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Update 2.meta-service.md #1218

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Nov 15, 2021
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Update 2.meta-service.md #1218

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4 changes: 2 additions & 2 deletions docs-2.0/1.introduction/3.nebula-graph-architecture/2.meta-service.md
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Expand Up @@ -43,9 +43,9 @@ Meta 服务中存储了 Schema 信息，同时还负责 Schema 的添加、修

更多 Nebula Graph 的 Schema 信息，请参见[数据模型](../2.data-model.md)。

### 管理基于TTL的数据回收
### 管理TTL信息

Meta 服务提供基于 TTL(Time To Live) 的自动数据回收和空间回收。
Meta 服务存储TTL（Time To Live）定义信息，可以用于设置数据生命周期。数据过期后，会由Storage 服务进行处理，具体过程参见[TTL](../../3.ngql-guide/8.clauses-and-options/ttl-options.md)。

### 管理作业

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