ADMIN CLEAN TRASH
Description
This statement is used to clear garbage data in backend.
Syntax
ADMIN CLEAN TRASH [ON ("<be_host>:<be_heartbeat_port>" [, ...])]Optional Parameters
1. [ON ("<be_host>:<be_heartbeat_port>" [, ...])]
Specify the backend to be cleaned up. If you do not add ON, all backend is cleared by default.
Access Control Requirements
Users executing this SQL command must have at least the following privileges:
| Privilege | Object | Notes |
|---|---|---|
| ADMIN_PRIV | User or Role | Only users or roles with the ADMIN_PRIV privilege can perform the CLEAN TRASH operation. |
Examples
-- Clean up the junk data of all be nodes.
ADMIN CLEAN TRASH;-- Clean up garbage data for '192.168.0.1:9050' and '192.168.0.2:9050'.
ADMIN CLEAN TRASH ON ("192.168.0.1:9050", "192.168.0.2:9050");