Grafana K6 is an extremely complex (but nextgen compare to ab/wrk) program. I just started to dive into it, and all I have insofar, is a set of observations for performance limits.
Tools:
We have a new position opened. If you are regular in this blog, may be it’s a job for you.
https://www.linkedin.com/jobs/view/3907375158/
Tl;Dr; A good Linux administrator with programming skills is needed (Cyprus).
It’s the usual ‘suck at iterations’ problem in Ansible.
My problem:
mytasks: - name: foo repeat: 10 - name: bar repeat: 99
I just spend few days debugging absolutely simple problem.
My servers wasn’t able to communicate after applying nftables rules with policy deny.
The rule was very simple:
iifname eth0 ip6 saddr @good ip6 daddr…
ChatGPT start to scare me (in a good sense). It really knows git, and it knows it better than me. This solution is absolutely from it, I had had no idea that there is a fast way.
The problem: I worked on refactoring; I did a few non-trivial renamings. I found big gaps in other places while doing it, which required me to abandon my current work and to spend a…
This is my Reddit comment about using one role from another in Ansible. I wrote it and realized it’s more deep than people asked for (their specific question), so I’m re-posting it as a separate article.
I’ve missed this completely. Linux is exposing oom_kill value in the /proc/vmstat. It’s there since 2.6.36.
oom_kill
/proc/vmstat
It is read by node exporter as node_vmstat_oom_kill metric.
node_vmstat_oom_kill