14results about How to "Solve performance bottlenecks" patented technology

The invention relates to the technical field of computer application, and discloses a file read-write event monitoring method under an eBPF, which comprises the following steps: initializing an eBPF program, generating a kernel mode byte code and a user mode byte code, loading the kernel mode byte code into a kernel, and carrying out instrumentation in a file operation function to monitor file operation; initializing a preset buffer area for communication between a kernel mode and a user mode, and storing a file identifier of a to-be-monitored file in an eBPF mapping table; and when a file operation function is called, reading kernel structure body information, obtaining an identifier of an operated file, matching the identifier with the identifier in the mapping table, if the matching fails, discarding an event, and if the matching succeeds, judging that the file is in a monitoring range. Therefore, the monitoring of the file read-write event under the eBPF is realized.

The invention discloses a cabinet type server and a communication method, and relates to the field of computers. The cabinet type server comprises a plurality of fusion nodes and a plurality of switching nodes, a first fusion node in the plurality of fusion nodes comprises a plurality of computing chips and at least one first switching chip, the at least one first switching chip is used for realizing communication connection among the plurality of computing chips, and a second fusion node in the plurality of fusion nodes is used for realizing communication connection among the plurality of computing chips. The first switching node in the plurality of switching nodes is coupled with the first fusion node through the connector, and the first switching node is used for realizing communication connection between the first fusion node and other fusion nodes in the plurality of fusion nodes. A switching chip and a computing chip are deployed nearby, a plurality of fusion nodes and a switching node adopt a mode of orthogonal connection and data two-stage switching, and a high-density system with high performance, large bandwidth and low time delay is constructed.

The invention relates to the technical field of meteorological visualization, in particular to a meteorological visualization engine based on a space-time database, which comprises a meteorological data storage and processing module, a data processing algorithm cluster module, a data query analysis module and a WebGL-based visualization rendering module, and is characterized in that the meteorological data storage and processing module comprises the space-time database and a cloud storage; the data processing algorithm cluster module is used for analyzing, processing and processing various kinds of meteorological data, and has the following beneficial effects that the problems of performance bottleneck and expansibility when large-scale meteorological data is processed in a traditional storage mode can be solved, and the data processing algorithm cluster module can perform real-time or batch processing on the meteorological data; according to the technical scheme, the meteorological data are analyzed and processed to meet different scenes and requirements, and accurate and high-quality data support can be provided for subsequent data query, analysis and visualization by analyzing and processing the meteorological data.

The invention discloses a method and system for achieving 3D model rendering on application software, and the method comprises the following steps: loading and analyzing a 3D model file, and obtaining geometric information of a 3D model, including but not limited to triangular patch normal vector data, triangular patch normal vertex data, the number of triangular patches, and maximum and minimum X / Y / Z axis coordinates; a GLSurfaceView instance is created, the surface rendered by the OpenGL is managed, meanwhile, a Renderer object is accepted, and the object executes an actual rendering task; and S3, rendering the 3D model in the environment created in the S2 by using the data obtained in the S1. By optimizing the loading and analyzing process of the 3D model file and combining the efficient OpenGL rendering technology, smooth and high-quality 3D model rendering can be achieved on the mobile device with low performance, efficient and high-quality 3D model rendering can be achieved on the mobile device with low performance, and the problems of performance bottleneck and high memory occupation in the prior art are solved.

The invention discloses a method, a system and equipment for generating ECharts chart resources based on a server side. The method is executed in a Node.js environment and comprises the following steps: receiving and analyzing a chart generation request; loading an ECharts configuration template and obtaining original data, and generating a complete configuration item after standardization processing; creating a virtual DOM (Document Object Model) environment and container elements through the JSDOM; creating an off-screen canvas based on Canvas, initializing an ECharts instance and executing rendering; encoding the rendering result into an image data stream; and performing format adaptation and distribution according to the terminal type. The invention further provides a cross-end consistency guarantee mechanism, a block rendering optimization mechanism, an intelligent distribution mechanism and the like. Complete decoupling of the ECharts and the server environment is achieved, static chart resources can be efficiently generated, large data volume processing is supported, cross-terminal display consistency is ensured, the performance and safety of chart generation are remarkably improved, and the application range of chart generation is remarkably widened.

The invention relates to the technical field of network communication simulation, and discloses a communication simulation method and system based on OMNeT + +, and the method carries out the simulation of communication application based on an OMNeT + + platform. The problems of low simulation efficiency, poor data processing capability and the like in the prior art are solved.

