Discover and read the best of Twitter Threads about #oncall

Most recents (4)

Do you do on-calls from home? Here are my top tips for being non-resident. Share yours at the end. #oncall🧵
I previous worked as a critical care consultant with in-house cover 24/7. Being on-call from home has taken some adaption.
I now use the "six P's" for the things I definitely want to be called about:

Pregnant patients
Paediatric patients
Palliative patients (worried they are going to die)
Perplexing patients (uncertain diagnosis)
Political issues
Practical help
Read 10 tweets
I know my niche here on Twitter is narrative threads, but I wanted to take a moment to discuss something that’s very difficult for us to truly grasp.

Something firefighters grasp intuitively, but many of us struggle with.

The idea of exponential growth. 1/
Let me start with a hypothetical question.

I’ll give you the answer later.

Monday: 541
Tuesday: 704
Wednesday: 938
Thursday: 1,195
3/27: 1,589+.

These are total US COVID-19 fatalities, growing by ~30% per day.

How many by the end of April, assuming the same % growth? 2/
We’ve all heard of the idea of exponential growth, even if it wasn’t called that.

Here in the US, a bear teaches us about exponential growth as kids in school.

His name is Smokey.

He teaches us that one small match can start a raging forest fire. 3/
Read 14 tweets
Started reading @Google 's #SRE book and some insights from it so far, will keep updating the thread as I finish the chapters. (1/n)
@Google The initial chapter touches upon the idea, that fixes being pushed with human-interruption need to scale linearly as the product grows/scale increases. Practicing the ideology of building systems which would in turn manage the hand holding which #syadmins do is radical (2/n)
@Google 100% uptime is probably never the right reliability target: not only is it impossible to achieve, it’s typically more reliability than a service’s users want or notice. Matching the profile of the service to the risk the business is willing to take. (3/n)
Read 27 tweets
Many incidents happen during or right after the release.
Here are some ideas to improve MTTR and on-call considering this argument
[thread] #OnCall #MTTR #DevOps
If to-be-updated services are not covered in the on-call rotations, fail your delivery pipeline.
Add a temporary 15min on-call rotation covering the developers who have issues in the release. Most probably they have something to do with the upcoming alerts.
Read 6 tweets

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