54results about How to "Guaranteed concurrency" patented technology

The invention discloses a dispatching method and a system of a distributed system. The method comprises the following steps: a dispatching request comprising data reading operation is received by a data dispatcher, and data is stored in at least one entity providing data service in the distributed system; status of each data service corresponding to the dispatching request is determined by the data dispatcher, dispatching response consenting to conduct reading operation on each data service is sent by the data dispatcher when each data service is in an idle/reading status; and each data service is at least one same data service. The invention can effectively solve the defects of resource waste, low task processing efficiency and the like in the distributed dispatching method in the prior art, realizes reasonable resource utilization, and improves task processing efficiency.

The invention discloses a digital video processing and cataloguing system and method based on a cloud edition technology. The system comprises a cloud edition client, a cloud edition service center, a cloud media processing center and a cloud storage platform, wherein the cloud edition client is communicated with the cloud edition service center through an internet; the cloud edition client comprises a cloud editor and an intelligent media stream buffer; and the cloud edition service center comprises a WMS (web media service) cloud edition media server, an ML (markup language) cloud edition material library, a cloud transmission accelerator and a CMPC (cloud media processing center). According to the digital video processing and cataloguing system and method based on the cloud edition technology, the processing and cataloguing area of digital video materials can be enlarged, and the processing range can be extended to the internet; the edition client can encrypt and buffer an acquired material stream into a memory or a local disk, so as to ensure the security of the materials; after the client edits the materials, the cloud center cluster media processing service can generate new programs, so as to ensure the concurrency between the ''cloud-client'' works; the materials need not to be downloaded to the local disk first, so that the timeliness can be enhanced; and the material stream can be collected and catalogued simultaneously.

The invention discloses a method for achieving power control and a user terminal. The method comprises the following steps: after monitoring that a first communication mode is in a communication state, that a second communication mode requires communication, and judging that an interference scene exists between the first communication mode and the second communication mode, selecting a communication mode with a low priority level from the first communication mode and the second communication mode; setting the communication mode with the low priority level as a power backoff state; if the communication quality of the communication mode with a high priority level is lower than a preset threshold, reducing an upper limit of transmitting power of the communication mode with the low priority level; and adjusting the transmitting power of the communication mode with the low priority level, to prevent the transmitting power of the communication mode with the low priority level from exceeding the corresponding upper limit of transmitting power. Therefore, the time delay problem caused by service interruption/restart can be effectively avoided, and the concurrence of the communication modes can be guaranteed to the utmost, and the overall throughput of the system can be effectively improved.

The invention relates to a high-real-time concurrent testing method based on a multi-task mechanism of VxWorks system. The method comprises the following achieving steps that test tasks are planed according to a test case, a task attribute is configured for each test task, the task attribute comprises a task name, a task period, a task priority, starting time and finishing time; the tasks and semaphores corresponding to the tasks are established; a timer is registered for multi-task dispatching, and a task information table is established. According to the high-real-time concurrent testing method based on the multi-task mechanism of the VxWorks system, calculation, logic processing and interaction with the tested system can be completed in determined time, and the multiple concurrent test tasks can be completed in the same time period, so that high-real-time concurrent test requirement of embedded software is met.

The invention discloses a mass data real-time acquisition and processing method under the supercomputing environment. Firstly, the message source of the data source side generated by the supercomputing cluster data is collected through the source side of the flume software, the collected message source is then gathered into Kafka software through the flume software, and the message sources is stored after being buffered by the Kafka software, the message source to be processed is extracted from the Kafka software through Spark software for data processing, so that the real-time collection andprocessing of massive data under the supercomputing environment is realized. The Kafka is used as an intermediate buffer, and the reliability of the data is improved. A distributed message subscription system based on the Kafka can have multiple message producers and multiple consumers, and the high availability of the system message is guaranteed. The method combines with the docker containerization technology and the load balancing technology to realize container orchestration and management, the method can be applied to real distributed data collection, real-time processing and scalable super-large cluster environment.

The invention relates to a data cleaning and repairing method, which comprises the following steps of: for data errors generated in acquisition and data transmission generated by power distribution network terminal equipment, setting an access module to carry out data cleaning and repairing; For data errors generated by information equipment in the power distribution network information system, setting a conversion module for data cleaning and repairing; For data interaction among a plurality of business information systems of the power distribution network, data badness generated in data processing, setting a rule base cleaning module; For cleaning of historical data stored in a warehouse, setting an offline module for data cleaning and repairing, and carrying out logic checking on the whole historical data. According to the method, data errors and bad data conditions can be efficiently judged, data missed judgment and wrong judgment are prevented, the repair efficiency is ensured, and the upper-layer business application data requirement is met.

