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Our disaster recovery copies were in the same region as the originals
sergey_shinder_ab2d943365 profile

Our disaster recovery copies were in the same region as the originals

#sergeyshinder #terraform #iac #aws
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2 min read
A hung test held the only runner allowed to deploy our hotfix
sergey_shinder_ab2d943365 profile

A hung test held the only runner allowed to deploy our hotfix

#sergeyshinder #cicd #githubactions #testing
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2 min read
Our deploy tool decided that 2.9.0 was newer than 2.10.0
sergey_shinder_ab2d943365 profile

Our deploy tool decided that 2.9.0 was newer than 2.10.0

#sergeyshinder #releaseengineering #versioning #automation
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2 min read
Every cache entry we warmed at deploy expired in the same minute
sergey_shinder_ab2d943365 profile

Every cache entry we warmed at deploy expired in the same minute

#sergeyshinder #sre #reliability #caching
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2 min read
Every order paid in yen looked a hundred times underpaid
sergey_shinder_ab2d943365 profile

Every order paid in yen looked a hundred times underpaid

#sergeyshinder #api #payments #integration
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2 min read
Which service lost its logs depended on who wrote first after midnight
sergey_shinder_ab2d943365 profile

Which service lost its logs depended on who wrote first after midnight

#sergeyshinder #observability #logging #elasticsearch
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Every pod on the node was ready and none of them could open a connection
sergey_shinder_ab2d943365 profile

Every pod on the node was ready and none of them could open a connection

#sergeyshinder #kubernetes #linux #networking
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The partner recovered in four minutes and our circuit breaker kept them out for three hours
sergey_shinder_ab2d943365 profile

The partner recovered in four minutes and our circuit breaker kept them out for three hours

#sergeyshinder #sre #reliability #resilience
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2 min read
We switched traffic to green and blue kept doing the work
sergey_shinder_ab2d943365 profile

We switched traffic to green and blue kept doing the work

#sergeyshinder #releaseengineering #deployment #devops
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2 min read
Four in ten of our requests were our own health checks
sergey_shinder_ab2d943365 profile

Four in ten of our requests were our own health checks

#sergeyshinder #observability #monitoring #sre
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2 min read
The plan said update in place and our database failed over at half past ten
sergey_shinder_ab2d943365 profile

The plan said update in place and our database failed over at half past ten

#sergeyshinder #terraform #iac #aws
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2 min read
We moved our webhook and the partner's POSTs arrived as empty GETs
sergey_shinder_ab2d943365 profile

We moved our webhook and the partner's POSTs arrived as empty GETs

#sergeyshinder #api #webhooks #integration
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2 min read
Our service became PID 1 and never collected its dead children
sergey_shinder_ab2d943365 profile

Our service became PID 1 and never collected its dead children

#sergeyshinder #docker #kubernetes #linux
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2 min read
Our p99 could never go above two and a half seconds
sergey_shinder_ab2d943365 profile

Our p99 could never go above two and a half seconds

#sergeyshinder #observability #monitoring #prometheus
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2 min read
Our database was fast for six hours and then it ran out of credit
sergey_shinder_ab2d943365 profile

Our database was fast for six hours and then it ran out of credit

#sergeyshinder #sre #reliability #database
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2 min read
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