4 results about "Real time database systems" patented technology

The application discloses a dynamic real-time transaction scheduling method and system, which breaks the limitation of pre-defined transactions and periodic scheduling, and enables real-time transactions to be dynamically scheduled according to actual requirements without pre-defined transactions through twice priority sorting, ensures that the transactions are completed before the deadline, and significantly improves the flexibility and real-time performance of the system; on the basis of the double loop structure of the database working thread, a multi-version concurrent access strategy and a shadow node strategy based on priority inheritance are introduced, so that the real-time database system can operate more efficiently under complex transaction load, and the real-time response capability is further enhanced; priority allocation and blocking management of the transaction are performed by using the characteristics of the real-time operating system, so that the real-time performance of the real-time operating system is not damaged in the transaction scheduling process, and the efficient response capability of the system is maintained; and the application also provides a system for implementing the method.

This invention relates to a method, system, device, and medium for synchronizing configuration data in a real-time database system. The method includes: when a configuration client publishes configuration data for configuration updates, the business configuration synchronization modules of each node in the business subsystem receive the configuration data distributed by the configuration server and synchronize the configuration data to their respective nodes according to a configuration update strategy. When a user publishes configuration updates to various business subsystems of the real-time database, the configuration server synchronizes data with one or more first-level nodes in the system. Then, the first-level nodes synchronize data with their subscribed slave nodes. The subscribed slave nodes select the node with the highest version and latest priority from among the subscribed first-level nodes as the update data source. This invention, based on the interconnection of various configuration business nodes and using a multi-master, multi-slave strategy and a multi-stage publishing mechanism, ensures high availability and high performance of real-time database configuration distribution.

Systems and techniques for are described herein. A data change event is received that is related to account activity of a user in a computer application. The data change event is logged in an event table stored within a transactional database. The data change event is processed to determine an updated count related to a UI badge. A message is sent that contains the updated count from a batch process to a message broker. The message broker distributes the message to a real-time database system. The updated count is transmitted from the real-time database system to a user interface. The user interface displays the UI badge. The updated count is displayed in real-time on the UI badge.

This invention relates to a data modeling technology, specifically a multi-module integrated real-time database system. It includes multiple parallel magnetic core memories, each comprising a synchronization host that establishes unidirectional communication with multiple application systems via a filtering channel controller. The magnetic core memories also include a memory database that interacts with the synchronization host. The synchronization host is also connected to multiple data interfaces for real-time data acquisition and supports multiple real-time data acquisition sources. By constructing a distributed memory database using the synchronization host, memory database, and filtering channel controller, a large amount of real-time data is first received and stored in memory. The memory data is then instantiated in a process-by-process manner, forming a system architecture with excellent scalability. The overall system performance can be adjusted by adding a corresponding number of magnetic core memories according to actual application requirements.