167 results about "Distributed transaction" patented technology

The invention discloses an energy big data right confirmation method and system based on a hierarchical hash tree and dynamic authorization, and belongs to the field of energy big data management and information security, and the method comprises the steps: obtaining and standardizing original data in an energy scene, and dividing the original data into a data block set according to equipment and time; constructing a hierarchical hash tree and generating root hash; writing the root hash and the associated metadata into the block chain to realize right confirmation and evidence storage; executing proxy re-encryption according to the access token, and converting the ciphertext into a decryptable format; verifying the data consistency through the Hash path and the root Hash, and completing the access; and recording the access behavior and distributing transaction earnings by the smart contract based on the contribution degree. Hash calculation and local path updating of a data block level are supported through a layered Hash tree structure, so that when large-scale energy data is frequently updated, a new root Hash value can be quickly generated and right confirmation updating can be completed only by carrying out local Hash recalculation on a changed path.

The invention provides an online interactive programming education system based on a micro-service architecture, and the system comprises an infrastructure layer which serves as a bottom layer computing power and provides an elastic computing power through a cross-cloud deployment technology and a dynamic resource scheduling technology; the platform core layer constructs a stateless micro-service cluster through a service registration discovery module, a load balancing module and a fusing mechanism module depending on elastic resources of the infrastructure layer, and the infrastructure layer provides physical resource guarantee for operation of the micro-service cluster of the platform core layer; the platform support layer is used for integrating an authority management component, a workflow engine component and a general service component based on a stateless micro-service cluster constructed on the platform core layer, and providing resource isolation and high-concurrency task scheduling support in a multi-tenant environment for the programming education system; the platform core layer is combined with distributed transaction management to provide stable service scheduling and communication capability for an authority management component, a workflow engine component and a general service component of the platform support layer; and the platform application layer combines service scheduling and communication capabilities, realizes teaching functions such as multi-language development, code debugging visualization, AI personalized suggestion and collaborative learning, and directly serves programming learning of students and teaching management requirements of teachers.

The invention discloses a road berth charging and control system for realizing multi-level fault tolerance and a method thereof, and belongs to the technical field of intelligent traffic systems and Internet of Things. The system adopts an edge computing and distributed sensing collaborative architecture, and is composed of an edge controller (ECU) and a sensing and control unit (SCU) deployed in a berth. High availability of the system is ensured through fault-tolerant design of three core dimensions: firstly, perception layer fault tolerance dynamically adjusts data fusion weights of geomagnetism, millimeter wave radar and visual AI according to real-time environment data such as rainfall and electromagnetic interference by integrating an environment perception sub-module; secondly, network layer fault tolerance utilizes an immutable transaction log and a Saga distributed transaction compensation mechanism to realize local charging and digital RMB double offline payment when cloud connection is interrupted, and data consistency is ensured after network recovery; and finally, a hardware layer establishes a neighborhood cooperation protocol based on a signature agent command through fault tolerance, and a healthy node is allowed to act as an agent fault node through safety verification to execute an unlocking instruction. According to the invention, the problems of environmental interference, network interruption, single-point hardware failure and the like in unattended parking management are effectively solved, and the robustness and financial security of the system are remarkably improved.

The micro-service processing system provided by the embodiment of the invention comprises an event identification module which is used for defining a business domain event type and registering an event attribute structure; the event bus module constructs a distributed communication network containing a dual-channel message queue, and the event bus module implements partition routing according to event types; the event processing module is composed of an event producer and a consumer which are executed asynchronously, the event producer packages service actions into a standardized event data packet, and the consumer processes subscription events through a thread pool; the event storage module adopts a hierarchical log database for persistence of an event sequence and supports reestablishment of a service state according to a timestamp; and the security control module is used for implementing service authentication and event content encryption on a transmission layer. Through event bus dual-channel design, sender box transaction binding and hierarchical storage optimization, millisecond-level event processing delay is realized while the reliability of distributed transactions is ensured, and second-level state recovery can be realized based on a complete event log when a service fault occurs.

