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pmkol avatar pmkol commented on August 18, 2024

lazy cache 的设计参考了 RFC 8767。所有应答都会在缓存中存留 lazy_cache_ttl 秒,但自身的 TTL 仍然有效。
如果命中过期的应答,则缓存会立即返回 TTL 为 lazy_cache_reply_ttl 的应答,然后自动在后台发送请求更新数据。
相比强行增加应答自身的 TTL 的方法,lazy cache 能提高命中率,同时还能保持一定的数据新鲜度。

详细请见程序官方wiki:
https://irine-sistiana.gitbook.io/mosdns-wiki/mosdns/cha-jian-ji-qi-can-shu#cache-huan-cun

from easymosdns.

wy16W2pIilK1xgqN avatar wy16W2pIilK1xgqN commented on August 18, 2024

谢谢回复,明白你的意思了。
我误以为本项目自己实现了一个解析更新方案。
感谢你的指点。
o(^@^)o

from easymosdns.

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