13results about How to "Reduce sync delay" patented technology

The invention relates to the technical field of block chains, in particular to a distributed Internet of Things management method and system based on edge cloud computing. The system comprises an intelligent data acquisition module, a self-adaptive data synchronization module, an access control module, a block chain optimization module and a security authentication module. The intelligent data acquisition module collects equipment data in real time, and the adaptive data synchronization module realizes cross-regional synchronization based on a HyperSync technology. The access control module intelligently distributes user and equipment requests by using a HyperAgent technology and transmits the user and equipment requests to the block chain optimization module, and the block chain optimization module optimizes the data processing performance of block chain nodes through a Hyper I O technology. And the security authentication module is combined with a dynamic key and a zero-trust authentication mechanism to realize multi-level application and equipment security authentication. According to the invention, the real-time performance of Internet of Things management, the stability of cross-regional synchronization, the intelligence of request processing, the efficiency of block chain operation and the overall security of the system are improved.

The invention discloses a method and equipment for opening product capability in a multi-level architecture Internet of Things platform scene, and the method comprises the steps: automatically discovering three types of products, namely Internet of Things platform service, Internet of Things application service and terminal product service, managing the dependency relationship among the services, recognizing key fields in selling applications and public products in subordinate nodes, performing accurate matching with an internal service field; dynamic interface registration and business logic intelligent arrangement are carried out, the services provided by a subordinate node are dynamically registered through a capability gateway, interface services such as account synchronization, product creation, application creation, business synchronization, equipment registration and equipment activation verification are included, business logic arrangement is carried out, and an interface calling strategy is dynamically adjusted; and optimal arrangement and calling of the service logic are realized. According to the method, a series of links such as opening, acceptance, installation and maintenance can be performed on the local product based on the partial nodes in a two-stage architecture Internet of Things platform scene, the IT process can be tracked, and operation and maintenance of the product are facilitated.

The invention discloses a rolling data stream digital comparison and coordinate capture device and method based on a comparison tree. The device comprises an input processing module, a subgroup comparison module and a global comparison module, the input processing module is connected with the subgroup comparison module, and the subgroup comparison module is connected with the global comparison module; the input processing module is used for receiving input data, performing bit extension according to parity of the data, triggering a comparison enable signal and providing data to be compared and X coordinate offset information of the data to be compared; the subgroup comparison module is used for carrying out local extreme value judgment on the received data subgroups based on a comparison tree structure and capturing and outputting corresponding coordinate information at the same time; and the global comparison module is used for summarizing the local extreme value information of each data subgroup, and determining the global extreme value of the whole data stream and the corresponding coordinate thereof through a continuous comparison process. According to the method, complete streamlined processing can be realized, and compared with a traditional scheme, the real-time processing requirement can be met, and meanwhile, the hardware design complexity is reduced.

The invention discloses a page view statistical method, device and equipment, a medium and a product, and is applied to the technical field of big data processing. The method comprises the following steps: under the condition that a client initiates a first access request, if the number of indexes stored in a database is greater than a preset threshold value, archiving all first indexes currently stored in the database to obtain a second index; under the condition that the access time of the first access request is within the time range corresponding to the second index, storing the first access request in a third index; receiving a query request sent by a client; obtaining a target access identifier matched with the target statistical information; obtaining at least one target index matched with the target access identifier and the statistical time range; and counting the access requests stored in all the target indexes to obtain a statistical result meeting the query condition, and sending the statistical result to the client. According to the embodiment of the invention, the accuracy of page view statistics can be improved.

The application discloses a MongoDB dual-master synchronization method and system supporting field-level concurrent writing, and relates to the technical field of data synchronization of distributed databases. The method listens to change events of a local MongoDB cluster and writes the change events into a local Kafka; synchronizes change events of a remote Kafka to the local Kafka, consumes the change events of the remote Kafka; maintains a field-level version information set; consumes the change events in the local Kafka and queries the latest operation version related to the change events in the field-level version information set; compares the latest operation version with the version number of the change events, and if the version number of the change events is less than or equal to the version number of the latest operation version, determines that it is an abnormal operation and executes rollback correction. The method realizes field-level eventual consistency transparent to business, supports free concurrent writing at any point of dual clusters and does not lose non-conflict field updates, and at the same time, guarantees low synchronization delay and high reliable disaster recovery capability in an efficient and lightweight manner.

The invention relates to the technical field of data synchronization, and provides a data synchronization method and device and an urban rail signal system. The method comprises the following steps: based on a target state of dual-computer equipment in a cluster, determining a host computer and a standby computer in the dual-computer equipment; based on a Stream message queue, synchronizing data in the host to the standby machine in a target format; the target state comprises a network card state of each device in the dual-computer device and a heartbeat connection state between the dual-computer devices; the target format comprises a unique identifier of the standby machine, a preset data field and a data packet of a data object to which the preset data field belongs. According to the data synchronization method and device and the urban rail signal system provided by the invention, the host and the standby are determined based on the target state of the dual-computer equipment, the switching flexibility can be improved, the synchronization time delay can be reduced by introducing the message queue for data transmission, and the flexible expansion of new service data can be realized by designing the target format.

The invention discloses a production line management and control integrated data synchronization method and system based on a big data technology, and relates to the technical field of production line data synchronization, and the method comprises the steps: marking production orders and production process data, generating production line management and control integrated data when detecting that the data changes, and triggering a synchronization mode judgment strategy; preliminarily selecting a synchronization mode according to the data volume, calculating synchronization time by combining the network bandwidths of the serial and parallel channels, and further selecting the synchronization mode; setting a serial and parallel synchronous waiting queue and a mark matching queue; different conditions of production order data and production process data are considered in design: when only the production order data is included, sorting is performed according to priority indexes; when only the production process data is contained, sorting is performed according to the production order and the task node sequence; when the two exist simultaneously, the method is synthesized for sorting; according to the design, accurate and efficient synchronization of production data is ensured, and the integration level and flexibility of production line management and control are improved.