The invention relates to the technical field of cloud computing, and discloses a multi-cloud certificate deployment intelligent arrangement engine system, which comprises a unified abstraction layer used for providing a standardized certificate deployment interface; the intelligent arrangement engine is used for analyzing a deployment task dependency relationship and generating an optimal deployment path; the distributed transaction management module is used for coordinating deployment transactions of the cross-cloud platform and ensuring the consistency of operation; and the strategy optimization and learning module is used for optimizing the deployment strategy based on the historical deployment data. According to the method, the cloud platform difference is shielded through the unified abstraction layer, the consistent deployment experience is provided, and the adaptation workload in the multi-cloud environment can be remarkably reduced; the deployment path is optimized through the intelligent arrangement engine, so that the deployment time can be remarkably shortened; through distributed transaction management, transaction consistency of cross-cloud deployment is ensured, and strong fault recovery capability is provided. Through multi-objective optimization and online learning, the system can automatically balance the cost, the performance and the reliability, so that the resource utilization rate is greatly improved.

The invention discloses a distributed transaction coordination system for a high-concurrency scene, and particularly relates to the technical field of distributed computing and transaction management. The system comprises a transaction manager, a resource agent group and a log storage module, the transaction manager receives a transaction request, generates a global transaction identifier and maintains a state machine, and an internal fragment coordinator routes the transaction to different processing fragments according to a consistent Hash algorithm for parallel coordination; the resource agent group is connected with each resource node, executes local operation and reports a state through an asynchronous batch mechanism; and the log storage module adopts a multi-copy distributed structure to persist transaction logs. Through fragment parallel processing, asynchronous state reporting and multi-copy log cooperation, the system throughput is effectively improved, the transaction delay is reduced, and the final consistency and high availability of distributed transactions are guaranteed.

The invention relates to the field of resource allocation, and provides a micro-service transaction processing method, device, equipment and medium, and the method comprises the steps: responding to a distributed transaction request, and generating a global transaction snapshot in a transaction coordination layer cache; the global transaction snapshot comprises data change content of operation data required by the distributed transaction corresponding to the distributed transaction request; and when a ready signal fed back by each participating service in the distributed transaction is received, triggering each participating service in the distributed transaction based on the global transaction snapshot to carry out persistence processing on the data change content in parallel. According to the method, the preamble time is locked by pre-generating the global transaction snapshot compression resource, the throughput is effectively improved, the total time consumption in the submission stage is shortened by parallel triggering persistence, and the transaction processing delay is reduced.

The invention provides a self-adaptive collaborative security protection method based on attack path deduction, a medium and a system, and belongs to the technical field of network security. The method comprises the following steps: sampling possible paths from a current attack node to high-value assets based on an adaptive path sampling algorithm of Monte Carlo tree search to generate an attack path graph, calculating a protection effectiveness score and a service influence score according to key nodes and predicted attack actions, and generating an optimal protection instruction set based on a multi-target tradeoff function; an instruction is converted into a heterogeneous security device configuration command through a strategy execution cooperative controller, multi-device synchronous activation is realized by adopting a distributed transaction protocol based on a logic clock, and a protection effect is monitored and fed back to an artificial intelligence model for parameter optimization; the problem of protection strategy failure caused by asynchronous network security protection response and attack evolution is solved.

The invention provides a disaster recovery database data synchronization method and device, equipment and a storage medium. Relates to the technical field of data processing. The method comprises the steps that logs of all nodes are written into log queues corresponding to all the nodes; determining that the transaction corresponding to the queue head log in each log queue is a single-node transaction or a distributed transaction; writing the submission transaction identifier and the transaction information of the queue head log into a global playback queue according to the sequence of writing the submission transaction identifier of the single-node transaction and the corresponding transaction information and then writing the submission transaction identifier of the multi-node transaction with the minimum submission transaction identifier and the corresponding transaction information; analyzing the transaction information in the global playback queue to obtain statement blocks; writing the statement blocks into at least one playback queue according to the submission transaction identifiers corresponding to the statement blocks; and sending the statement blocks in the playback queues to the disaster recovery database, and enabling the disaster recovery database to execute the statement blocks so as to synchronize data of the source end database in real time. The problem that disaster recovery switching time is long is solved.

