Greenplum 0 Introduction to Greenplum 162 Introduction to Greenplum 0 The Greenplum Master 163 Master Redundancy 163 The Segments 164 Segment Redundancy 164 Segment Failover and Recovery Data Storage Areas 0 Creating Data Storage Areas on the Master and Standby Master Hosts 192 To create the data directory location on the master 192 Creating Data Storage Areas on Segment Hosts 193 iptables (Optional) 0 How to Enable iptables 233 Example iptables Rules 233 Example Master and Standby Master iptables Rules 234 Example Segment Host iptables Rules 235 Installation Management Utilities

实名合约代码路径如下：core/contractsdk/cpp/reserved/identity.cc [https://github.com/xuperchain/xuperchain/blob/master/core/contractsdk/cpp/reserved/identity.cc] 实名合约实名的对象是一个具体的ak。 1 cd ./contractsdk/cpp 2 cp reserved/identity com/xuperchain/xuperchain/blob/master/core/kv/mstorage/test/test_write.go] 读取测试可参考代码 kv/mstorage/test/test_read.go [https://github.com/xuperchain/xuperchain/blob/master/core/kv/mstorage/test/test_read 为了实现跨链请求，仅有上面的链名跨链寻址协议是不够的，在跨链发起的原链上还需要部署一个链名解析合约，该合约目前也已开源 链名解析合约 [https://github.com/xuperchain/xuperchain/blob/master/core/contractsdk/cpp/example/naming/src/naming.cc]。 // 注册一个网络，同时包含网络初始meta信息 RegisterChain(name

[Image](/uploads/documents/7/6/c/e/76ce353818d325972a85fc527b8793a0/p6_2.jpg) ## Kubernetes基础结构介绍 ## Kubernetes Master架构组成：  API Server Kubernetes技术在H3Cloud OS中的应用介绍 ## k8s基本概念和术语介绍（Master 主节点（Master）： Master是集群的控制节点，每个k8s集群中至少需要一个Master节点来维护整个集群的管理和控制，几乎所有的控制命令都是发给它，它负责执行具体的动作。它很重要，如果它不可用，那么我们所有的控制命令都会失效。 Master节点上运行一组关键进程： API Server API服务器（k ，当某个Node宕机时，其工作负载会被Master自动转移到其他Node节点上。默认情况下kubelet会向Master注册自己。一旦Node被纳入集群管理，kubelet进程就会定时向Master节点汇报自身的情况，比如操作系统等信息，这样Master就可以获取每个Node节点的资源使用情况合理的进行调度。如果Node节点在指定时间不上报，那么Master就会认为它“失联”，标记成“Not Ready”状态。

Recommendations 254 Master 254 Segments 254 Google Compute Platform (GCP) 254 Virtual Machine Type 254 Compute 254 Memory 254 Network 254 Storage 254 GCP Recommendations 255 Master and Segment Instances Inc. 11 Azure Recommendations 257 Master 257 Segments 257 Greenplum Database Concepts 258 About the Greenplum Architecture 258 About the Greenplum Master 260 Master Redundancy 261 About the Greenplum Greenplum Database 280 About Segment Mirroring 280 Segment Failover and Recovery 281 VMware Tanzu Greenplum 6 Documentation VMware, Inc. 12 About Master Mirroring 282 About Interconnect Redundancy 282

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Contributing 6 1.6 Contact us 6 2 Baetyl Design 7 2.1 Concepts 7 2.2 Components 8 2.3 Master 9 2.4 Official Modules 17 3 Contributing 23 3.1 Workflow 23 3.2 Code Review 24 3.3 Merge source code 29 5.3 Build Baetyl and modules 29 6 Baetyl Configuration Interpretation 35 6.1 Master Configuration 35 6.2 Application Configuration 36 6.3 Module Configuration 37 6.4 baetyl-function-python underlying service management, but also provides some basic functional modules, as follows: - Baetyl Master is responsible for the management of service instances, such as start, stop, supervise, etc., consisting

台主机/虚拟机，下面是参考配置： 1 台作为 k8s master CPU：2 核，内存：8GB，系统盘：40GB，docker 数据盘：80GB 3 台作为 k8s node CPU：2 核，内存：16GB，系统盘：40GB，docker 数据盘：40GB，ceph 数据盘：1TB $ ^{*} $ 下面是 vSphere 上创建虚拟机的步骤： A1. 创建 k8s-master CPU：2 核，内存：8GB，系统盘：40GB，docker 6054082cbc50c66d67a/p2_1.jpg) Step2. 配置虚拟机网络 打开虚拟机的控制台： 设置主机名： hostnamectl set-hostname k8s-master 设置网络： cd /etc/sysconfig/network-scripts vi ifcfg-ens160 TYPE=Ethernet BOOTPROTO=static A2. 创建 k8s-node1, k8s-node2, k8s-node3 内存：16GB，系统盘：40GB，docker 数据盘：40GB，ceph 数据盘：200GB 【注】所有节点(k8s-master, k8s-node1, k8s-node2, k8s-node3)均需做以下 B~D: ### B. 升级 & 配置 centos7 ### Step1. 升级 linux 内核

Upgrading Greenplum 0 Introduction to Greenplum 228 Introduction to Greenplum 0 The Greenplum Master 229 Master Redundancy 229 The Segments 230 Segment Redundancy 230 Segment Failover and Recovery 231 Data Storage Areas 0 Creating Data Storage Areas on the Master and Standby Master Hosts 259 To create the data directory location on the master 259 Creating Data Storage Areas on Segment Hosts 259 To iptables (Optional) 0 How to Enable iptables 299 Example iptables Rules 300 Example Master and Standby Master iptables Rules 301 Example Segment Host iptables Rules 301 Installation Management Utilities

Upgrading Greenplum 0 Introduction to Greenplum 235 Introduction to Greenplum 0 The Greenplum Master 236 Master Redundancy 237 The Segments 237 Segment Redundancy 238 Segment Failover and Recovery 238 Data Storage Areas 0 Creating Data Storage Areas on the Master and Standby Master Hosts 267 To create the data directory location on the master 267 Creating Data Storage Areas on Segment Hosts 267 To iptables (Optional) 0 How to Enable iptables 308 Example iptables Rules 309 Example Master and Standby Master iptables Rules 310 Example Segment Host iptables Rules 311 Installation Management Utilities

Limitations 228 Installing and Upgrading Greenplum 231 Introduction to Greenplum 232 The Greenplum Master 233 Master Redundancy 234 The Segments 234 Segment Redundancy 235 Segment Failover and Recovery 235 Storage Areas** 264 Creating Data Storage Areas on the Master and Standby Master Hosts 264 To create the data directory location on the master 264 Creating Data Storage Areas on Segment Hosts 264 To iptables (Optional) 303 How to Enable iptables 303 Example iptables Rules 304 Example Master and Standby Master iptables Rules 305 Example Segment Host iptables Rules 305 Installation Management Utilities