Issues Regarding TiKV TTL

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This topic has been translated from a Chinese forum by GPT and might contain errors.

Original topic: 关于TiKV TTL的问题

| username: 我家有个臭皮崽

I see that there is a TTL setting in the PB file for interacting with TiKV, which seems to allow setting TTL time for each key individually:

message RawCASRequest {
    Context context = 1;
    bytes key = 2;
    bytes value = 3;
    bool previous_not_exist = 4;
    bytes previous_value = 5;
    string cf = 6;
    uint64 ttl = 7;
}

However, after setting the TTL, it did not take effect. What could be the issue?

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| username: Lucien-卢西恩 | Original post link

This only takes effect for new clusters. Refer to the documentation: TiKV 配置文件描述 | PingCAP 文档中心

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| username: system | Original post link

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