Which two conclusions can be made from the output?
从结果中可以得出哪两个结论？

A. There are 140 Performance Schema threads at the time of the output.
输出时有140个性能模式线程。
B. There are 510 connections to MySQL at the time of the output.
输出时与MySQL的连接数为510
C. The thread cache has been configured with thread_cache_size set to at least 6.
线程缓存已配置为thread_cache_size至少设置为6
D. There are more connections being idle than executing queries.
与执行查询相比，有更多的空闲连接。
E. All max_connections were in use at 2018-03-22 14:54:06
所有max_connections于2018-03-22 14:54:06使用
Answer: CDhttp://www.cndba.cn/hbhe0316/article/22802http://www.cndba.cn/hbhe0316/article/22802http://www.cndba.cn/hbhe0316/article/22802

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MYSQL