InfoQ Homepage migration Content on InfoQ
-
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.
-
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.
-
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.
-
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.
-
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.
-
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.
-
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.
-
Uber Completes Massive Kubernetes Migration for Microservices and Large-Scale Compute Workloads
Uber has successfully completed a large Kubernetes migration, transitioning its entire compute platform from Apache Mesos to Kubernetes across multiple data centers and cloud environments.
-
How Allegro Does Automated Code Migrations for over 2000 Microservices
Allegro shared the details of the process it uses to manage code migrations at scale. The company combined GitHub’s Dependabot and OpenRewrite projects into a custom solution that helps developers perform mundane code migration tasks automatically across numerous source code repositories. The company tackled many edge cases to ensure the process operates smoothly, relieving initial trust issues.
-
Learnings from Internal Tool Migrations to Support Software Engineering Efficiency
In her presentation at QCon San Francisco, Ying Dai shared two critical software engineering migration stories - one focused on production monitoring and the other on production deployments with automated validations. Both migrations were driven by the goal of enhancing engineering efficiency, but each came with its own challenges and lessons.
-
Agoda’s Unconventional Client-First Transition from a GraphQL Monolith to Microservices
Agoda recently described their innovative approach to transitioning from a monolithic GraphQL API to a microservices architecture. Unlike traditional methods focusing on breaking down server-side components first, Agoda adopted a client-first strategy, preparing their client applications to handle both the monolith and the microservices in parallel using an in-house smart orchestrator library.
-
Expedia Migrates a Massive Cassandra Cluster to ScyllaDB with Zero Downtime
Expedia Group, a global travel technology company that manages over 70 TB of data, disclosed its process of migrating Cassandra clusters with over 50 tables and thousands of connections to ScyllaDB. The primary motivation for this migration is to leverage ScyllaDB's built-in Change Data Capture (CDC) capabilities for improved data consistency and reduced operational complexity.
-
Planning, Automation and Monorepo: How Monzo Does Code Migrations Across 2800 Microservices
Monzo products are supported by an extensive microservice-based platform of over 2800 services. The company relies on planning and heavy automation to drive code migrations at scale and leverages config service to support gradual roll forwards and quick rollbacks in case of issues. Migrations are managed by a central team rather than service owner teams to avoid delays and inconsistencies.
-
KubeCon EU: Mercedes-Benz’s Migration From Pod Security Policies to Validation Admission Policies
During KubeCon EU the Mercedes Benz team presented their migration journey from Pod Security Policies to Validation Admission Policies to secure their 1000+ Kubernetes clusters. The solution was chosen in favour of Kyverno due to its improved performance.
-
QCon London: gRPC Migration Automation at LinkedIn
At QCon London 2024, Karthik Ramgopal and Min Chen described how AI helped LinkedIn change the remote procedure calls (RPC) protocol for 50,000 production endpoints from Rest.li to Google's gRPC. A planned 2-3 year manual migration turned into an AI-supported migration lasting 2-3 quarters. It changed 20 million lines of code across 2000 services – without business interruption.