backup_data

gpbackup invokes the backup_data plugin command on each segment host during a streaming backup.

The implementation should read a potentially large stream of data from stdin and write the data to a single file on the remote storage system. The data is sent to the command as a single continuous stream per Greenplum Database segment. If backup_data modifies the data in any manner (i.e. compresses), must perform the reverse operation.

plugin_config_file

The absolute path to the plugin configuration YAML file.

The mapping key for a specially-named backup file for streamed data.

The backup_data command must exit with a value of 0 on success, non-zero if an error occurs. In the case of a non-zero exit code, displays the contents of stderr to the user.