This application discloses a method, apparatus, device, and storage medium for dynamic isolation and allocation of virtual network addresses, relating to the field of virtual internet technology. The method includes receiving resource request information from a user, determining the currently allocated target virtual network address, and then determining the target network access zone where the target virtual network address resides; obtaining the target tenant identifier corresponding to the target network access zone; and accessing resource information under the target tenant associated with the target tenant identifier through the resource request information. By establishing the correspondence between the target virtual network address, the target network access zone, and the target tenant identifier, the method solves the problems of missing tenant isolation and inefficient fault recovery in related technologies, thereby achieving technical effects such as improved fault recovery efficiency, reduced data leakage risk, and enhanced data security.

The invention discloses an attribute-based encryption access tree attribute assignment method based on secret sharing and reversible embedding, which belongs to the technical field of information security, and comprises the following steps: defining different access strategies by constructing an attribute tree; segmenting the secret to obtain sub-keys, and associating each sub-key with a leaf node of the attribute tree; when the user requests to access the secret, verifying whether the attribute of the user meets the access strategy or not, and if yes, obtaining a sub-key corresponding to the attribute of the user by the user; and recovering the sub-key through a secret sharing scheme to obtain decrypted data and access the decrypted data. According to the method, by constructing the complex attribute tree and embedding the path label, the problems of performance bottleneck and expandability are effectively solved, meanwhile, user privacy is protected, and the risk of trust single point failure is reduced.

The invention provides a data synchronization method and device, equipment, a medium and a program product, and relates to the field of big data. Receiving remote log transmission requests of a plurality of synchronization services through a log agent, requesting a log file from the source end database through the log agent based on the log analysis breakpoint, receiving a target log file from the source end database, and storing the target log file in a local log storage unit, the plurality of synchronization services share and analyze; according to the method, the log requests of the multiple synchronization services are received in a centralized mode through the log agent, the target log files are uniformly obtained from the source end database based on respective analysis breakpoints and locally cached, multi-service efficient sharing and collaborative analysis are achieved, repeated pulling is avoided, the database load is reduced, and the synchronization efficiency is improved.

The application discloses a biological age evaluation method and system based on whole life cycle DNA methylation and application, and belongs to the technical field of bioinformatics. First, the obtained original DNA methylation data is subjected to quality control and standardization processing; then, differential methylation sites significantly related to calendar age are screened as features; next, taking calendar age as a target variable, a regression model is constructed by adopting a LightGBM gradient boosting framework to obtain a methylation clock model; subsequently, the model is used to predict the DNA methylation age of an individual, and an epigenetic age acceleration value is calculated based on the deviation of the DNA methylation age from the calendar age; finally, the age acceleration value is subjected to correlation analysis with health or physiological indexes in different life stages, so as to evaluate the biological aging state of the individual and predict related health risks. The application covers the whole life cycle, is suitable for Chinese population, and can provide an effective tool for clinical disease risk prediction, health management and anti-aging intervention effect evaluation.

The invention discloses a data storage method and apparatus, an electronic device and a storage medium. The method comprises the steps of obtaining to-be-written first business data in a business system; based on a write-in sequence of databases in a database cluster, determining a first database used for storing the first business data, the write-in sequence being periodically determined according to the difference between each database in the database cluster and a second database in reference data volume, the second database is the database with the maximum reference data volume in the database cluster; and writing the first business data into the first database.

The invention relates to the technical field of network communication, in particular to a software-defined networking method and device based on agency, the initiative of connection is transferred to an agency node closer to a switch, the path and time of connection establishment are shortened, the method and device are especially suitable for scenes with a large number of switches and topology dynamic changes, and the efficiency is improved. According to the method, the security genes of the master and slave control channels are inherited and lightweight adaptation is carried out, and the performance bottleneck and security shortages of the traditional SDN southbound channel are fundamentally solved through the original design of intelligent event filtering, multi-path processing and the like, so that a solid end guarantee is provided for stable and efficient operation of the whole hierarchical control architecture.

The invention discloses an insurance industry distributed data processing method and device, and the method can effectively solve the problems of performance bottleneck and poor expansibility of a traditional centralized database in a mass data scene in the insurance industry. Stream batch integrated processing of high-concurrency transaction processing and batch analysis tasks is realized, and the system processing efficiency and availability are improved.

The invention relates to an intelligent comprehensive gateway system for rail transit. The intelligent comprehensive gateway system comprises a public network access unit, a video resource management unit and a transcoding management unit, the public network access unit is used for providing different public network access interfaces; the video resource management unit is used for accessing video resource data of different acquisition points and different formats through different public network access interfaces, and determining a streaming media server node to converge, manage, dynamically mark and forward the accessed video resource data in real time based on a preset streaming media service cluster dynamic allocation mechanism; and the transcoding management unit is used for carrying out format conversion and adaptive transcoding on the video stream according to different requirements of different devices and platforms on video formats and then sharing the video stream. The method can be widely applied to the technical field of rail transit communication.