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Sergey Shinder

I am Sergey Shinder

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The ten minute outage that took six hours to finish
sergey_shinder_ab2d943365 profile

The ten minute outage that took six hours to finish

#sergeyshinder #sre #reliability #architecture
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2 min read
The canary that never saw the traffic that would have broken it
sergey_shinder_ab2d943365 profile

The canary that never saw the traffic that would have broken it

#sergeyshinder #releaseengineering #deployment #devops
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2 min read
The order ID that changed by one digit between two services
sergey_shinder_ab2d943365 profile

The order ID that changed by one digit between two services

#sergeyshinder #api #integration #json
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2 min read
The graph that stayed flat because nothing was reporting any more
sergey_shinder_ab2d943365 profile

The graph that stayed flat because nothing was reporting any more

#sergeyshinder #observability #monitoring #prometheus
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2 min read
The CPU limit that throttled a service using a third of its quota
sergey_shinder_ab2d943365 profile

The CPU limit that throttled a service using a third of its quota

#sergeyshinder #kubernetes #containers #performance
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2 min read
The hotfix somebody made by hand that our nightly apply reverted
sergey_shinder_ab2d943365 profile

The hotfix somebody made by hand that our nightly apply reverted

#sergeyshinder #terraform #iac #automation
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The required status check that never ran and blocked nothing
sergey_shinder_ab2d943365 profile

The required status check that never ran and blocked nothing

#sergeyshinder #cicd #devops #testing
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2 min read
The HTTP client with no timeout that took down four services
sergey_shinder_ab2d943365 profile

The HTTP client with no timeout that took down four services

#sergeyshinder #sre #reliability #incident
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The migration that shipped with the code and locked the table for eleven minutes
sergey_shinder_ab2d943365 profile

The migration that shipped with the code and locked the table for eleven minutes

#sergeyshinder #releaseengineering #database #deployment
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The paginated export that silently skipped records every night
sergey_shinder_ab2d943365 profile

The paginated export that silently skipped records every night

#sergeyshinder #api #integration #database
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2 min read
The one percent trace sampling that never captured a single failure
sergey_shinder_ab2d943365 profile

The one percent trace sampling that never captured a single failure

#sergeyshinder #observability #tracing #opentelemetry
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2 min read
The liveness probe that restarted every pod during a database slowdown
sergey_shinder_ab2d943365 profile

The liveness probe that restarted every pod during a database slowdown

#sergeyshinder #kubernetes #containers #reliability
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2 min read
The list element we removed that recreated nine other resources
sergey_shinder_ab2d943365 profile

The list element we removed that recreated nine other resources

#sergeyshinder #terraform #iac #infrastructure
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2 min read
The CI cache key that let one branch poison every build
sergey_shinder_ab2d943365 profile

The CI cache key that let one branch poison every build

#sergeyshinder #cicd #githubactions #devops
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The load test that passed because it was too polite
sergey_shinder_ab2d943365 profile

The load test that passed because it was too polite

#sergeyshinder #sre #performance #reliability
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The artifact we built twice and got two different binaries
sergey_shinder_ab2d943365 profile

The artifact we built twice and got two different binaries

#sergeyshinder #releaseengineering #buildsystem #automation
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2 min read
The certificate our partner rotated without telling anyone
sergey_shinder_ab2d943365 profile

The certificate our partner rotated without telling anyone

#sergeyshinder #api #integration #tls
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2 min read
The debug logging we left on in production for a month
sergey_shinder_ab2d943365 profile

The debug logging we left on in production for a month

#sergeyshinder #logging #observability #monitoring
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2 min read
The container that ignored SIGTERM and dropped every in flight request
sergey_shinder_ab2d943365 profile

The container that ignored SIGTERM and dropped every in flight request

#sergeyshinder #kubernetes #containers #docker
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The Terraform state file that stored our database password in plain text
sergey_shinder_ab2d943365 profile

