Hi Shi How about this file? https://gitee.com/opengauss/openGauss-server/blob/master/src/gausskernel/sto...

You can find some clock-sweep algorithm explanation in “Normal Buffer Replacement Strategy” section, clock-sweep is similar to LFU.

-- Kamus kamusis@gmail.com 在 2022年4月19日 +0900 11:23，ShiShc shishc9@126.com，写道：

您好，我是一名西电学生。我看了多篇文章说gaussdb支持lru和lfu两种缓冲策略，但我在opengauss中未找到lfu的缓冲策略，可以指导一下吗，万分感激

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