cluster upgrade

DeWu Technology

Jul 5, 2024 · Databases

StarRocks 2.5.13 Cross-Cluster Upgrade and Data Migration Practices

The article outlines a cross‑cluster upgrade to StarRocks 2.5.13, evaluating resource and stability costs, and presents two migration schemes—using external tables and a Flink connector—along with planning, parallel execution, validation steps, and results showing successful migration of over 10 TB at 2 Gb/s across ten nodes, while noting future automation and CDC enhancements.

External TableFlinkSQL

0 likes · 15 min read

StarRocks 2.5.13 Cross-Cluster Upgrade and Data Migration Practices

Ops Development Stories

Aug 9, 2022 · Cloud Native

Master Kubernetes Cluster: Install, Upgrade, Backup, and Restore Step‑by‑Step

This comprehensive guide walks you through installing a Kubernetes cluster with kubeadm, configuring containerd, initializing master and worker nodes, deploying Calico networking and the Dashboard, performing upgrades, renewing certificates, adding or removing nodes, and backing up both etcd data and cluster manifests using scripts and Velero.

CalicoKubernetesKubernetes Dashboard

0 likes · 36 min read

Master Kubernetes Cluster: Install, Upgrade, Backup, and Restore Step‑by‑Step

Sohu Tech Products

Dec 22, 2021 · Cloud Native

Zero‑Downtime Upgrade of Large‑Scale Kubernetes Clusters from v1.10 to v1.17

This article details the challenges, strategies, and step‑by‑step procedures for upgrading a 1,000‑node Kubernetes cluster from version 1.10 to 1.17 without service interruption, covering compatibility checks, in‑place versus replacement upgrades, container‑restart avoidance, pod eviction handling, and TCP connection issues.

CNCFKubernetesOperations

0 likes · 22 min read

Zero‑Downtime Upgrade of Large‑Scale Kubernetes Clusters from v1.10 to v1.17

vivo Internet Technology

Dec 16, 2021 · Cloud Native

vivo Kubernetes Cluster Zero-Downtime Upgrade from v1.10 to v1.17: Practices and Solutions

Vivo’s internet team performed a zero‑downtime, in‑place upgrade of a 1,000‑node Kubernetes cluster from v1.10 to v1.17 by analyzing changelogs, backporting fixes, adjusting kubelet hash validation, adding tolerations, ensuring node labels, and using staged binary rollout, completing the process in roughly ten minutes.

Cloud NativeContainer OrchestrationDevOps

0 likes · 19 min read

vivo Kubernetes Cluster Zero-Downtime Upgrade from v1.10 to v1.17: Practices and Solutions

58 Tech

May 28, 2021 · Big Data

Practical Upgrade Experience of Hadoop 3.2.1 in 58.com Data Platform: HDFS, YARN, and MR3

This article details the end‑to‑end upgrade of a 5000‑node Hadoop 2.6.0 cluster to Hadoop 3.2.1 at 58.com, covering HDFS migration, RBF and EC adoption, Yarn federation and rolling upgrades, MR3 integration, extensive compatibility testing, and operational lessons learned for large‑scale big‑data platforms.

Erasure CodingHDFSHadoop

0 likes · 19 min read

Practical Upgrade Experience of Hadoop 3.2.1 in 58.com Data Platform: HDFS, YARN, and MR3

JD Tech

Mar 20, 2021 · Big Data

Implementing Erasure Coding in HDFS: Migration Strategy, Testing Framework, and Data Lifecycle Management

This article details JD's practical experience migrating HDFS to erasure coding, covering the decision between upgrade and porting, the step‑by‑step upgrade and rollback procedures, automated testing, a custom data‑lifecycle management system for hot‑warm‑cold data, and comprehensive data‑integrity safeguards to achieve significant storage cost reductions while maintaining production reliability.

Data Lifecycle ManagementErasure CodingHDFS

0 likes · 17 min read

Implementing Erasure Coding in HDFS: Migration Strategy, Testing Framework, and Data Lifecycle Management

Ops Development Stories

Jan 6, 2021 · Cloud Native

Step-by-Step Guide to Upgrade a Kubernetes Cluster from v1.17.9 to v1.18.9

This tutorial explains how to safely back up a kubeadm‑managed Kubernetes cluster, upgrade the control‑plane from version 1.17.9 to 1.18.9, update master and worker nodes, verify the upgrade, and handle certificate renewal and recovery in case of failures.

BackupCertificatesKubernetes

0 likes · 17 min read

Step-by-Step Guide to Upgrade a Kubernetes Cluster from v1.17.9 to v1.18.9