The invention provides a warehouse material arrival consistency verification method and system, and belongs to the technical field of intelligent warehousing, and the method comprises the steps that a robot upper computer issues an arrival verification task to a WMS through an interface, receives a standard image, a nameplate field template and technical parameters returned by the WMS, and caches the standard image, the nameplate field template and the technical parameters to the local; the robot carries out image acquisition around the arrival material, positions a nameplate area from an image and carries out image preprocessing, and nameplate text information is extracted through an OCR mode; the robot upper computer extracts a material appearance feature vector from a collected arrival material image, extracts a nameplate region feature vector from nameplate text information, calculates an image similarity score and a text consistency score, fuses the scores, generates a comprehensive confidence coefficient, and generates a verification conclusion according to a comparison result of the comprehensive confidence coefficient and a preset threshold value. According to the invention, full-process automatic verification of the storage materials is realized, the single-piece verification time is shortened, the false identification rate is low, the inventory is synchronously updated, and the storage tracing requirement is met.

This invention provides a cross-terminal collaborative editing system for a digital design platform for woven products, relating to the field of data processing. The system includes: generating and broadcasting semantic summaries of suspended intentions on each terminal to preserve historical data by recording and accumulating influence trajectories in parallel; determining and issuing structural changes in a single step within a delay window based on tension compatibility, replacing gradual merging; sealing breakage features at connection breaks and releasing residual energy in priority order to trigger micro-rearrangement; generating transferable history seeds based on minimum topological closure and recombination primitives to support local compatibility and synthesis; implementing retrospective freezing for suspected unstable changes and unsealing and repairing them upon detection of complementary events or triggering according to rules; and forming a nonlinear self-reinforcing collaborative editing closed loop through cyclical feedback of time and energy.

This invention provides a method and system for rapid attack surface convergence under a critical protection mode, relating to the field of network security technology. The method includes: acquiring target data; setting a critical protection mode; selecting the critical protection mode corresponding to the target data through a control center; determining a policy scheduling template based on the critical protection mode; obtaining multi-gateway policies through encrypted long connections based on the policy scheduling template; performing multi-verification on the terminal based on the multi-gateway policies; establishing a secure encrypted tunnel by combining the verified terminal and gateway nodes; and controlling the transmission of target data to target data through the secure encrypted tunnel. This invention precisely adapts to the protection needs of critical protection scenarios, strictly controlling access security through multi-dimensional terminal verification, ensuring the security of target data transmission through an encrypted tunnel, significantly converging the network attack surface, effectively blocking unauthorized access, improving the accuracy, timeliness, and security of network protection in critical protection scenarios, and ensuring the compliance and controllability of core data transmission and access.

This disclosure relates to an event synchronization method and system, a programmable control interface device, and a medium. An event synchronization method is provided, comprising: receiving configuration instructions from a CPU unit by an interface control module of a programmable control interface device, and storing configuration parameters in the configuration instructions to a configuration storage module of the programmable control interface device; receiving event signals sent in real time by multiple asynchronous acceleration units during operation by an event synchronization module of the programmable control interface device, and extracting event information from the event signals; generating an event synchronization control signal by the interface control module based on synchronization rules stored in the configuration storage module, configuration information and processing priorities of the multiple asynchronous acceleration units, and the event information extracted by the event synchronization module; and sending a trigger signal to a target asynchronous acceleration unit according to the event synchronization control signal to trigger the target asynchronous acceleration unit to perform a corresponding operation.

The invention discloses a file synchronization method and device suitable for various hardware environments, a medium and a product. The method comprises the following steps: pre-analyzing acquired information of a sending end, and determining an initial core thread count of the sending end and a single sending amount of a sending queue; dynamically adjusting the initial core thread count of the sending end based on the total data volume of the to-be-synchronized file and a preset dynamic adjustment strategy to obtain the target core thread count of the sending end, then creating the same number of Socket sending threads, and sending the to-be-synchronized file to the receiving end based on the Socket sending threads and the single sending volume; acquiring a single receiving quantity threshold value of the receiving end based on the acquired information of the receiving end; and calling a corresponding writing strategy to write the to-be-synchronized file into a disk corresponding to the receiving end based on the single receiving quantity threshold of the receiving end and the actual sending quantity of the to-be-synchronized file. The method can automatically adapt to different hardware environments and load conditions, realizes automatic and flexible transmission adjustment, and is good in compatibility, efficient and stable.

The invention relates to the technical field of data processing, in particular to a block chain power transaction performance data storage method, which comprises the following steps: preprocessing collected power transaction performance data to output a power transaction data packet, performing hash operation on the power transaction data packet to generate a corresponding hash value, and storing the hash value into a database; generating a data block with a timestamp according to the power transaction data packet and the corresponding hash value; verifying the data block through a consensus algorithm of the block chain to confirm the validity of the data block, and writing the verified data block into a preset position in the block chain to form a performance data block chain; determining whether the storage redundancy of the power transaction performance data needs to be increased; determining whether the Hash operation proof submission frequency under the performance data block chain needs to be reduced or not; and determining the capacity upper limit of the data block Gas based on the packet loss rate of the power transaction performance data communication. According to the invention, the updating real-time performance of the power transaction performance data is improved.