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Outage Dissections
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So, the outage is mitigated, now what?
Getting the service up is P0 during the outage, but that is not all.
Aug 13, 2022
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Arpit Bhayani
1
Control an outage by localizing the failures
Outages are inevitable; but we should design our architecture and ensure that if a component is down, it should not lead to a complete outage.
Aug 11, 2022
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Arpit Bhayani
1
Dissecting GitHub Outage - Multiple Leaders in Zookeeper Cluster
The split-brain problem in Distributed Systems is not theoretical.
Aug 6, 2022
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Arpit Bhayani
2
Dissecting GitHub Outage - How databases are managed in production
Managing databases in production is not easy and it does require a lot of tooling to keep it up and running.
Aug 4, 2022
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Arpit Bhayani
3
Dissecting GitHub Outage - Downtime due to Rate Limiter
Rate Limiters are supposed to avoid downtimes, but what if they turn out to be the root cause of a major outage?
Jul 30, 2022
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Arpit Bhayani
3
Dissecting GitHub Outage - When master failover failed
Master failover failed for GitHub leading to a 5-hour long incident, let's see what happened.
Jul 28, 2022
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Arpit Bhayani
4
Dissecting GitHub Outage - Downtime GitHub thought they avoided
GitHub thought they avoided an outage by fixing a possible root cause 6 months in advance, but fate had different plans.
Jul 16, 2022
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Arpit Bhayani
4
Dissecting GitHub Outage Downtime due to creating an Index
Imagine you created an index on a table and instead of boosting the performance, it lead to an outage 🤦♂️ GitHub ran a migration to reverse an index…
Jul 12, 2022
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Arpit Bhayani
2
Dissecting GitHub Outage - Repository Creation Failed due to secret scanning service
Just imagine you trying to create a repository on GitHub and it is not working, and this happened to GitHub in April 2021 when their users were not able…
Jul 9, 2022
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Arpit Bhayani
2
Dissecting GitHub Outage: Downtime due to an Edge Case
An edge case took down GitHub 🤯
Jun 28, 2022
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Arpit Bhayani
2
ALTER TABLE taking down GitHub
Can an ALTER TABLE command take down your production?
Jun 14, 2022
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Arpit Bhayani
Engineering deep-dive into Atlassian's Mega Outage of April 2022
In April 2022, Atlassian suffered a major outage where they "permanently" deleted the data for 400 of their paying cloud customers, and will take them…
May 21, 2022
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Arpit Bhayani
7
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