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The latest AI and developer news from 11st, with short summaries.

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NEW11st Unveils THOR, a Presentation Data Platform That Updates 350 Million Product Records Near-Real-Time

It processes over 1 billion messages per day to provide product information optimized for presentation screens.

·2026.11.12 00:00

The Display Server Reaches Its Limit, and Our Answer

11st raised TPS from 65.9K to 87.9K by distributing MongoDB connection recreation and optimizing the connection pool.

·2025.11.26 00:00

A Retrospective on a Memory Issue Caused by Growing Micrometer Objects

Accumulated Micrometer tags from Spring Boot 3's LoadBalancer caused Old-generation memory to increase.

·2025.05.29 00:00

Why 11kittiz Chose XState for Their Game

By using XState to clearly separate state transitions, they improved automatic progression and quality of the game logic.

·2025.04.16 08:00

A Galactic Voyage Log: Navigating Toward Good-Quality Code in a Search Service

The 11st search frontend redesigned its structure around minimal units of responsibility and explicit rules.

·2024.11.25 00:00

Retrospective on Exhibition Deal Internalization Project: MongoDB-based Data Construction and API Improvement

Migrating Deal lookups from Oracle to MongoDB improved performance and operability.

·2024.06.07 00:00

Asynchronous Processing with Java CompletableFuture

CompletableFuture turns sequential execution into asynchronous processing to improve performance and stability.

·2024.01.04 00:00

Zero-Downtime Deployment for Spring Batch Using Symbolic Links

By separating deployment jars using symbolic links, zero-downtime deployment was achieved even while a Job is running.

·2023.12.11 00:00

Feature Flag - The Key to Safe and Reliable Deployment 🔑

Feature Flags decouple feature rollout from rollback to reduce the risk of Production deployments.

·2023.11.07 00:00

11st Intern's Catalog Review API Improvement Story

By reducing the limits of local cache through **global cache** and asynchronous updates, response time and DB load were improved.

·2023.07.19 00:00

Service Discovery DR Configuration Part 3 - Exploring Spring Cloud LoadBalancer for Zone Failover in eurekube-operator

Cache-based Zone Failover completes eurekube-operator's response to Eureka failures.

·2023.01.16 00:00