问题描述：
[单选]
While reviewing the MySQL error log， you see occasions where MySQL has exceeded the number of file handles allowed to it by the operating system．（）在查看MySQL错误日志时，您会看到MySQL超过了操作系统允许的文件句柄数。Which method will reduce the number of file handles in use？哪种方法可以减少使用中的文件句柄数？
A．Disconnecting idle localhost client sessions
B．Implementing storage engine data compression options
C．Relocating your data and log files to separate storage devices
D．Activating the MySQL Enterprise thread pool plugin 激活MySQL企业线程池插件
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上一篇：Which two are true regarding MySQL binary and text backups？（）关于MySQL的二进制和文本备份，哪两个是正确的？
下一篇：You have a server that has very limited memory but has a very large table．You will use mysqldump to back up this table．（）你的服务器内存非常有限，但是它的内存非常大表。你将使用mysqldump备份此表。Which option will ensure mysqldump will process a row at a time instead of buffering a set of rows？哪个选项可以确保mysqldump一次处理一行而不是缓冲一组行？
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