Explore a conference talk from Pulsar Summit SF 2022 that demonstrates how to validate Apache Pulsar's performance and reliability guarantees in Kubernetes deployments under various failure scenarios. Learn to use Chaos Mesh for injecting network and infrastructure failures, while measuring system recovery time, availability impact, throughput changes, and latency variations. Discover methods to verify message integrity, ordering preservation, and system resilience during component failures and availability zone outages. Gain practical insights into implementing testing tools and validation practices to ensure your Apache Pulsar deployment maintains its promised high availability and distributed messaging capabilities even under adverse conditions.