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面试官提问:Linux 系统故障时,你会用哪些工具排查?
sar: 系统监控和报告工具,可以详细记录 CPU、内存、网络、I/O 等各方面的性能。 • sysstat: 包含 iostat、mpstat、sar 等多种工具的综合工具包。 • glances: 类似于 htop 和 dstat 的结合,实时监控 CPU、内存、磁盘、网络、进程等多项系统性能指标。 a:按 CPU 使用率 ...
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