The invention discloses an Android based audio and video streaming push method and device as well as an Android based audio and video streaming playing method and device. The Android based audio and video streaming push method comprises steps as follows: a push terminal collects audio data and video data through an audio collection unit and a video collection unit respectively; the push terminal encodes and compresses the collected audio data and video data through an own encoding unit; the push terminal sends a data push request to the background; the background acquires an identification code of the push terminal, judges whether the push terminal has a push permission and returns permission information to the push terminal; if the permission information indicates 'allowed', the push terminal transmits the compressed audio data and video data to the background for storage. The audio and video streaming collected by an Android mobile terminal can be pushed or played, sharing of audio data and video data is conveniently realized, and the audio data and the video data collected by the Android mobile terminal are shared and subjected to live broadcasting, so that individual needs of users are effectively met.

The invention discloses a method and device for improving calculating ability of a virtual machine in a resource monopolizing and exclusive mode. The method comprises the steps that firstly, a task is issued through a task issuing system, and whether the virtual machine needs high-performance calculating ability is described in the task; secondly, after a task executing system receives virtual machine building information, a virtual machine building module is called, and the virtual machine is built according to front-end input data; thirdly, after the virtual machine is built, according to requirements, if an appointed CPU needs to be monopolized, a new request for calling a CPU binding module is generated, and binding of a virtual machine VCPU is completed through the CPU binding module. By means of the method and device, in some specific scenes, for example, an oracle data base operates in the virtual machine, IO and concurrence ability of the virtual machine needs to be guaranteed. According to the method and device, by changing a CPU processing mode, the processing ability of the virtual machine can be improved.

The invention discloses a local multi-query optimization method based on predicate statutes and cost estimation and belongs to the field of big data query optimization. The method comprises the steps that firstly, an existing optimizer of a data query system is utilized to optimize queries in a query set, and the queries are shown in the form of query trees to obtain an optimized query tree set; then, the local multi-query optimization method is combined to conduct equivalent or statute processing on same or similar sub-tasks among the queries through multiple times of iteration to generate a global multi-query plan tree; finally, the statute relation between generated global multi-query plans and the sub-tasks is combined to estimate intermediate result reuse expenditure according to a price model, whether the sub-tasks are directly executed or intermediate results are reused is judged, and the global multi-query plans are optimized. The method fully considers the balance between intermediate result utilization and query concurrence, repeated operations are decreased, and the query performance is effectively improved.

The invention discloses a share-based mobile payment management unit, terminal and service method. Existing functions and resource of a mobile payment service module are fully used. A module financial payment function includes that the communication functions of different interfaces and certain service functions requiring safety module resource are achieved through increasing of safety modules provided with various types of access interfaces. If a mobile payment service module needs to be accessed simultaneously while instruct data of the different interfaces are processed, scheduling and management are performed in a resource sharing and competing mode, ordered access of the instruct data of two communication interfaces to the mobile payment service module is also guaranteed based on that the concurrency of applications operating on different interfaces can be guaranteed, and therefore the instantaneity, the concurrency and the stability of two core functions, including a telecommunication function and a payment function, of mobile payment are guaranteed. The share-based mobile payment management unit, terminal and service method can be applied to the field of the mobile payment.

The invention discloses a dynamic scheduling method and a system for collaborative computing between a CPU and a GPU based on two-level scheduling. The method includes: forecasting the processing capacity of each node in the system, a global scheduling module dynamically distributing data to each node according to the processing capacity of each node according to the batch number of the request ofthe node scheduling module in each node, when the node scheduling module finds that the data queue used to place the processing data is empty, requesting the next batch of data to be processed from the global scheduling module, and dynamically scheduling the tasks according to the CPU and GPU processing capacity in the node. According to the heterogeneity of system resources, the invention allowsweak nodes to share fewer tasks and strong nodes to process more tasks, which can improve the overall concurrency degree of the CPU/GPU heterogeneous hybrid parallel system and reduce the task completion time.

The invention relates to a mobile information writing and reading method and system. The mobile information writing method comprises the following steps: step a1: receiving mobile information, and parsing the mobile information into a group of complete array; step a2: separately allocating an uniquely corresponding inquiry index for all the mobile information of the array; storing registration information of the mobile information in a core information field; according to the inquiry index, respectively writing all the mobile information of the array into an unique file location, and completing a writing file of the array; and and step a3: after writing successfully, writing the inquiry index information and the core information field into a database. A data storage manner provided by the invention adapts to the mobile information system, and meets an industry application standard; the information storage not only needs to satisfy an uplink and downlink transmission request of the information, but also satisfy a persistent zero failure request that ensures the information from being lost under abnormal conditions of network disconnection, shutdown and the like.