The invention relates to a distributed transaction optimization method based on a compensation mechanism. The method comprises four core links: data standardization: collecting a business event and converting the business event into a structured log, and recording an operation background and a field snapshot; intelligent strategy generation: based on the real-time log data, a dynamic compensation scheme is automatically generated through a strategy engine; task scheduling execution: automatically distributing compensation tasks according to priorities; and a closed-loop optimization mechanism: tracking an execution state in the whole process, and collecting result data for strategy optimization. According to the method, the dynamic compensation strategy engine is constructed, the compensation parameters are adjusted in real time, and non-intrusive architecture design is adopted, so that distributed transaction compensation can be accurately matched with complex business requirements, invalid retry operation is reduced, and execution efficiency is improved; through a visual strategy configuration interface and full-link state tracking, the operation and maintenance complexity is reduced, and rapid iteration of a compensation strategy and accurate fault positioning are realized; rapid access to a new scene / service is realized, and the method can adapt to dynamic environment changes.

The invention discloses a distributed transaction-driven power distribution network toughness improvement method and system, and relates to the technical field of demand side flexible resource regulation and control, and the method comprises the steps: obtaining public distributed energy resources, and carrying out the pre-construction of a distributed transaction-driven power distribution network toughness improvement model through the public distributed energy resources based on an upper layer and a lower layer; optimizing the distributed transaction-driven power distribution network toughness improvement model based on a VCG mechanism to obtain an optimized distributed transaction-driven power distribution network toughness improvement model; the distributed transaction-driven power distribution network toughness improvement model is solved through a distributed solution algorithm based on L (p)-Box ADMM, a power distribution network toughness improvement result is obtained, a producer and a consumer can be effectively stimulated to truly report own energy consumption cost and demand, and reasonable distribution of limited resources in an extreme scene is promoted.

The invention discloses an RDMA multi-path transmission method and system for power distributed transactions, a medium and a processor, and relates to the technical field of power distributed transaction communication. The method comprises the following steps: establishing a power network topology digital twin model, defining a redundant link and configuring an RDMA communication environment; constructing a plurality of transmission paths based on the model and the redundant link, fragmenting the transaction data and adding metadata; screening an available path set, and determining an optimal transmission path through an out-of-order perception path selection algorithm; and sensing a path congestion state, and dynamically distributing flow. Systems, media, and processors are used to implement the method. According to the method, the topological characteristics of the power network and the advantages of the RDMA technology are combined, transmission low delay, high reliability and the resource utilization rate are improved through multi-path construction, out-of-order sensing routing and dynamic flow distribution, and the complex transmission requirements of power distributed transactions are met.

The invention discloses a memory data isolation storage method, a distributed transaction system and a program product, and relates to the technical field of data processing, the memory data isolation storage method is applied to the distributed transaction system, and the distributed transaction system comprises a mark distribution component and a transaction engine. The method comprises the steps of adding a service identifier in an external transaction request based on a service type through a mark distribution component to obtain a target transaction request, and sending the target transaction request to a transaction engine; reading account data corresponding to an account of the external transaction request from the target memory partition through a transaction engine, and generating a transaction order carrying a service identifier based on the account data; executing the transaction order based on the memory data in the target memory partition through a transaction engine according to the multi-level assembly line of the transaction order to obtain a transaction result; and updating the memory data of the target memory partition based on the transaction result through the transaction engine. According to the invention, orders of different service types can share the physical memory device, so that resource waste is avoided.

The invention discloses a data thermal migration method and device between heterogeneous databases, equipment and a medium, and relates to the technical field of data migration, and the method comprises the following steps: constructing target mapping between a source database and a target database; modifying the set method based on the target mapping, and establishing a data conversion relationship according to the modified set method; starting a distributed transaction, and locking target to-be-migrated data in the source database by utilizing a preset data operation instruction; converting the locked data into a first target set in the first java entity class; and converting the first target set into a second target set in the second java entity class by using the data conversion relationship, inserting the second target set into the target database, and submitting the distributed transaction. By locking the to-be-migrated data, it is guaranteed that the to-be-migrated data does not change during migration, data thermal migration can be completed without stopping system services, and the migration efficiency is high.

