True Causes
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Why does the same outage keep recurring?
The same three services cause most of the pages
a walkthrough with stand-ins — a demonstration, not a finding · sealed
It significantly influences
The staging environment does not resemble production
certified · 12 yes · 1 no · 1 abstained
What significantly influences it
Retries are unbounded, so a slow dependency becomes a flood
certified · 11 yes · 2 no · 1 abstained
Feature flags are never cleaned up, so nobody knows which paths are live
certified · 12 yes · 1 no · 1 abstained
Judged not to be linked
Rollbacks take longer than the outage they are meant to end
judged not to · 1 yes · 13 no
Config lives in five places and drifts between them
judged not to · 2 yes · 12 no
Reliability has no budget line of its own
judged not to · 2 yes · 10 no · 2 abstained
The incident channel fills with people asking for status instead of giving it
judged not to · 6 yes · 21 no · 2 abstained · cross-group
Retries are unbounded, so a slow dependency becomes a flood
judged not to · 1 yes · 13 no
Feature flags are never cleaned up, so nobody knows which paths are live
judged not to · 2 yes · 12 no
The service map in the wiki is two years old
judged not to · 1 yes · 13 no
Rollbacks take longer than the outage they are meant to end
judged not to · 1 yes · 13 no
Config lives in five places and drifts between them
judged not to · 2 yes · 11 no · 1 abstained
Reliability has no budget line of its own
judged not to · 2 yes · 11 no · 1 abstained
Customers report outages before monitoring does
judged not to · 1 yes · 12 no · 1 abstained
The incident channel fills with people asking for status instead of giving it
judged not to · 3 yes · 9 no · 2 abstained
The staging environment does not resemble production
judged not to · 1 yes · 13 no
The service map in the wiki is two years old
judged not to · 3 yes · 11 no
A group’s judgement, not a measurement. Demo room. On the atlas.
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Link: https://truecauses.org/c/6708d57/0305bd4-services
As data: https://truecauses.org/c/6708d57/0305bd4.json