MySQL考试

What does the slave I/O thread do?

发布于 2021-02-25 23:45:18

【单选题】
A monitors and schedules I/O calls to the subsystem for the relay logs
B connects to the master and requests it to send updates recorded in its binary logs
C acquires a lock on the binary log for reading each event to be sent to the slave
D reads the relay log and executes the events contained in them

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