August 24, 2018 3:11PM
Introducing ebpf_exporter
Speed & Reliability eBPF Linux ProgrammingIntroducing ebpf_exporter, enabling low level eBPF based metric collection from Linux kernel into Prometheus....
May 13, 2018 4:00PM
Tracing System CPU on Debian Stretch
Speed & Reliability Kafka eBPF LinuxHow an innocent OS upgrade triggered a cascade of issues and forced us into tracing Linux networking internals....
March 05, 2018 4:17PM
Squeezing the firehose: getting the most from Kafka compression
Compression Speed & Reliability KafkaHow Cloudflare was able to save hundreds of gigabits of network bandwidth and terabytes of storage from Kafka....
December 14, 2016 2:25PM
Manage Cloudflare records with Salt
Salt GitHub API DNS ReliabilityWe use Salt to manage our ever growing global fleet of machines. Salt is great for managing configurations and being the source of truth. We use it for remote command execution and for network automation tasks....
December 07, 2016 2:11PM
Debugging war story: the mystery of NXDOMAIN
DNS Reliability NXDOMAINThe following blog post describes a debugging adventure on Cloudflare's Mesos-based cluster. This internal cluster is primarily used to process log file information so that Cloudflare customers have analytics, and for our systems that detect and respond to attacks....