Sergeyshinder

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Sergey Shinder

Oct 14

We rolled back the image and kept the configuration that broke it

#sergeyshinder #releaseengineering #kubernetes #rollback

2 min read

Sergey Shinder

Oct 14

Our quote service stopped at lunchtime with its CPU at two percent

#sergeyshinder #sre #java #concurrency

2 min read

Sergey Shinder

Oct 14

Our price job put back the stock our stock job had just sold out

#sergeyshinder #api #integration #http

2 min read

Sergey Shinder

Oct 14

Attaching one policy to our CI role took it away from every node in the cluster

#sergeyshinder #terraform #aws #iam

2 min read

Sergey Shinder

Oct 14

Our dashboard counted every failed refund except the first one on each pod

#sergeyshinder #observability #prometheus #metrics

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Sergey Shinder

Oct 14

cert-manager renewed our certificate and the pods kept serving the old one

#sergeyshinder #kubernetes #tls #containers

2 min read

Sergey Shinder

Oct 14

Our release workflow tagged three versions that were never published

#sergeyshinder #cicd #githubactions #automation

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Sergey Shinder

Oct 13

A service called redis gave every new pod a port it could not parse

#sergeyshinder #kubernetes #containers #configuration

2 min read

Sergey Shinder

Oct 13

A hidden folder never reached our artifact and our app links opened in the browser

#sergeyshinder #cicd #githubactions #mobile

2 min read

Sergey Shinder

Oct 13

Our ninety day retention rule had not deleted a recording in nineteen months

#sergeyshinder #terraform #aws #s3

2 min read

Sergey Shinder

Oct 13

Our lock expired while the first worker was still writing invoices

#sergeyshinder #sre #redis #distributedsystems

2 min read

Sergey Shinder

Oct 13

I renamed an Argo CD application and it deleted everything it managed

#sergeyshinder #releaseengineering #argocd #gitops

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Sergey Shinder

Oct 13

Maintenance on our staging cluster muted the alert for our public website

#sergeyshinder #observability #prometheus #alerting

2 min read

Sergey Shinder

Oct 12

A customer found our registry token in the history of our image

#sergeyshinder #cicd #docker #security

2 min read

Sergey Shinder

Oct 12

One transaction left open for three weeks stopped every write in our database

#sergeyshinder #sre #postgres #reliability

2 min read

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