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vivo Internet Technology
vivo Internet Technology
Jun 8, 2022 · Cloud Native

Vivo’s Large‑Scale Kubernetes Operator Practice for Multi‑Data‑Center Cluster Management

Vivo replaced error‑prone manual Ansible playbooks with a custom Kubernetes Operator that uses declarative CRDs and modular Ansible scripts to automate the full lifecycle—deployment, scaling, upgrades, and recovery—of thousands of nodes across multiple data‑centers, supported by extensive CI testing and future kubeadm integration.

AnsibleCI/CDOperator
0 likes · 14 min read
Vivo’s Large‑Scale Kubernetes Operator Practice for Multi‑Data‑Center Cluster Management
JD Tech Talk
JD Tech Talk
May 17, 2021 · Databases

Design and Optimization of Multi‑Data‑Center Redis Synchronization

This article describes the challenges of native Redis in multi‑data‑center deployments and presents the design, implementation, and performance evaluation of a custom Redis extension that adds bidirectional synchronization, rlog logging, protocol enhancements, and conflict‑resolution mechanisms to achieve reliable cross‑region active‑active operation.

PerformanceRLogdata synchronization
0 likes · 16 min read
Design and Optimization of Multi‑Data‑Center Redis Synchronization
Tencent Database Technology
Tencent Database Technology
Aug 28, 2019 · Databases

Implementation and Analysis of MongoDB Nearest Mode for Multi-Data Center Deployment

This article explains how MongoDB's nearest mode achieves proximity‑aware reads across multiple data centers by analyzing the internal mongos and driver code, detailing latency collection, smoothing algorithms, node selection logic, and providing configuration recommendations for latency‑sensitive workloads.

Go DriverMongoDBNearest Mode
0 likes · 17 min read
Implementation and Analysis of MongoDB Nearest Mode for Multi-Data Center Deployment
Efficient Ops
Efficient Ops
Jun 10, 2018 · Databases

How MongoDB Enables Active‑Active Multi‑Data‑Center Architectures

This article examines the requirements of active‑active applications across multiple data centers, compares distributed database architectures—including two‑phase commit, multi‑master, and sharded designs—and explains how MongoDB’s sharding and write/read concerns enable high availability, consistency, and rapid failover in such environments.

Distributed DatabasesMongoDBSharding
0 likes · 16 min read
How MongoDB Enables Active‑Active Multi‑Data‑Center Architectures
High Availability Architecture
High Availability Architecture
Dec 18, 2015 · Operations

Weibo's Multi-Data-Center (Active‑Active) Architecture: Experience, Challenges, and Best Practices

The article details Weibo's journey in building a multi‑data‑center active‑active architecture, covering its evolution, technical challenges such as latency and data synchronization, the adopted MCQ‑based messaging solution, operational best practices, and future directions for high‑availability deployments.

High AvailabilityMessagingcaching
0 likes · 16 min read
Weibo's Multi-Data-Center (Active‑Active) Architecture: Experience, Challenges, and Best Practices
Efficient Ops
Efficient Ops
Oct 22, 2015 · Operations

Unlock Hidden Savings: Optimizing Multi‑Data Center Bandwidth Costs

This article examines the characteristics and billing models of multi‑data‑center networks, analyzes external traffic patterns, identifies challenges in optimizing Internet‑facing bandwidth, and proposes practical scheduling strategies to better utilize idle bandwidth and reduce carrier costs.

bandwidth optimizationmulti-data centeroperations
0 likes · 13 min read
Unlock Hidden Savings: Optimizing Multi‑Data Center Bandwidth Costs