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Backend Migration

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Sohu Tech Products
Sohu Tech Products
Aug 14, 2024 · Backend Development

Root Cause Analysis of Zookeeper‑Dubbo Failure and Automated Migration of Dubbo Services to Spring Cloud

The article diagnoses a 2023 Dubbo outage caused by Zookeeper’s jute.maxbuffer limit being exceeded by millions of temporary nodes, explains why Zookeeper’s CP model is ill‑suited for service registries, and outlines an automated migration to Spring Cloud using generated REST controllers and proxies that achieve comparable performance, especially for larger payloads.

Backend MigrationDubboSpring Cloud
0 likes · 22 min read
Root Cause Analysis of Zookeeper‑Dubbo Failure and Automated Migration of Dubbo Services to Spring Cloud
Xianyu Technology
Xianyu Technology
Oct 27, 2021 · Backend Development

Migrating Idlecenter: Code and Traffic Migration Strategies for Large-Scale Backend Services

The migration of Xianyu’s legacy Idlecenter service split into code migration—defining clear RPC‑service boundaries, moving middleware together, and avoiding refactoring—and traffic migration using HSF routing to shift load transparently, enabling gray releases, observability, sub‑second rollbacks, cutting effort to one person‑week per service with zero faults and a reusable checklist.

Backend MigrationHSFMicroservices
0 likes · 9 min read
Migrating Idlecenter: Code and Traffic Migration Strategies for Large-Scale Backend Services
Beike Product & Technology
Beike Product & Technology
Jul 16, 2020 · Backend Development

Migrating PHP Services to Golang: Performance Optimization and Concurrency Practices

This article details a real‑world migration from PHP to Golang for a high‑traffic mini‑program backend, explaining the performance bottlenecks of PHP, the advantages of Go such as goroutine concurrency and low‑memory footprint, the step‑by‑step implementation, caching strategy, monitoring, tooling, and the measurable latency and stability improvements achieved.

Backend MigrationCachingConcurrency
0 likes · 14 min read
Migrating PHP Services to Golang: Performance Optimization and Concurrency Practices
High Availability Architecture
High Availability Architecture
Dec 4, 2018 · Backend Development

Zhihu’s Migration from Python to Go: Architecture, Process, and Lessons Learned

Zhihu’s backend team migrated high‑traffic services from Python to Go, detailing the motivations, step‑by‑step migration process, performance gains, project structure, testing practices, static analysis, and operational lessons such as graceful traffic shifting and service deprecation.

Backend MigrationGoMicroservices
0 likes · 14 min read
Zhihu’s Migration from Python to Go: Architecture, Process, and Lessons Learned
Art of Distributed System Architecture Design
Art of Distributed System Architecture Design
May 10, 2015 · Backend Development

Migrating Whitepages Services from Ruby to Scala and Akka: Performance Gains and Lessons Learned

Whitepages migrated several high‑traffic services from a Ruby monolith to Scala running on the Akka actor framework, achieving dramatically lower latency and higher throughput while sharing the practical benefits, challenges, and best‑practice insights they discovered during the transition.

AkkaBackend MigrationPerformance
0 likes · 6 min read
Migrating Whitepages Services from Ruby to Scala and Akka: Performance Gains and Lessons Learned