The application discloses a Java-based distributed transaction management system and relates to the technical field of distributed systems. In view of the contradiction between transaction consistency and high concurrency and high availability in a distributed system, the scheme comprises the following: a transaction coordination module, which is used for constructing a cluster based on a Raft protocol to guarantee continuous availability of a service, realizing transaction full-life cycle management by relying on an extended state machine engine, and dynamically selecting an optimal communication path of a transaction according to scheduling decisions and a real-time network topology state; a local transaction management module, which is embedded in each microservice and is used for realizing local execution and state reporting of a transaction; a multi-level log module, which is used for realizing traceability of a transaction state and recovery of a fault through multi-level storage and event tracing; an intelligent scheduling module, which is used for realizing dynamic optimization of transaction processing based on an LSTM model and QoS indicators; and a monitoring and alarming module, which is used for collecting transaction full-link logs and performance indicators in real time and realizing full-link observability. The application is suitable for high-reliability and high-concurrency scenarios.

The invention discloses a day-ahead operation method for a virtual power plant (VPP) in a distributed coupling market containing residential users. The day-ahead operation method comprises the following steps of: firstly, performing a day-ahead operation on the VPP in the distributed coupling market; based on a distributed coupling market in a power distribution network range, a VPP day-ahead operation strategy is constructed, and the operation income and the green low-carbon property of the VPP are further improved through distributed market transaction (distributed transaction for short). The method comprises the following steps: firstly, constructing a VPP distributed transaction model considering resident users, including distributed electric energy and green electricity transactions, and enabling the VPP to perform electric quantity interaction with transferable and non-adjustable loads of the resident users and form electric quantity prices, thereby realizing reasonable distribution of distributed transaction benefits; then, considering a distributed transaction model, and constructing a VPP day-ahead operation optimization model under the distributed coupling market; finally, the effectiveness of the method is proved through example analysis.

A hot server is identified from a plurality of servers based on one or more server metrics associated with the hot server. A hot data range stored by the hot server is identified based on one or more read density metrics. The hot data range comprises a range of data values with a higher volume of access requests compared to other data values stored by the hot server. The hot data range is replicated across a number of additional servers.

The application provides a distributed transaction consistency execution method, device, equipment, medium and product, and relates to the technical field of distribution. The method comprises the following steps: receiving a transaction request initiated by a user, the transaction request being used for requesting execution of a distributed transaction; generating a unique transaction identifier used for identifying the distributed transaction according to the transaction request; generating reverse operation instructions corresponding to transaction operations of the distributed transaction according to the distributed transaction and the unique transaction identifier; storing the unique transaction identifier and the reverse operation instructions in association to a blockchain network; executing the distributed transaction, and when partial submission of the distributed transaction fails, extracting the reverse operation instructions associated with the unique transaction identifier from the blockchain network according to the unique transaction identifier; and executing the reverse operation instructions to realize a rollback operation of the distributed transaction. The method of the application effectively solves the problem of data inconsistency caused by partial submission failure of the distributed transaction while reducing the development complexity.

The invention provides a distributed transaction sorting method based on a time sequence, and the method comprises the steps: distributing a unique time stamp for each to-be-packaged transaction, and enabling the unique time stamp to serve as a primary sorting attribute; performing multi-attribute priority scoring on all to-be-packaged transactions in the consensus node memory pool by adopting an analytic hierarchy process to generate an optimal sorting list; calculating a Kendall Tau coefficient between an actual sorting list and an optimal sorting list of the consensus nodes, and calculating to obtain a compliance degree for correcting a final score of each transaction; and dynamically adjusting the size of the block according to the corrected score of each transaction so as to control the uplink sequence of the transaction and prevent attacks. According to the method, transaction initiation time is taken as a sorting core, strict time sequence execution of transactions in the block chain network is realized, any subsequent transaction queue jumping is prevented in combination with sorting compliance measurement and block propagation excitation, and sandwich attacks are completely eradicated based on a distributed mode.

A system for processing distributed transactions is provided. The system includes a sequencer that communicates an atomic message stream to multiple different service instances. The service instances each process the messages from the message stream into a local queue. Each service instance also executes a state machine by reading messages from a queue and transitioning between states in the state machine while also performing one or more operations in connection with performing a distributed transaction.

