PinnedHungWei ChiuWhy does my 2vCPU application run faster in a VM than in a container?Why CPU Throttling hurts my application when I have more threadas in my application?15 min read·Dec 19, 2023--12--12
HungWei ChiuPreviewing K8s Pod Deployment with Cluster CapacityThis article introduces a tool that can be used to evaluate how many target Pods can be deployed with the current cluster resources…6 min read·Feb 18, 2024----
HungWei ChiuNginx Reverse Proxy DNS IssueThis article documents the DNS issue encountered when using Nginx as a Reverse Proxy.5 min read·Jan 21, 2024--1--1
HungWei ChiuDifferences Between “>file 2>&1” and “2>&1 >file” in Bash RedirectionThis article is intended to document several common methods of output redirection in Bash, like output stdout and stderr to the same file.5 min read·Dec 14, 2023--6--6
HungWei ChiuExploring Kubernetes DeschedulerThis article documents what Kubernetes Descheduler is and how to use this project to balance workloads running on Kubernetes.6 min read·Nov 12, 2023--3--3
HungWei ChiuWhat are the Differences Between VPA, HPA, CA, and CPA in Kubernetes?Kubernetes offers various automatic scaling mechanisms, such as HPA, VPA, CPA and CA, what’s the differnet between them?5 min read·Oct 28, 2023----
HungWei ChiuDevOps — Real Challenges in ImplementationWhat does DevOps entail, and what challenges can we anticipate during its implementation?5 min read·Oct 15, 2023----
HungWei ChiuPreventing Container Image Deletion by Kubelet GCThis article outlines how to preserve container images on nodes, bypassing the Kubelet image garbage collection (GC) phase.6 min read·Oct 8, 2023----
HungWei ChiuExploring Kubernetes 1.28 Sidecar Container SupportExplore how to simplify all previous operations using Kubernetes 1.28 Native Sidecar Container support.8 min read·Sep 30, 2023--2--2
HungWei ChiuSpark SQL, ThriftServer, GCS in Kubernetes.Outlines Spark SQL & Thrift Server installation on Kubernetes in GKE, using GCS as data source, and JDBC for communication.9 min read·Sep 23, 2023--1--1