberos for Linux Clients 841 Requirements 841 Prerequisites 841 Required Software on the Client Machine 842 Setting ODBC Drivers for Linux 2188 Upgrading DataDirect ODBC Drivers for Windows 2189 Installing on Linux Systems 2189 Configuring the Driver on Linux 2190 Testing the Driver Connection on Linux 2191 Installing introduces substantial improvements to resource group-based resource management, such as support for Linux Control Groups v2, simplified memory management, and support for disk I/O limits per resource group

Greenplum Database 1012 Installing and Configuring a Kerberos KDC Server 1012 Configuring Kerberos for Linux Clients 1014 Requirements 1014 Prerequisites 1014 Required Software on the Client Machine 1015 ODBC Drivers for Linux 2266 Upgrading DataDirect ODBC Drivers for Windows 2266 Installing on Linux Systems 2266 Configuring the Driver on Linux 2267 Testing the Driver Connection on Linux 2268 Installing Greenplum Database 6.20 has been tested on and is supported for deployment to Red Hat Enterprise Linux 64-bit 8.x (RHEL8). Note: For existing Tanzu Greenplum 6.20 or later deployments, VMware does not

Greenplum Database 1025 Installing and Configuring a Kerberos KDC Server 1026 Configuring Kerberos for Linux Clients 1028 Requirements 1028 Prerequisites 1028 Required Software on the Client Machine 1029 ODBC Drivers for Linux 2367 Upgrading DataDirect ODBC Drivers for Windows 2368 Installing on Linux Systems 2368 Configuring the Driver on Linux 2369 Testing the Driver Connection on Linux 2370 Installing deployment to Red Hat Enterprise Linux 64-bit 8.7 or later (RHEL8). PostGIS 2.5.4+pivotal.6.build.1 is included to provide support for deployment on Red Hat Enterprise Linux 64-bit 8 (RHEL8). MADlib version

Greenplum Database 881 Installing and Configuring a Kerberos KDC Server 881 Configuring Kerberos for Linux Clients 883 Requirements 883 Prerequisites 883 Required Software on the Client Machine 883 Setting 1994 Supported Client Platforms 1995 Installing on Linux Systems 1995 Configuring the Driver on Linux 1997 Testing the Driver Connection on Linux 1998 Installing on Windows Systems 1998 Verifying Greenplum Database 6.20 has been tested on and is supported for deployment to Red Hat Enterprise Linux 64-bit 8.x (RHEL8). Note: For existing Tanzu Greenplum 6.20 or later deployments, VMware does not