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You are investigating the performance of the server and see the following information: Events_waits_summary_global_by_event_name in the performance schema shows that the wait/synch/mutex/sql/LOCK_table_cache event is dominating other wait events. The table_open_cache_overflows status variable is 0.Which action should be taken to remove the performance bottleneck described here?()

A.Increase the value of table_definition_cache

B.Increase the value of table_open_cache_instances

C.Decrease the value of table_open_cache_instances

D.Increase the value of table_open_cache

E.Decrease the value of table_definition_cache

F.Decrease the value of table_open_cache


参考答案

更多 “ You are investigating the performance of the server and see the following information: Events_waits_summary_global_by_event_name in the performance schema shows that the wait/synch/mutex/sql/LOCK_table_cache event is dominating other wait events. The table_open_cache_overflows status variable is 0.Which action should be taken to remove the performance bottleneck described here?()A.Increase the value of table_definition_cacheB.Increase the value of table_open_cache_instancesC.Decrease the value of table_open_cache_instancesD.Increase the value of table_open_cacheE.Decrease the value of table_definition_cacheF.Decrease the value of table_open_cache ” 相关考题
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