The Terraform state file that stored our database password in plain text

#sergeyshinder #terraform #iac #security
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2 min read
The pipeline that could deploy to production from any branch
sergey_shinder_ab2d943365 profile

The pipeline that could deploy to production from any branch

#sergeyshinder #cicd #security #devops
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2 min read
The three nines we promised without measuring anything
sergey_shinder_ab2d943365 profile

The three nines we promised without measuring anything

#sergeyshinder #sre #reliability #monitoring
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2 min read
The deploy that needed one person who was on holiday
sergey_shinder_ab2d943365 profile

The deploy that needed one person who was on holiday

#sergeyshinder #automation #deployment #devops
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2 min read
The optional field every consumer treated as required
sergey_shinder_ab2d943365 profile

The optional field every consumer treated as required

#sergeyshinder #api #integration #backend
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The metric label that cost more than the service
sergey_shinder_ab2d943365 profile

The metric label that cost more than the service

#sergeyshinder #observability #monitoring #prometheus
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2 min read
The StatefulSet we kept treating like a Deployment
sergey_shinder_ab2d943365 profile

The StatefulSet we kept treating like a Deployment

#sergeyshinder #kubernetes #containers #database
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The Terraform plan that quietly said destroy
sergey_shinder_ab2d943365 profile

The Terraform plan that quietly said destroy

#sergeyshinder #terraform #infrastructure #devops
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2 min read
The flaky test we retried instead of fixing
sergey_shinder_ab2d943365 profile

The flaky test we retried instead of fixing

#sergeyshinder #cicd #testing #devops
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The Terraform module we made too flexible to use
sergey_shinder_ab2d943365 profile

The Terraform module we made too flexible to use

#sergeyshinder #terraform #infrastructure #devops
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2 min read
The single point of failure we found by accident
sergey_shinder_ab2d943365 profile

The single point of failure we found by accident

#sergeyshinder #sre #reliability #architecture
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The rollback that could not undo the migration
sergey_shinder_ab2d943365 profile

The rollback that could not undo the migration

#sergeyshinder #deployment #database #automation
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The webhook that arrived twice and charged twice
sergey_shinder_ab2d943365 profile

The webhook that arrived twice and charged twice

#sergeyshinder #api #integration #webhooks
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The request we could not follow across four services
sergey_shinder_ab2d943365 profile

The request we could not follow across four services

#sergeyshinder #observability #tracing #monitoring
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The image tag that meant something different every hour
sergey_shinder_ab2d943365 profile

The image tag that meant something different every hour

#sergeyshinder #kubernetes #docker #containers
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The build that only worked on the CI runner
sergey_shinder_ab2d943365 profile

The build that only worked on the CI runner

#sergeyshinder #cicd #devops #docker
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The green build that shipped a broken release
sergey_shinder_ab2d943365 profile

The green build that shipped a broken release

#sergeyshinder #cicd #devops #automation
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The backup that had never once been restored
sergey_shinder_ab2d943365 profile

The backup that had never once been restored

#sergeyshinder #sre #reliability #infrastructure
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The feature flag we forgot to delete
sergey_shinder_ab2d943365 profile

The feature flag we forgot to delete

#sergeyshinder #deployment #automation #devops
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The retry storm we caused ourselves
sergey_shinder_ab2d943365 profile

The retry storm we caused ourselves

#sergeyshinder #api #integration #reliability
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What our averages were hiding from us
sergey_shinder_ab2d943365 profile

What our averages were hiding from us

#sergeyshinder #observability #monitoring #sre
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The rollout that took down the thing it depended on
sergey_shinder_ab2d943365 profile

The rollout that took down the thing it depended on

#sergeyshinder #kubernetes #docker #reliability
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2 min read
Why we split one Terraform state into twenty
sergey_shinder_ab2d943365 profile

Why we split one Terraform state into twenty

#sergeyshinder #terraform #infrastructure #devops
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2 min read
Der Rollback ist wichtiger als das Release
sergey_shinder_ab2d943365 profile

