The Downtime Project

Tom Kleinpeter and Jamie Turner

Tom and Jamie talk through the postmortems of outages that have affected high profile sites.

  1. 22.06.2021

    7 Lessons From 10 Outages

    After 10 post-mortems in their first season, Tom and Jamie reflect on the common issues they’ve seen. Click through for details! Summing Up Downtime We’re just about through our inaugural season of The Downtime Project podcast, and to celebrate, we’re reflecting back on recurring themes we’ve noticed in many of the ten outages we’ve poured […]

    46 мин.

  2. 31.05.2021

    Salesforce Publishes a Controversial Postmortem (and breaks their DNS)

    On May 11, 2021, Salesforce had a multi hour outage that affected numerous services.  Their public writeup was somewhat controversial — it’s the first one we’ve done on this show that called out the actions of a single individual in a negative light. The latest SRE Weekly has a good list of some different articles […]

    41 мин.

  3. 25.05.2021

    Kinesis Hits the Thread Limit

    During a routine addition of some servers to the Kinesis front end cluster in US-East-1 in November 2020, AWS ran into an OS limit on the max number of threads. That resulted in a multi hour outage that affected a number of other AWS servers, including ECS, EKS, Cognito, and Cloudwatch. We probably won’t do […]

    45 мин.

  4. 17.05.2021

    How Coinbase Unleashed a Thundering Herd

    In November 2020, Coinbase had a problem while rotating their internal TLS certificates and accidentally unleashed a huge amount of traffic on some internal services. This was a refreshingly non-database related incident that led to an interesting discussion about the future of infrastructure as code, the limits of human code review, and how many load […]

    38 мин.

  5. 10.05.2021

    Auth0’s Seriously Congested Database

    Just one day after we released Episode 5 about Auth0’s 2018 outage, Auth0 suffered a 4 hour, 20 minute outage that was caused by a combination of several large queries and a series of database cache misses.  This was a very serious outage, as many users were unable to log in to sites across the […]

    1 мин.

  6. 03.05.2021

    Talkin’ Testing with Sujay Jayakar

    Tom was feeling under the weather after joining Team Pfizer last week, so today we have a special guest episode with Sujay Jayakar, Jamie’s co-founder and engineer extraordinaire. While it’s great to respond well to an outage, it’s even better to design and test systems in such a way that outages don’t happen. As we […]

    30 мин.

  7. 26.04.2021

    GitHub’s 43 Second Network Partition

    In 2018, after 43 seconds of connectivity issues between their East and West coast datacenters and a rapid promotion of a new primary, GitHub ended up with unique data written to two different databases. As detailed in the postmortem, this resulted in 24 hours of degraded service. This episode spends a lot of time on […]

    53 мин.

  8. 19.04.2021

    Auth0 Silently Loses Some Indexes

    Auth0 experienced multiple hours of degraded performance and increased error rates in November of 2018 after several unexpected events, including a migration that dropped some indexes from their database. The published post-mortem has a full timeline and a great list of action items, though it is curiously missing a few details, like exactly what database […]

    47 мин.
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Tom and Jamie talk through the postmortems of outages that have affected high profile sites.

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    Tom Kleinpeter and Jamie Turner
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    2 тыс.
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