---
{
    "title": "ADMIN CLEAN TRASH",
    "language": "zh-CN"
}
---

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# ADMIN CLEAN TRASH
## description
    该语句用于清理 backend 内的垃圾数据。
    语法：
        ADMIN CLEAN TRASH [ON ("BackendHost1:BackendHeartBeatPort1", "BackendHost2:BackendHeartBeatPort2", ...)];

    说明：
        以 BackendHost:BackendHeartBeatPort 表示需要清理的 backend ，不添加on限定则清理所有 backend 。

## example

    1. 清理所有be节点的垃圾数据。

        ADMIN CLEAN TRASH;

    2. 清理'192.168.0.1:9050'和'192.168.0.2:9050'的垃圾数据。

        ADMIN CLEAN TRASH ON ("192.168.0.1:9050","192.168.0.2:9050");

## keyword
    ADMIN, CLEAN, TRASH