If you have ever been in the middle of a database migration and suddenly found your logical replication slots missing, you know how unsettling that feeling is. No obvious error. No warning. Just...

Introduction Replication performance depends on every stage in the pipeline, from the source database to transport and ultimately to commit on the replica. On the replica side, much of that...

Patroni is a widely used solution for managing PostgreSQL high availability. It provides a robust framework for automatic failover, cluster management, and operational simplicity in PostgreSQL...

Introduction PostgreSQL has built-in support for logical replication. Unlike streaming replication, which works at the block level, logical replication replicates data changes based on...

Monitoring MySQL HeatWave Replication Using OCI Database Management Custom Alarms

Logical replication is a versatile feature offered in PostgreSQL. I have discussed the the theoretical background of this feature in detail in my POSETTE talk. At the end of the talk, I emphasize...

The latest update to MySQL Enterprise Edition, version 9.3, introduces a significant enhancement focused on improving primary selection on failover. This update includes an improvement to Group...

本研究提出了MetaScenes，一个大型3D场景数据集和Scan2Sim模型，旨在减少对人工设计的依赖，提高3D场景创建效率，并增强嵌入式人工智能的能力。

本研究跟踪DeepSeek-R1发布100天后的复现研究，探讨监督微调和基于可验证奖励的强化学习的进展，揭示数据准备和方法设计的重要发现，推动推理语言模型的进一步探索与应用。

Automatic Health Check in MySQL Group Replication

Learn about how Global Transaction Identifiers (GTID's) and how they are used with MySQL replication.

Learn about the merge replication topology used for building scalable, bi-directional, multi-primary replication deployments using MySQL NDB Cluster. This topology makes it possible to reliably...

The latest update to MySQL Enterprise edition, version 9.1, introduces significant enhancements focused on replication monitoring. This update includes improvements to Group Replication Flow...

A new feature to MySQL NDB Cluster replication allows the NDB data nodes to skip sending unnecessary updates to subscribing MySQL Server nodes. These updates reflect changes that occurred in the...

With the introduction of failover slots in PostgreSQL-17, logical replication can now be effectively utilized in high-availability environments. This feature ensures that logical replication...

In my last blog post, Evolution of Logical Replication, I mentioned the future development of a feature to allow "upgrades of logical replication nodes." The upcoming release of PostgreSQL 17...

Learn about the two different strategies for setting up multi-primary bidirectional replication between MySQL NDB clusters. This functionality is commonly used for highly available (HA) clusters...