Operations
2 articles
·
25 min read
How IstioD Manages Configuration at Scale: A Deep Dive into XDS
How istiod translates Istio resources into Envoy xDS configuration, why it's fast, what makes it slow, how to scale it, and which metrics matter most.
istio
istiod
xds
envoy
performance
scalability
operations
·
19 min read
Envoy config_dump Demystified: Follow the Packet Through Every Section
Trace an HTTP request through every section of Envoy's config_dump — from iptables capture to upstream delivery — and learn which Istio resources control each piece.
envoy
istio
debugging
xds
operations