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Uber Redesigns M3DB Sharding with Subclusters to Limit Failure Impact

Uber has redesigned shard placement in M3DB with fixed size subclusters to limit the impact of node failures, maintenance, and cluster scaling. The…

Database Database Replication Load Balancing Sharding Availability Distributed Systems Clusters Scalability Time Series Data Open Source Uber Microservices Algorithms Fault Tolerance DevOps Architecture & Design Development news

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Agoda Replaces 72-Shard SQL Server Price Cache with DragonflyDB

Agoda migrated its 1.5 TB hotel Price Cache from 72 SQL Server shards to DragonflyDB to handle growing read and write volumes. The migration used st…

Prometheus Caching SQL Server Microservices Distributed Systems Redis A/B Testing Distributed Cache Distributed Data DevOps Development Architecture & Design news

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Presentation: Understanding Progressive Collapse: How To Avoid A Cascading Failure

Sam Newman discusses the concept of progressive collapse in civil engineering and how it applies to distributed systems. Using real-world examples -…

Distributed Systems QCon London 2026 Microservices Resilience Cloud Architecture Failure Fault Tolerance Transcripts Development DevOps Architecture & Design presentation

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Inside Google’s System for Coordinated A/B Testing Across Its Global Service Fleet

Google has shared details of its fleet wide large scale A/B experimentation system designed to standardize experiment assignment, exposure logging,…

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