True Causes
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Why does the same outage keep recurring?
Alerts fire so often that on-call mutes them
a walkthrough with stand-ins — a demonstration, not a finding · root cause · sealed
It significantly influences
Every team has its own logging format
certified · 13 yes · 1 no · 1 abstained
Customers report outages before monitoring does
certified · 12 yes · 0 no · 3 abstained
What significantly influences it
The on-call rota has the same two people on it most weeks
certified · 12 yes · 3 no
Judged not to be linked
Feature work always outranks reliability work in planning
judged not to · 5 yes · 24 no · cross-group
Post-mortem actions are written up and then never scheduled
judged not to · 2 yes · 13 no
Post-mortems assign actions to people who were not in the room
judged not to · 0 yes · 12 no · 3 abstained
Tests that fail intermittently are retried until green
judged not to · 1 yes · 14 no
The on-call rota has the same two people on it most weeks
judged not to · 0 yes · 13 no · 2 abstained
One engineer knows how the payment path actually works
judged not to · 2 yes · 13 no
Error budgets exist on a slide and nowhere else
judged not to · 0 yes · 12 no · 3 abstained
Feature work always outranks reliability work in planning
judged not to · 8 yes · 19 no · 2 abstained · cross-group
Post-mortem actions are written up and then never scheduled
judged not to · 2 yes · 11 no · 2 abstained
Every team has its own logging format
judged not to · 1 yes · 14 no
Post-mortems assign actions to people who were not in the room
judged not to · 2 yes · 12 no · 1 abstained
Tests that fail intermittently are retried until green
judged not to · 2 yes · 11 no · 2 abstained
One engineer knows how the payment path actually works
judged not to · 0 yes · 13 no · 2 abstained
Error budgets exist on a slide and nowhere else
judged not to · 1 yes · 14 no
Customers report outages before monitoring does
judged not to · 1 yes · 12 no · 2 abstained
A group’s judgement, not a measurement. Demo room. On the atlas.
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Link: https://truecauses.org/c/6708d57/6be5a0b-alerts-on-call-mutes
As data: https://truecauses.org/c/6708d57/6be5a0b.json