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Google uses percent rollouts within datacenters and within the global network, they’ve always worked fine
- Google uses percent rollouts within datacenters and within the global network, they’ve always worked fine
- Until…
- One system rolled out a new config file that specified a rollout
- But it ended up having a problem that crashed every rollout server that received the file
- The percent rollout didn’t save us and our efficiency in syncing within our network, cost us dearly
- Fix is to also gate rollout of config file changes
Percent rollouts are not the ultimate safety