NetBackup for Greenplum terminology
Table: Terminology for Greenplum shows the terms that might be new to a Greenplum database administrator or a NetBackup administrator.
Table: Terminology for Greenplum
Term | Meaning |
|---|---|
Coordinator | The entry to the Greenplum Database system. It accepts client connections and SQL queries and distributes work to the segment instances. [1] |
Segments | The independent PostgreSQL databases that each store a portion of the data and perform the majority of the query processing. [2] |
Segment_hosts | The host that contain the segments. |
Greenplum gpbackup and gprestore utilities | These Greenplum utilties that are used for Greenplum database backups and database restores. The gpbackup command is used to back up. The gprestore command is used to restore. |
Greenplum backup scripts | The shell scripts that control the NetBackup for Greenplum operations. |