InfoQ Homepage migration Content on InfoQ
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How Meta Rebuilt Data Ingestion for Petabyte-Scale Reliability
The engineering team at Meta recently outlined how the company migrated a data ingestion platform that transfers several petabytes of MySQL social graph data daily to improve reliability and operational efficiency. The team used techniques like reverse shadowing and continuous checksum monitoring to ensure zero downtime during the transition.
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AI-Assisted Migration Tool Helps Teams Move from ingress-nginx to Higress in Minutes
The Cloud Native Computing Foundation has highlighted a new AI-assisted migration approach that enabled engineers to migrate 60 ingress-nginx resources to Higress in roughly 30 minutes, demonstrating how artificial intelligence is increasingly being applied to modernize Kubernetes networking and gateway infrastructure.
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Airbnb Implements Context-Aware Identity Model to Support Privacy-First Social Features
Airbnb has redesigned its identity system to support privacy-first social features in Experiences. The platform introduces context-specific profiles that separate global user identity from externally visible profiles, preventing cross-context linkage. The migration leveraged automated auditing, manual validation, and AI-assisted refactoring to enforce correct identity usage across services.
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Uber Migrates 75,000+ Test Classes from Junit 4 to Junit 5 Using Automated Code Transformation
Uber engineers migrated over 75,000 test classes from JUnit 4 to JUnit 5 using automated code transformation with OpenRewrite and internal orchestration. By enabling the JUnit Platform for dual execution with Bazel and validating changes through CI, the team modernized testing infrastructure while maintaining correctness at monorepo scale.
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Uber’s Hive Federation Decentralizes 16K Datasets and 10+ PB for Zero-Downtime Analytics at Scale
Uber has decentralized its Hive data warehouse, migrating 16,000 datasets totaling over 10 petabytes using pointer-based federation. The migration ensures zero downtime, strict ACL enforcement, improved governance, and scalable, domain-specific datasets for analytics and machine learning workloads.
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Netflix Automates RDS PostgreSQL to Aurora PostgreSQL Migration across 400 Production Clusters
Netflix engineers describe an internal automation platform that migrates nearly 400 RDS PostgreSQL clusters to Aurora, reducing downtime and operational risk. The platform coordinates replication, CDC handling, controlled cutover, and rollback, while supporting service teams in a self-service migration workflow.
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Architectural Lessons From Patreon's Year in Review
In 2025, Patreon’s engineering team expertly balanced feature delivery for 10M+ members with vital infrastructure upgrades. Their Year in Review highlights 12 projects focused on maintenance and evolution, emphasizing resilient migration, data model refactoring, and strategic consistency trade-offs, ultimately redefining backend operations while enhancing system reliability and performance.
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Lessons Learned from Migrating a Legacy Test Suite to Gauge with Kotlin
Liran Yushinsky shared how his team replaced brittle bash and kubectl tests with a unified Kotlin + Gauge framework. Using Fabric8, Terraform, and Ansible, they automated their test environments. Feedback loops dropped from hours to minutes, developers joined testing efforts, and shared ownership boosted quality and release speed.
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Reddit Migrates Comment Backend from Python to Go Microservice to Halve Latency
Reddit has rebuilt its core backend, migrating Comments, Accounts, Posts, and Subreddits from a legacy Python monolith to Go microservices. The migration improves performance, halves critical write latency, and modernizes the platform for future scalability while preserving correctness across multiple datastores.
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Groundcover Takes Aim at Datadog with Observability Migration Tool
Observability platform company Groundcover has launched a new migration tool to help organisations move their observability stacks from other vendors (such as Datadog) to its own platform. The company is claiming that organisations can migrate metrics, dashboards and monitors with full automation, and without needing any downtime nor consultants.
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Stripe's Zero-Downtime Data Movement Platform Migrates Petabytes with Millisecond Traffic Switches
At QCon SF, a Stripe engineer presented the company's Zero-Downtime Data Movement Platform, a system enabling petabyte-scale database migrations with traffic switches that typically complete in milliseconds. The platform supports Stripe's infrastructure, handling 5 million database queries per second while maintaining 99.9995% reliability for $1.4 trillion in annual transactions.
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Airbnb’s Mussel V2: Next-Gen Key Value Storage to Unify Streaming and Bulk Ingestion
Airbnb’s engineering team re-architected its internal key-value storage system, Mussel, to unify streaming and bulk ingestion while simplifying operations, achieving over 100,000 writes per second and sub-25ms read latencies on 100-terabyte tables, while leveraging Kubernetes, Kafka, and a NewSQL backend to improve scalability, reliability, and operational efficiency across its internal services.
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Pinterest Uncovers Rare Search Failure During Migration to Kubernetes
Pinterest engineers recently disclosed how they debugged an exceptionally rare "one-in-a-million" failure encountered while migrating their search infrastructure to Kubernetes, a move aimed at modernizing operations and improving scalability.
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Amazon EVS Offers Enterprises a New Path for VMware Workload Migration
AWS has launched Amazon Elastic VMware Service (EVS), enabling rapid deployment of VMware Cloud Foundation within Amazon VPC. Users can leverage existing VMware expertise without re-architecting, optimizing their virtualization stack seamlessly. With competitive pricing and full root access, EVS empowers businesses amidst VMware licensing changes, supporting efficient migration and modernization.
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From C to Rust: inside Meta’s Developer-Led Messaging Migration
Meta has begun rewriting its mobile messaging infrastructure in Rust, gradually replacing a legacy C codebase that engineers say had become increasingly difficult to maintain and frustrating to work with.