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Tom Kleinpeter And Jamie Turner

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The Downtime ProjectThe Downtime Project7 Lessons From 10 OutagesAfter 10 post-mortems in their first season, Tom and Jamie reflect on the common issues they’ve seen. This is the last episode for a bit, but don’t worry, they’ll be back with more outages soon.2021-06-2246 minThe Downtime ProjectThe Downtime Project7 Lessons From 10 OutagesAfter 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 […]2021-06-2246 minThe Downtime ProjectThe Downtime ProjectSalesforce 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 […]2021-05-3140 minThe Downtime ProjectThe Downtime ProjectSalesforce 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 […]2021-05-3140 minThe Downtime ProjectThe Downtime ProjectKinesis Hits the Thread LimitDuring 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 […]2021-05-2544 minThe Downtime ProjectThe Downtime ProjectKinesis Hits the Thread LimitDuring 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 […]2021-05-2544 minThe Downtime ProjectThe Downtime ProjectHow Coinbase Unleashed a Thundering HerdIn 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 […]2021-05-1738 minThe Downtime ProjectThe Downtime ProjectHow Coinbase Unleashed a Thundering HerdIn 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 […]2021-05-1738 minThe Downtime ProjectThe Downtime ProjectAuth0’s Seriously Congested DatabaseJust 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 […]2021-05-1001 minThe Downtime ProjectThe Downtime ProjectAuth0’s Seriously Congested DatabaseJust 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 […]2021-05-1001 minThe Downtime ProjectThe Downtime ProjectTalkin’ Testing with Sujay JayakarTom 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 […]2021-05-0429 minThe Downtime ProjectThe Downtime ProjectTalkin’ Testing with Sujay JayakarTom 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 […]2021-05-0429 minThe Downtime ProjectThe Downtime ProjectGitHub’s 43 Second Network PartitionIn 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 […]2021-04-2653 minThe Downtime ProjectThe Downtime ProjectGitHub’s 43 Second Network PartitionIn 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 […]2021-04-2653 minThe Downtime ProjectThe Downtime ProjectAuth0 Silently Loses Some IndexesAuth0 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 […]2021-04-1947 minThe Downtime ProjectThe Downtime ProjectAuth0 Silently Loses Some IndexesAuth0 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 […]2021-04-1947 minThe Downtime ProjectThe Downtime ProjectOne Subtle Regex Takes Down CloudflareOn July 2, 2019, a subtle issue in a regular expression took down Cloudflare (and with it, a large portion of the internet) for 30 minutes.2021-04-1254 minThe Downtime ProjectThe Downtime ProjectOne Subtle Regex Takes Down CloudflareOn July 2, 2019, a subtle issue in a regular expression took down Cloudflare (and with it, a large portion of the internet) for 30 minutes.2021-04-1254 minThe Downtime ProjectThe Downtime ProjectMonzo’s 2019 Cassandra OutageMonzo experienced some issues while adding servers to their Cassandra cluster on July 29th, 2019. Thanks to some good practices, the team recovered quickly and no data was permanently lost.2021-04-0543 minThe Downtime ProjectThe Downtime ProjectMonzo’s 2019 Cassandra OutageMonzo experienced some issues while adding servers to their Cassandra cluster on July 29th, 2019. Thanks to some good practices, the team recovered quickly and no data was permanently lost.2021-04-0543 minThe Downtime ProjectThe Downtime ProjectGitlab’s 2017 Postgres OutageOn January 31st, 2017, Gitlab experienced 24 hours of downtime and some data loss. After it was over, the team wrote a fantastic post-mortem about the experience. Listen to Tom and Jamie walk through the outage and opine on the value of having a different color prompt on machines in your production environment. Tom: [00:00:00] […]2021-03-2850 minThe Downtime ProjectThe Downtime ProjectSlack vs TGWsSlack was down for about 1.5 hours on the first day everyone was back in their (virtual) office in 2021, Jan 4th. Listen to Tom and Jamie walk through the timeline, complain about Linux's default file descriptor limit, and talk about some lessons learned.2021-03-2049 minThe Downtime ProjectThe Downtime ProjectIntroductionWelcome to The Downtime Project! Here is a quick episode where Tom and Jamie talk about why they created the show and what you can expect.2021-03-2004 min