The invention relates to the technical field of power systems and carbon trading, in particular to a zero-carbon park electricity-carbon joint distributed trading method based on carbon-green certificate market coupling. The method comprises the steps of constructing an objective function of a zero-carbon park electricity-carbon joint distributed transaction model based on carbon-green certificate market coupling, and constructing a carbon and green certificate market transaction model and a carbon-green certificate market coupling method of the zero-carbon park. The method comprises the following steps: constructing gas turbine, energy storage equipment, central air conditioning equipment, electric power balance and carbon emission balance constraints of a zero-carbon park electricity-carbon joint distributed transaction model based on carbon-green certificate market coupling, and carrying out distributed solution on the multi-park electricity-carbon joint transaction model by adopting an adaptive step length alternating direction multiplier algorithm; and obtaining an operation decision of the zero-carbon park system, and scheduling the zero-carbon park system. According to the zero-carbon park electricity-carbon joint distributed transaction method based on carbon-green certificate market coupling provided by the invention, collaborative optimization of electricity transaction and carbon emission right and green certificate matching is realized, the utilization efficiency of renewable energy sources in the park is remarkably improved, and the overall carbon emission level of the zero-carbon park is reduced.

Embodiments of the present application provide a distributed correction system, a computer readable storage medium and an electronic device, comprising: a central control layer comprising a scheduler, configured to decompose a mixed branch transaction into resource nodes and transaction nodes based on a correction request, and construct a reverse dependency graph to generate a reverse scheduling instruction, and route the reverse scheduling instruction to the corresponding transaction node; a basic data layer configured to extract an original transaction change log based on the reverse scheduling instruction in the case that the reverse scheduling instruction is routed to the corresponding transaction node; and a bottom execution layer configured to generate a reverse operator sequence based on the reverse scheduling instruction, and perform a correction operation based on the reverse operator sequence and the original transaction change log, to generate and execute a database instruction, to generate and update transaction modification data and execute a certificate. Therefore, at least the problem of poor consistency in correcting submitted distributed transaction data in the related art is solved.

The invention belongs to the technical field of supply chain finance, and particularly relates to a warehouse receipt intelligent management method and system based on a block chain, a hierarchical architecture is adopted, the warehouse receipt intelligent management system comprises a front-end interaction layer, a service gateway layer, a micro-service layer and a data storage layer, and the hierarchies work cooperatively through standardized interfaces; the micro-service layer integrates an authority authentication module, a warehouse receipt management module, a block chain evidence storage module and the like, is matched with dual verification and a distributed transaction mechanism, and is combined with an electronic signature containing an identity verification and signing willingness confirmation process and a security component covering JWT authentication and data desensitization functions to realize full-life-cycle operation such as warehouse receipt generation, pledge, circulation and the like; according to the system, warehouse receipt key information hash values are subjected to cochain evidence storage through an alliance chain PBFT consensus, and mixed storage is matched, so that the data non-tampering performance and the legal validity of electronic warehouse receipts are guaranteed, the response efficiency of the system is improved, the trust cost of multi-role cooperation of storage, finance, trade and the like is reduced, and the pain points that traditional warehouse receipts are easy to counterfeit and evidence storage is difficult to trace are solved.

The application provides a SAGA-based distributed transaction implementation method and device. The method comprises the following steps: binding a SAGA transaction coordinator with a composite service to obtain a bound composite service, the SAGA transaction coordinator is used for coordinating distributed transaction related layer operations of the composite service and plays a role of monitoring transactions; and the distributed transaction is executed by using the bound composite service. The SAGA transaction coordinator is bound with the composite service to obtain the bound composite service and execute the distributed transaction, so that a transaction coordinator does not need to be separately deployed, the problem that, when a large number of transactions occur, the performance of the transaction coordinator server is greatly stressed due to the fact that each transaction needs to interact with the transaction coordinator, and the non-functional guarantee such as high availability and high performance of the transaction coordinator when the transaction coordinator is separately deployed does not need to be considered.

The invention discloses a transaction operation method and device, equipment and a storage medium, and the method comprises the steps: respectively sending a preparation request to each participant in response to a request instruction for transaction execution initiated by a main coordinator, so as to enable each participant to return a response; determining a standby coordinator from a plurality of predetermined to-be-screened coordinators; whether each participant returns a response or not is judged, and if yes, a corresponding response copy is obtained and generated; the response copies corresponding to the participants are sent to the standby coordinator; and monitoring whether the main coordinator has a fault in real time, and if so, taking over the transaction operation between the main coordinator and each participant by the standby coordinator according to the response copy. The standby coordinator is introduced, it is ensured that when the main coordinator breaks down, the standby coordinator can replace the main coordinator to process the distributed transaction, the reliability and transaction consistency of the distributed transaction system are ensured, and normal operation of the whole transaction operation process is ensured.

