Free 1z0-908 – MySQL 8.0 Database Administrator Practice Test Question

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Showing 7–9 of 10 questions

Question 7

Examine this output:

Which change should optimize the number of buffer pool instances for this workload?

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    Increase the number of buffer pool instances to 16.

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    Increase the number of buffer pool instances to 32.

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    Decrease the number of buffer pool instances to 1.

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    Increase the number of buffer pool instances to 12.

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    Decrease the number of buffer pool instances to 4.

Question 8

What does the binlog dump thread do?

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    It monitors and schedules the rotation/deletion of the binary logs.

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    It reads the relay log and executes the events contained in them.

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    It acquires a lock on the binary log for reading each event to be sent to the slave.

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    It connects to the master and asks it to send updates recorded in its binary logs.

Question 9

Examine these commands and output:

Which connection ID is holding the metadata lock?

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    20

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    24

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    21

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    25

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    22

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    6