Der Rollback ist wichtiger als das Release

#sergeyshinder #deployment #deutsch #automation
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2 min read
Бюджет помилок навчив мене відпускати
sergey_shinder_ab2d943365 profile

Бюджет помилок навчив мене відпускати

#sergeyshinder #sre #ukrainian #reliability
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1 min read
Автоматизуйте не деплой, а відкат
sergey_shinder_ab2d943365 profile

Автоматизуйте не деплой, а відкат

#sergeyshinder #deployment #ukrainian #automation
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1 min read
Інтеграція, яка не падає разом із чужим сервісом
sergey_shinder_ab2d943365 profile

Інтеграція, яка не падає разом із чужим сервісом

#sergeyshinder #api #ukrainian #integration
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1 min read
Метрики, які я перевіряю о третій ночі
sergey_shinder_ab2d943365 profile

Метрики, які я перевіряю о третій ночі

#sergeyshinder #observability #ukrainian #monitoring
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1 min read
Kubernetes не рятує від того, чого ви не продумали
sergey_shinder_ab2d943365 profile

Kubernetes не рятує від того, чого ви не продумали

#sergeyshinder #kubernetes #ukrainian #docker
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1 min read
Terraform, який рятує вас у поганий день
sergey_shinder_ab2d943365 profile

Terraform, який рятує вас у поганий день

#sergeyshinder #terraform #ukrainian #infrastructure
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1 min read
Пайплайн, який пережив зміну команди
sergey_shinder_ab2d943365 profile

Пайплайн, який пережив зміну команди

#sergeyshinder #cicd #ukrainian #devops
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1 min read
Ретроспектива без поиска виноватых спасла нам команду
sergey_shinder_ab2d943365 profile

Ретроспектива без поиска виноватых спасла нам команду

#sergeyshinder #sre #russian #reliability
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1 min read
Ночные релизы, от которых мы наконец отказались
sergey_shinder_ab2d943365 profile

Ночные релизы, от которых мы наконец отказались

#sergeyshinder #deployment #russian #automation
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1 min read
Ретраи, которые сложили внешний сервис вместо того чтобы спасти
sergey_shinder_ab2d943365 profile

Ретраи, которые сложили внешний сервис вместо того чтобы спасти

#sergeyshinder #api #russian #integration
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1 min read
Мы тонули в алертах и не видели настоящий пожар
sergey_shinder_ab2d943365 profile

Мы тонули в алертах и не видели настоящий пожар

#sergeyshinder #observability #russian #monitoring
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1 min read
Под, который перезапускался каждые сорок секунд
sergey_shinder_ab2d943365 profile

Под, который перезапускался каждые сорок секунд

#sergeyshinder #kubernetes #russian #docker
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1 min read
История о том, как один terraform apply снёс базу
sergey_shinder_ab2d943365 profile

История о том, как один terraform apply снёс базу

#sergeyshinder #terraform #russian #infrastructure
Comments 1
1 min read
Как зелёный пайплайн однажды выкатил сломанный билд
sergey_shinder_ab2d943365 profile

Как зелёный пайплайн однажды выкатил сломанный билд

#sergeyshinder #cicd #russian #devops
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1 min read
La fiabilité se décide avant l'incident, pas pendant
sergey_shinder_ab2d943365 profile

La fiabilité se décide avant l'incident, pas pendant

#sergeyshinder #sre #francais #reliability
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2 min read
Le déploiement en un clic n'existe pas vraiment
sergey_shinder_ab2d943365 profile

Le déploiement en un clic n'existe pas vraiment

#sergeyshinder #deployment #francais #automation
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2 min read
L'intégration qui échoue en silence est la plus dangereuse
sergey_shinder_ab2d943365 profile

L'intégration qui échoue en silence est la plus dangereuse

#sergeyshinder #api #francais #integration
Comments 1
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