The invention discloses a data writing method server and a computer-readable storage medium. At least one performance index of a distributed document storage database is monitored, and when the performance index reaches a preset threshold value, a Redis service is enabled, and the received data sent by a terminal is written into the Redis. As such, when that server is low on distributed document storage database capability, a user can write data through Redis. The invention bypasses the distributed document storage database with insufficient capacity, thereby ensuring the writing performance of the server, ensuring the concurrency of the server side, and ensuring that the server can process the data sent by the terminal in time, returning the corresponding data to the terminal, and ensuring the fluency of the application of the user side.

The invention discloses a hotspot account transaction system and method. A transaction receiving module receives each account transaction request; a buffer scheduling module caches the account and theaccount balance in the borrowing database and the account and the account balance in the creditor database into a distributed memory; a transaction processing module processes each account transaction request, updates the account balance corresponding to the borrower and the account balance corresponding to the creditor in the distributed memory, and records each transaction detail of the borrower account and each transaction detail of the creditor account; a buffer processing module gathers each transaction detail of the borrower account and each transaction detail of the creditor account inbatches, gathers the transaction amount with the successful transaction state of the lender and the transaction amount with the failed transaction state of the lender, and updates the transaction amount with the successful transaction state into the lender account database; and summarizes the transaction amount of which the transaction state is successful and the transaction amount of which the transaction state is failed, and updates the transaction amount of which the transaction state is successful to the credit account database.

The invention discloses a multi-thread event processing component, which realizes unified management of events by unifying external event definition basic types, packaging high-concurrency lockless queues, unifying semaphore and IO multiplexing wake-up mechanisms, and realizes low-delay and high-concurrency access of thread communication while reducing development difficulty and cost. According tothe technical scheme, through a unified event model, underlying event management and thread notification management mechanisms are decoupled, the cost of application developers for multi-thread eventdevelopment is reduced, and the event processing capacity of applications is improved. Compared with an existing event processing method, on one hand, the consistency problem of underlying network communication and internal event communication is solved; by means of the embedded memory pool model, the lock-free queue and other mechanisms, the event processing efficiency of the application programis greatly improved, the complexity of the system is lowered, and meanwhile high concurrency and low delay are guaranteed.

The invention belongs to the technical field of intelligent energy management, and particularly relates to a system for providing remote service and intelligent management for a battery. The system comprises four subsystems, namely a service data acquisition system, a service data calculation system, a service data analysis system and a service data presentation system, the system is deployed on the cloud, is used as required, has infinite expansibility, and meets the requirement of massive terminal expansion under the framework of the Internet of Things; the system also has a function of inheritance operation management of data exchange with exchanged battery equipment, a firmware remote upgrading function and an electronic fence function, and is also provided with a security mechanism inthe aspects of data encryption, access authority management and the like. A distributed modular design based on a resful framework is adopted, a visual web page, business data service and business data processing are realized, the business management capability of system Internet of Things equipment is realized through end-to-end full-dimensional visual data, and the system has strong universality, expandability and safety.

The invention relates to a WAF flow guide device, system and method. The WAF flow guide device comprises a WAF computing cluster module, configured to: receive a forwarded access request, perform analysis and judgment on the access request based on a preset WAF judgment rule, and send an analysis and judgment result; and a WAF access layer module, configured to: receive the access request of a client, forward the access request to the WAF computing cluster module, receive and judge the validity of the analysis and judgment result and execute a corresponding operation according to the judgmentresult, wherein the WAF computing cluster module and the WAF access layer module are located at different servers. By separating the WAF judgment rule that occupies a large amount of CPU resources from a WAF access layer and calculating the WAF judgment rule singly in a computing cluster mode, access and computational logic are separated to ensure the concurrency of the WAF access layer.

The invention relates to a host end mapping method and device of an SSD array, a computer device and a storage medium. The method comprises the following steps of S1, creating a mapping table; S2, acquiring a request from a host; S3, performing read/write processing on the request of the host according to the mapping table to obtain a processing result; and S4, feeding back a processing result tothe host. By creating the mapping table, the logic spaces of different SSDs can be sequentially allocated for storing the write-in data of the host, so that any write-in data of the host can be written into each SSD of the SSD array in a balanced manner, the wear balance is guaranteed, the concurrency of the write-in performance is guaranteed, and the requirements can be better met.

The invention provides a virtual resource allocation method, a virtual resource allocation device, a computer readable medium and electronic equipment. Relating to the technical field of data processing. The virtual resource allocation method comprises the following steps: acquiring configuration parameters for configuring virtual resources so as to acquire a resource average value and an allocable total number through the configuration parameters; generating the allocable total number of resource values in combination with a random number and the resource average value so as to obtain a resource queue through the allocable total number of resource values; and allocating the virtual resources to users according to the resource values in the resource queue so as to complete virtual resourceallocation. According to the system generation method, the problem that accurate control cannot be achieved during resource allocation can be solved to a certain extent, and then the controllabilityof resource allocation is improved.