为了优化系统的性能,有时需要对系统进行调整。对于不同的系统,其调整参数也不尽相同。例如,对于数据库系统,主要包括CPU/内存使用状况、( )、进程/线程使用状态、日志文件大小等。对于应用系统,主要包括应用系统的可用性、响应时间、( )、特定应用资源占用等。
问题1选项
A.数据丢包率
B.端口吞吐量
C.数据处理速率
D.查询语句性能
问题2选项
A.并发用户数
B.支持协议和标准
C.最大连接数
D.时延抖动
正确答案及解析
正确答案
解析
答案: D、A
针对数据库系统,主要包括CPU/内存使用情况、查询语句性能、进程使用状况、日志文件大小等。
针对应用系统:主要包括应用系统的可用性、响应时间、并发用户数、特定资源占用等。
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