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【每日一问】2019-10-14 对非阻塞的理解? #21

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watchpoints opened this issue Oct 14, 2019 · 1 comment
Open

【每日一问】2019-10-14 对非阻塞的理解? #21

watchpoints opened this issue Oct 14, 2019 · 1 comment

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@watchpoints
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非阻塞I0 ,会永久最赛吗?

看book说不会存在这个情况,我表示怀疑呀

@watchpoints
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关于raft写入过半才算成功的疑惑

产品:Tidb,etcd

问题:

请问 raft leader 日志复制过程

返回客户端成功,是类似2pc第一阶段判断过半,就返回成功,

还是第二阶段 判断过半才返回客户端成功。

我理解是第二阶段?如果是第一阶段是不是异步了吗

脉脉

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