2021-05-22 redis-cluster故障检测-源码追踪

目录

摘要:

从PFAIL切换到FAIL, 然后发广播

slave节点请求主从切换为master

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摘要:

从源码分析节点故障检测和主从转移

版本: redis-5.0.9

代码地址: https://download.redis.io/releases/redis-5.0.9.tar.gz

故障检测，从PFAIL切换到FAIL, 然后发广播

// 检测PFail, 注意检测时候不判断master和slave

        /* Check only if we have an active ping for this instance. */
        if (node->ping_sent == 0) continue;

        /* Compute the delay of the PONG. Note that if we already received
         * the PONG, then node->ping_sent i