Lesson 8 of 12 · Tracing and the kernel
Kernel and process limits: ulimit, prlimit, fs.file-max, TasksMax and sysctl
Objective
Recognise an outage caused by a limit (rather than a lack of resources), know which one is reached (process, user, service, system) and raise it in the right place, live and then durably.
This lesson is part of the full course
Unlock SRE and advanced troubleshooting: Linux performance, SLOs and incident management to read every lesson, do the exercises, access the simulations and earn your certificate.
Already enrolled? Log in.