When performing diagnostic functions on a server should excessive start and stop messages be looked for in the error log, and why?

A. No, start and stop messages are of no relevance to diagnostics.
B. Yes, because there is a bug in mysqld that can cause multiple start and stop messages to be inserted in the log.
C. No, because they will not provide any information as to what is wrong.
D. Yes, because they can indicate that there is something causing the server to restart unexpectedly and not due to normal startup and shutdown.

Answer: D

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