Sergeyshinder

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Sergey Shinder

Oct 27

We stretched one Alertmanager timer to quiet a disk warning and our payment alert waited behind it

#sergeyshinder #observability #prometheus #alerting

2 min read

Sergey Shinder

Oct 27

Our nightly image rebuild stopped because nobody had pushed to the repository for sixty days

#sergeyshinder #cicd #githubactions #docker

2 min read

Sergey Shinder

Oct 27

We streamed our claims file to save memory and the insurer's gateway asked how long it was

#sergeyshinder #api #integration #python

2 min read

Sergey Shinder

Oct 27

Ansible turned off password logins on every server and sshd read another file first

#sergeyshinder #ansible #linux #security

2 min read

Sergey Shinder

Oct 27

Our ingress saw every visitor as one of our own nodes and let them reach the admin pages

#sergeyshinder #kubernetes #networking #security

2 min read

Sergey Shinder

Oct 16

Kubernetes knew why checkout failed at three in the morning and forgot by four

#sergeyshinder #observability #kubernetes #monitoring

2 min read

Sergey Shinder

Oct 16

Every supplier file with a space in its name was refused as access denied

#sergeyshinder #api #integration #aws

2 min read

Sergey Shinder

Oct 16

Terraform said no changes and our Lambda kept running last month's code

#sergeyshinder #terraform #aws #serverless

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Sergey Shinder

Oct 16

Our routing table outgrew kubectl apply and half a release went out

#sergeyshinder #releaseengineering #kubernetes #kubectl

2 min read

Sergey Shinder

Oct 16

Our autoscaler stopped scaling the day we added a sidecar without a CPU request

#sergeyshinder #kubernetes #autoscaling #containers

2 min read

Sergey Shinder

Oct 16

Our build cache was saved once in January and never again

#sergeyshinder #cicd #githubactions #maven

2 min read

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 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

2 min read

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