docs/sql-manual/sql-statements/Database-Administration-Statements/ADMIN-CLEAN-TRASH.md

---
{
    "title": "ADMIN-CLEAN-TRASH",
    "language": "en"
}


---

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## ADMIN-CLEAN-TRASH

### Name

ADMIN CLEAN TRASH

### Description

This statement is used to clean up garbage data in the backend

grammar:

```sql
ADMIN CLEAN TRASH [ON ("BackendHost1:BackendHeartBeatPort1", "BackendHost2:BackendHeartBeatPort2", ...)];
```

illustrate:

1. Use BackendHost:BackendHeartBeatPort to indicate the backend that needs to be cleaned up, and clean up all backends without adding the on limit.

### Example

1. Clean up the junk data of all be nodes.

        ADMIN CLEAN TRASH;

2. Clean up the junk data of '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");

### Keywords