Operations | Monitoring | ITSM | DevOps | Cloud

We run Postgres under an operator for automatic failover. That is a promise about what happens during a failure, so the only way to know you have it is to cause the failure and watch. The docs tell you what should happen. A config review tells you which knobs are set. Neither tells you how long an isolated primary keeps accepting writes after its replacement has been promoted, and that number decides whether a failover is clean or leaves you with two versions of your data.

Dynatrace gives engineering teams deep, real-time visibility into every service they run. That visibility is the foundation of every effective reliability practice, and it's exactly the foundation Gremlin is built to extend. Once you can see how your distributed systems behave today, the next step is knowing how they'll behave under failure tomorrow—and to do it before those failures happen.

Every engineering team eventually hits the same wall: the monitoring stack that was fine six months ago now can't answer the questions you're actually asking during an incident. This isn't a tooling failure, it's a growth mismatch. The right observability platform at 10 engineers is rarely the right one at 100, and the cost of getting that wrong isn't the subscription fee, it's the migration you'll be forced into later, usually mid-incident, usually under pressure.

I wanted a Postgres replica that falls behind its primary. Sounds easy. It wasn't. Every time I cut the replica off from the primary, its lag jumped for a moment and then dropped right back to zero. It just would not stay behind. Chasing down why turned into a fun little tour of how a Postgres standby keeps itself alive, and what CloudNativePG quietly sets up behind the scenes.

Most CVE remediation tools can tell you that a vulnerability could be exploited. Few can confirm whether it actually is. A scanner flags the same CVE in two services and marks both as vulnerable. Only one of them ever runs the flawed code in production. That gap, reachable in theory versus reachable in fact, is the real problem, and static analysis alone cannot close it.

Knowing what you're spending on observability is useful. Knowing which team, service, or project is driving that spend is what actually lets you act on that information. Cost attribution is a core part of how Grafana Cloud approaches cost management and optimization.

Roughly a year ago, I left Honeycomb’s SRE team to join the newly formed Tenant team, which works on our Private Cloud offering. This team held some significant challenges on its roadmap if it wanted to demonstrate that the offering was possible, would be worth the cost, and could be done without representing a heavy tax on the rest of the organization.