This invention discloses a pricing method and system for distributed electricity transactions in industrial parks that considers the bounded rationality game theory of prosumers and consumers, relating to the field of distributed transaction technology. The method includes: designing a distributed transaction structure for industrial parks, clarifying the transaction identities of prosumers and consumers and the roles of operators; constructing a prosumer payoff model based on prospect theory, deriving the payoff prospect value function, and calculating risk preference parameters through questionnaires and maximum likelihood estimation; constructing a non-cooperative game theory model of prosumers and consumers; and designing a distributed transaction pricing algorithm for industrial parks to maximize the total electricity transaction volume by iteratively updating transaction prices. This invention can capture the bounded rationality characteristics of prosumers and consumers, promote low-price and efficient electricity consumption, improve transaction stability and economy, and provide an effective solution for distributed transaction pricing in industrial parks.

The invention provides an unmanned aerial vehicle cluster autonomous reasoning method and an unmanned aerial vehicle cluster autonomous reasoning system based on a lightweight Actor-Critic framework. According to the method, a decision tree strategy network is adopted as an Actor module to carry out strategy decision, a value evaluation module based on a finite-state machine is adopted as Critic to carry out value estimation and TD (0) updating, a lightweight consistency coordination module is introduced, and resource and behavior consistency of cooperative actions of multiple unmanned aerial vehicles is ensured through a reservation-rollback transaction process. According to the method, the decision tree and the finite-state machine are used for replacing a complex deep neural network, the defects that an existing deep reinforcement learning algorithm is huge in model, high in reasoning delay and difficult to deploy on airborne embedded equipment are overcome, meanwhile, the problem that cluster collaboration is prone to failing in the communication unstable environment is solved through a distributed transaction mechanism, and the method is suitable for being popularized and applied. And finally, low-delay, high-consistency and high-robustness autonomous reasoning of the unmanned aerial vehicle cluster under the resource limited condition is realized.

A system for processing distributed transactions is provided. The system includes a sequencer that communicates an atomic message stream to multiple different service instances. The service instances each process the messages from the message stream into a local queue. Each service instance also executes a state machine by reading messages from a queue and transitioning between states in the state machine while also performing one or more operations in connection with performing a distributed transaction.

The invention provides a data fragment copy deployment method, a data fragment copy deployment device, a medium and electronic equipment, in the method, a copy combination which is subjected to co-occurrence access in a historical transaction execution process can be determined by obtaining access time delay among data centers and historical transaction execution records of the data centers. On the basis, each data fragment copy contained in a high-frequency co-occurrence first-class copy combination is deployed in the same data center, and each data fragment copy contained in a low-frequency co-occurrence second-class copy combination is deployed in each data center of which the network delay is as small as possible. According to the method, the target data center of each data fragment copy is determined, and each data fragment copy is redeployed to the corresponding target data center, so that the localized access proportion of the high-frequency transaction is improved, and the overall execution efficiency of the distributed transaction is improved.

This invention discloses a business model orchestration and collaborative execution method for diagnosing complex business logic. The method comprises six parts: First, business model abstraction and layered construction, including component-based business modeling, domain-driven design-based business context partitioning, and aggregation of related services. Second, intelligent orchestration engine design, including dynamic process assembly, execution strategy configuration, and diagnostic probe implantation. Third, a distributed collaborative execution framework, including event-driven architecture, distributed transaction control, and resource scheduling optimization. Fourth, real-time diagnosis and root cause analysis, including multi-dimensional monitoring, dynamic topology analysis, intelligent diagnostic engine, and root cause localization. Fifth, collaborative governance and optimization closed loop, including knowledge accumulation, automatic repair, and process optimization suggestions. Sixth, collaborative task execution, allocating resources according to business type and collaboratively executing concurrent tasks. Finally, the results of business model orchestration and collaborative execution are output. This invention achieves efficient collaborative execution and automatically diagnoses problems during the execution process.