Kafka processing OffsetForLeaderEpochRequest
What’s LeaderEpochCache? 每个log（一个log有1到多个segment）都有一个记录了leaderEpoch和其startOffset的文件：leader-epoch-checkpoint log在初始化的时候，会从文件系统加载各种元数据信息，其中一项就是读取leader-epoch-checkpoint文件，建立leaderEpochCache，cache其实就是epo
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相关文章
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