单选题
发布日期:2022-07-10
The Query Cache is pruning queries due to an increased number of requests
Query_cache_min_res_unit has been exceeded, leading to an increased performance overhead due to additional memory block lookups
Mutex contention on the Query Cache is forcing the queries to take longer due to its singlethreaded nature
The average resultset of a query is increasing due to an increase in the number of users requiring SQL statement execution
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