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DB Discovery

Syntax

SHOW DB_DISCOVERY RULES [FROM schemaName]

SHOW DB_DISCOVERY TYPES [FROM schemaName]

SHOW DB_DISCOVERY HEARTBEATS [FROM schemaName]

Return Value Description

DB Discovery Rule

Column Description
group_name Rule name
data_source_names Data source name list
primary_data_source_name Primary data source name
discovery_type Database discovery service type
discovery_heartbeat Database discovery service heartbeat

DB Discovery Type

Column Description
name Type name
type Type category
props Type properties

DB Discovery Heartbeat

Column Description
name Heartbeat name
props Heartbeat properties

Example

DB Discovery Rule

mysql> show db_discovery rules;
+----------------------+-------------------+--------------------------+-----------------------------------------------------------------------------------+------------------------------------------------------------------------------+
| group_name           | data_source_names | primary_data_source_name | discovery_type                                                                    | discovery_heartbeat                                                          |
+----------------------+-------------------+--------------------------+-----------------------------------------------------------------------------------+------------------------------------------------------------------------------+
| db_discovery_group_0 | ds_0,ds_1,ds_2    |        ds_0              | {name=db_discovery_group_0_mgr, type=MySQL.MGR, props={group-name=92504d5b-6dec}} | {name=db_discovery_group_0_heartbeat, props={keep-alive-cron=0/5 * * * * ?}} |
+----------------------+-------------------+--------------------------+-----------------------------------------------------------------------------------+------------------------------------------------------------------------------+
1 row in set (0.20 sec)

DB Discovery Type

mysql> show db_discovery types;
+---------------------------+------------+------------------------------+
| name                      | type       | props                        |
+---------------------------+------------+------------------------------+
| db_discovery_group_0_mgr  | MySQL.MGR  | {group-name=92504d5b-6dec}   |
+---------------------------+------------+------------------------------+
1 row in set (0.01 sec)

DB Discovery Heartbeat

mysql> show db_discovery heartbeats;
+--------------------------------+---------------------------------+
| name                           | props                           |
+--------------------------------+---------------------------------+
| db_discovery_group_0_heartbeat | {keep-alive-cron=0/5 * * * * ?} |
+---------------------------------+---------------------------------+
1 row in set (0.01 sec)