detail, and a lot more. This chapter will round out your knowledge of Git so that you are truly a master. Chapter 8 is about configuring your custom Git environment. This includes setting up hook scripts during a Git initiated edit. Your default branch name By default Git will create a branch called master when you create a new repository with git init. From Git version 2.28 onwards, you can set a different after a clone, you should see something like this: $ git status On branch master Your branch is up-to-date with 'origin/master'. nothing to commit, working tree clean This means you have a clean working

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. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 How do I choose between master vs. replica for queries? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 There . . . . . . . 175 Elevated query latency on master . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 176 Master starts up read-only . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 176 Vitess sees the wrong tablet as master . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 176 User Guides

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 How do I choose between master vs. replica for queries? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 There . . . . . . . 203 Elevated query latency on master . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 203 Master starts up read-only . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 204 Vitess sees the wrong tablet as master . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 204 User Guides

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 How do I choose between master vs. replica for queries? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 There . . . . . . . 167 Elevated query latency on master . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167 Master starts up read-only . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167 Vitess sees the wrong tablet as master . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168 User Guides

status 命令查看哪些文件处于什么状态。 如果在克隆仓库后立即使用此命令，会看到类似这样的 输出： $ git status On branch master Your branch is up-to-date with 'origin/master'. nothing to commit, working directory clean 这说明你现在的工作目录相当干净。换句话说，所有已跟踪文件在上次提交后都未被更改过。 现在，分支名是“master”，这是 默认的分支名。 我们在 Git 分支 中会详细讨论分支和引用。 现在，让我们在项目下创建一个新的 README 文件。 如果之前并不存在这个文件，使用 git status 命令，你 将看到一个新的未跟踪文件： 31 $ echo 'My Project' > README $ git status On branch master Your branch branch is up-to-date with 'origin/master'. Untracked files: (use "git add ..." to include in what will be committed) README nothing added to commit but untracked files present (use "git add"

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 How do I choose between master vs. replica for queries? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 There . . . . . . . 224 Elevated query latency on master . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 224 Master starts up read-only . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225 Vitess sees the wrong tablet as master . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225 User Guides

Network 296 Storage 296 Elastic Block Storage (EBS) 296 Ephemeral 297 AWS Recommendations 297 Master 297 VMware Greenplum 6 Documentation VMware by Broadcom 14 Segments 297 Google Compute Platform GCP Recommendations 298 Master and Segment Instances 299 Azure 299 Virtual Machine Type 299 Compute 299 Memory 299 Network 300 Storage 300 Azure Recommendations 300 Master 300 Segments 301 Greenplum Greenplum Database Concepts 302 About the Greenplum Architecture 302 About the Greenplum Master 304 Master Redundancy 305 About the Greenplum Segments 305 Segment Redundancy 306 Segment Failover and

Network 264 Storage 264 Elastic Block Storage (EBS) 265 Ephemeral 265 AWS Recommendations 265 Master 265 Segments 265 Google Compute Platform (GCP) 266 Virtual Machine Type 266 VMware Greenplum GCP Recommendations 267 Master and Segment Instances 267 Azure 267 Virtual Machine Type 268 Compute 268 Memory 268 Network 268 Storage 268 Azure Recommendations 269 Master 269 Segments 269 Greenplum Greenplum Database Concepts 270 About the Greenplum Architecture 270 About the Greenplum Master 272 Master Redundancy 273 About the Greenplum Segments 273 Segment Redundancy 274 Segment Failover and

Recommendations 257 Master 257 Segments 257 Google Compute Platform (GCP) 258 Virtual Machine Type 258 Compute 258 Memory 258 Network 258 Storage 258 GCP Recommendations 259 Master and Segment Instances 260 Azure Recommendations 261 Master 261 Segments 261 Greenplum Database Concepts 262 About the Greenplum Architecture 262 About the Greenplum Master 264 Master Redundancy 265 VMware Tanzu Greenplum in Greenplum Database 284 About Segment Mirroring 284 Segment Failover and Recovery 285 About Master Mirroring 286 About Interconnect Redundancy 286 About Database Statistics in Greenplum Database