关于管理和监视实用程序
Greenplum数据库提供了用于执行常见监视和管理任务的标准命令行实用程序。 Greenplum命令行实用程序位于$GPHOME/bin目录中，并在master主机上执行。 Greenplum提供了用于以下管理任务的实用程序：
- Installing Greenplum Database on an array
- Initializing a Greenplum Database System
- Starting and stopping Greenplum Database
- Adding or removing a host
- Expanding the array and redistributing tables among new segments
- Managing recovery for failed segment instances
- Managing failover and recovery for a failed master instance
- Backing up and restoring a database (in parallel)
- Loading data in parallel
- Transferring data between Greenplum databases
- System state reporting