Sharded Synchronization in High-Frequency Write-Heavy Systems

Explore container synchronization strategies for high-frequency write-heavy systems in this 15-minute conference talk from Conf42 DevOps 2025. Learn why proper synchronization is critical and examine common challenges faced in modern distributed systems. Follow along as Aleksander Iskhakov presents a practical transactional cache example, demonstrating synchronization evolution from basic mutex implementation to readers-writer locks. Discover how to optimize performance in write-heavy environments through sharding techniques, complete with detailed performance test results. The presentation concludes with actionable takeaways and resources for implementing efficient synchronization patterns in your own systems.