SREcon23 Americas - Logs Told Us It Was DNS, It Looked like DNS, It Had to Be DNS, It Wasn't DNS

Logs Told Us It Was DNS, It Looked like DNS, It Had to Be DNS, It Wasn't DNS

Hemanth Malla and Elijah Andrews, Datadog

It all started with a team reaching out because they had DNS issues during rolling updates. Business as usual… Four weeks later: We are reading kernel code to understand the corner cases of dropping Martian packets. Could this be the connection between gRPC client reconnect algorithms and the overflowing conntrack table we can feel but not …

algorithms americas business business as usual cases client code datadog dns grpc kernel logs packets team understand updates