TanStack Table V9 is a beta release of a headless UI library for creating tables in various JavaScript frameworks. It features improved state management, memory usage, and extensibility. The...

本文探讨了Elasticsearch 8.x中的索引、主分片、副本及其与Lucene的关系，强调了分片数对集群状态更新的影响，主分片和副本的读写机制，以及通过哈希路由优化数据分布的重要性，最后讨论了分片规划的重要性，以避免过多分片导致的性能问题。

Open source AI has crossed a threshold. For years the debate has centered around whether open models could ever compete with closed ones. This is no longer a debate we should be having. Today...

本文讨论了Flink中RocksDB状态后端的工作机制，包括状态存储、增量检查点和读写路径。RocksDB通过将状态序列化为字节数组存储在本地磁盘，支持增量检查点，从而优化状态管理。文章分析了RocksDB的Column Family与KeyGroup的映射，以及如何通过增量检查点减少I/O开销，并提供了可复现实验步骤以验证相关机制。

本文讨论了Flink中的Keyed State及其管理，介绍了五种状态类型（ValueState、ListState、MapState、ReducingState、AggregatingState）的适用场景和特点。同时分析了HashMapStateBackend与EmbeddedRocksDBStateBackend的优缺点，以及状态的TTL配置和清理策略。最后，提供了状态大小估算的方法，指出滑动窗口和无限MapState可能导致的状态膨胀问题。

North American grocery is opening new battlegrounds—and the game is getting more sophisticated, with winners building hard-to-copy models they can own.

在State of Unreal 2026上，我们分享了虚幻引擎6的愿景，发布了虚幻引擎5.8，推出了开源的下一代版本控制系统Lore，见证了UEFN日益壮大的开发者生态系统，同时预览了Epic游戏商城即将推出的改进。点此了解详情。

By Nipun Kumar, Rajat Shah, Peter ChngIntroductionThis is the first blog post in a multi-part series that shares technical insights into how our ML model serving infrastructure powers several...

By Nipun Kumar, Rajat Shah, Peter ChngIntroductionThis is the first blog post in a multi-part series that shares technical insights into how our ML model serving infrastructure powers several...

pg_plan_advice is expected to land in PostgreSQL 19. That makes this a good moment to look at query hints — what they are, what every other major database does with them, and how PostgreSQL ended...

pg_plan_advice is expected to land in PostgreSQL 19. That makes this a good moment to look at query hints — what they are, what every other major database does with them, and how PostgreSQL ended...

Google announced Aletheia, an AI using Gemini 3 Deep Think that solved 6/10 novel math problems in the FirstProof challenge. Aletheia also scored ~91.9% on IMO-ProofBench, signaling a significant...

一个 OR-Set（Observed-Remove Set）部署在 100 个节点上，每个节点维护的集合包含 10000 个元素。在 state-based CRDT 的经典设计里，每一轮反熵（anti-entropy）同步都要把整个状态发给邻居节点。单个节点的状态序列化后大约 200KB（假设每个元素连同唯一标签占…

Birgitta Böckeler discusses the rapid evolution of AI agents, moving beyond "vibe coding" to sophisticated context engineering. She explains how architectural constraints and "harness engineering"...