Understanding Pressure Stall Information in Linux

System administrators often use load averages to quickly assess whether a server is overloaded. These values are easily accessible in tools like uptime and top. However, load averages alone do not provide enough detail about which resource—CPU or I/O—may be causing the bottleneck, and they lack granularity in time and cgroup-specific data. &#xA; According to man uptime : &#xA; &#xA; System load…