https://orangematter.solarwinds.com/2016/11/18/why-percentiles-dont-work-the-way-you-think/ #statistics #performance #troubleshooting #math
SolarWinds Blog
Why Percentiles Don’t Work the Way You Think
Customers ask us for p99 (99th percentile) of metrics pretty frequently. We plan to add such a feature to Database Performance Monitor (DPM)(more on that later). But a lot of the time, when customers make this request, they have something very specific, and…
https://utcc.utoronto.ca/~cks/space/blog/programming/ConfigurationIsNotGeneric #configuration #programming
Chris's Wiki :: Configuration (and configuration files) is not and cannot be generic
Chris's Wiki :: Configuration (and configuration files) is not and cannot be generic
https://www.vidarholen.net/contents/blog/?p=1110 #linux #performance #hardware
Swap on HDD: Does placement matter? (tl;dr: Yes)
Swap on HDD: Does placement matter? (tl;dr: Yes)
https://papers.freebsd.org/2018/bsdcan/rice-the_tragedy_of_systemd/ #systemd #linux #freebsd #software_development #unix
Video talk: The Tragedy of systemd, by Benno Rice
Video talk: The Tragedy of systemd, by Benno Rice
https://engineering.fb.com/2021/10/05/networking-traffic/outage-details/ #facebook #incident #dns #bgp #networking
Engineering at Meta
More details about the October 4 outage
Now that our platforms are up and running as usual after yesterday’s outage, I thought it would be worth sharing a little more detail on what happened and why — and most importantly, how we’re lear…