Jun 2, 2020 · Cloud Native

Why Kubernetes Deployments Cause Service Outages and How to Prevent Them

This article explains why a typical Deployment + LoadBalancer setup can experience downtime during updates, analyzes the pod lifecycle, endpoint synchronization, iptables/ipvs and SLB interactions, and provides concrete configuration steps—including readiness probes, preStop hooks, and Service traffic policies—to achieve zero‑downtime deployments.

Cluster ModeDeploymentENI

0 likes · 12 min read

Why Kubernetes Deployments Cause Service Outages and How to Prevent Them

Architect

Apr 17, 2017 · Big Data

Understanding Apache Spark Architecture: RDD, Computation Model, Cluster Modes, RPC, and Core Components

This article provides a comprehensive overview of Apache Spark's architecture, covering its RDD abstraction, computation model, various cluster deployment modes, RPC communication layer, startup procedures, core components, interaction flows, and block management for broadcast variables.

Apache SparkBig DataCluster Mode

0 likes · 15 min read

Understanding Apache Spark Architecture: RDD, Computation Model, Cluster Modes, RPC, and Core Components