The trade-offs behind the Rust agent: tiny binary, low overhead, brutal compile times, and the FFI dance with eBPF that took six weeks to get right.

How a single one-line change in the ingestion path broke time-window queries for 17 seconds across Frankfurt and us-east-1, and the three guard-rails added after.

The architecture behind the 4.2 eBPF profiling release, the overhead numbers in production conditions, and why it is enabled by default on the Team tier.

How Pareto Banking, a Greek systemic bank, migrated 380 services without an outage and cut their observability bill 61%. With the migration run-book.

Side-by-side queries for the same ten use cases. Where DQL wins, where it does not, and the one class of query that still has no clean answer.

The three talks from KubeCon EU that changed how we think about cardinality management, and the CFP we submitted for the next cycle.