Introduction What happens when you inject 1000 failures into a YMatrix cluster? With the help of chaos testing, the ALOHA high availability architecture introduced in version 5.0 has been rigorously tested before its release; in addition to continuously refining key technologies, the YMatrix R&D team has also introduced advanced engineering methods and practices to ensure … Read more
“Behind technological innovation lies a grand historical background. The booming digital economy in China brings historical opportunities for independent innovation, with databases serving as the foundation and cornerstone of digital economic development. Yunhe Enmo seizes industrial opportunities to realize Chinese creation.” ——Gai Guoqiang, Founder and General Manager of Yunhe Enmo, Kunpeng MVP The changes in … Read more
The database, which occupies a core position in IT architecture, is an important hub connecting upper-layer applications and underlying resources, akin to the “memory system” of a person, used for storing and retrieving data. Its importance is self-evident. It can be said that the database is one of the three cores in the modern information … Read more
Welcome to follow our public account, where we continuously publish in-depth articles on PostgreSQL, openGauss/MogDB, and other PG-related databases. 1. Sequences Can Be Modified Through DDL Statements MogDB 5.0 supports modifying sequence properties using the ALTER SEQUENCE command: 2. Cursors Support Reverse Retrieval openGauss inherits from pgxc, where the distributed pgxc disables the SCROLL attribute … Read more
Hello everyone! Today I want to introduce you to a super powerful C language database library – Berkeley DB (commonly referred to as BDB). It is a high-performance embedded database system that can help us easily achieve data persistence storage. Whether for small applications or large systems, it can handle it perfectly! What is Berkeley … Read more
In server operation and maintenance, various issues can arise. Regardless of the type of fault, it is essential to combine specific situations with a prevention-first mindset, familiarize oneself with various tools and techniques, cultivate good log analysis habits, and establish comprehensive emergency plans and backup recovery strategies to effectively respond to and resolve various fault … Read more
Substitute information for the LCD TV COF (TAB) module: Roll Material (TAB) Model (Substitute Model) 1: D160975NL-051(D160975ANL-051) 2: S6C2732-51H（S6C2732-61） 3: NT39941H-C0217B（RM92150FB-095） 4: RM92161FA-OAM（RM92161FB-OAN） 5: D160407NL-056（D160407NL-055-C1-0A） 6: D160994NL-054（D160994NL-051、NT39931H-C02F7A） 7: D160998NL-053（D160998NL-054-C1-A） 8: LS08S6HH3-C2LX（LS08S6HT1-C2LX） 9: NT39985H-C02M9A（RM92161FD-0AS） 10: D160418ANL-051（RM9216FB-0AN） 11: RM92120FA-038（RM92122FA-058、NT39921H-C02B7H、D160974ANL-051） 12: S6C2709-51D（S6C2709-51B） 13: S6C2732-52（S6C2732-52G） 14: D160418NL-054（RM92165FC-0CC tested and cannot be replaced） 15: NT39386H-C0265A（D160962NL-051） 16: LS08S6HTI-C2LX（LS08S6HT3A-C3LX） 17: MT3197B-VA（MT3197B-VC） 18: … Read more
Acquisition Hongke IIoT Hongke OPC Solution —— Quick Implementation of OPC Data Storage to Database Hongke Science Program Solution 01 OPC Introduction OPC, which stands for OLE for Process Control, is an industrial standard based on Microsoft’s OLE, COM, and DCOM technologies. With the rapid development of automation systems in the 1990s, various standard automation … Read more
Python Video On-Demand System Development Tutorial Hello everyone! Today I want to share with you how to develop a simple video on-demand system using Python. This system, although simple, includes many practical features: video file management, user login registration, playback history, etc. Through this project, you will not only learn important knowledge such as file … Read more
Source: intorobotics Produced by Smart Workshop Contributors: Lotus “ Free source code tutorials are always readily available, so it is often useful to think about how to creatively apply source code for free. Whether you are looking for professional protocols or engineering solutions, both lines of thought can be greatly beneficial, allowing you to apply … Read more