110results about How to "Fast read and write" patented technology

The embodiment of the invention discloses a read-write method and system for a database. The method comprises the steps of: transversely cutting record data according to a main keyword into a plurality of data segments, wherein each data segment is stored as a write copy and corresponding read copies, and the write copy is stored in form of line storage, so that the write performance of the database is optimized; the read copies are stored in form of column storage, and data in each read copy is organized in different manners, so that the read performance of the database is optimized. According to the method, an overall index and a local index are further established, so that the operating position of data to be written or to be read can be quickly positioned when data is written or read. According to the embodiment of the method or system, not only is data quickly written, but also data can be quickly read.

The invention discloses a distributed WEB micro service container cluster architecture system and an implementation method thereof. The system comprises a front-end cache content distribution network,a high concurrent container cluster service stack and a shared data aggregation, wherein the front-end cache content distribution network contains a load balancer, a data buffer, an information proofreading module, a traffic filter, and a DNS node arbitration module; the high concurrent container cluster service stack contains a container monitoring module, a container scheduler, a container cluster management module, a service association middleware, a service manager, and a container security module; and the shared data aggregation contains a data load distribution equalizer, a data synchronization module, a reading and writing separation module, and a disaster recovery module. The method comprises the steps of: obtaining a user request, performing DNS arbitration, cleaning garbage traffic, acquiring reading and writing operations, proofreading consistency of module verification information, loading caching, selecting a service, associating the service, monitoring arbitration, scheduling the container, determining security, and acquiring data. The invention is applicable to system architectures in large distributed services.

The invention discloses a data synchronization method and device. The method comprises the steps of reading a catalogue index file in a first data source, thereby obtaining data catalogues of n applications contained in the catalogue index file; reading a data index file Ei contained in the data catalogue Di; resolving an update configuration file of the application Ai, thereby obtaining catalogues of target data and a type attribute of the target data in the application Ai, wherein the target data is the data on which data synchronization needs to be carried out; and converting a data structure of the data in the first data source according to the change information in the data index file Ei and the type attribute of the target data, wherein a second data source obtains the data after the data structure is converted in the first data source, thereby finishing data synchronization. According to the method and the device, the technical problem that in the prior art, the synchronization performance of the data between different databases is relatively low due to the fact that a user cannot screen the data needing to be synchronized according to the demand of the user is solved.

The invention relates to a data read-write method and a system. The data read-write method comprises the steps as follows: a write operation request and a user identifying number are acquired; a data block corresponding to the user identifying number is read from a first data file according to the user identifying number; then a new data block is generated according to the write operation request and the read data block; the new data block is written in the first data file in sequence; the corresponding relation between the new data block and the user identifying number and the deflection address information of the new data block are recorded; and a read operation request and the user identifying number are obtained, and a new data block corresponding to the user identifying number is read from the first data file according to the corresponding relation among the read operation request, the user identifying number and the new data block as well as the deflection address information of the new data block. The data read-write method and the system can achieve quick read-write of multiuser data and can improve the read-write speed.

The invention provides a method for realizing discrete display card video memory distribution on a Godson computing platform. A TTM (thermal texture maps) video memory management method is adopted for solving the video memory access control problem. The method comprises the following steps that 1, data structure definition facing a TTM algorithm is designed on the basis of the TTM algorithm, a buffer object data structure and a base class thereof are created, and the data replacement and the CPU (central processing unit) mapping are realized; 2, an isolation mechanism is designed for realizing the data synchronization, the locking on a buffer region is realized through the fence on the created buffer region, the data synchronization is further realized, and the access of multiple processes or multiple processor kernels on the same buffer region object at the same moment is realized; 3, a kernel calling method based on a secondary cache lock mechanism of a Godson 3B processor chip is adopted, two system calling sys_scache_lock and sys_scache unlock are added to an operating system kernel, the locking on a secondary cache in a Godson chip is realized, the fast access, reading and writing effect of a DMA (direct memory access) on video memory data is improved, the data synchronization in the second step is combined, and the display card video memory data access control is realized.

The invention discloses an intelligent industry patrol mining instrument, a patrol mining system and an intelligent patrol mining method based on radio frequency identification, wherein, the intelligent industry patrol mining instrument comprises memory modules, interface modules, clock modules and a microprocessor CPU of a display and touch screen circuit; the CPU is connected with a frequency identification circuit module through a voltage conversion circuit; the frequency identification circuit module can identify corresponding radio frequency electronic tags pasted on the equipment to be treated with patrolled mining. The intelligent patrol mining system comprises an upper management system and n intelligent industry patrol mining instruments and equipment groups to be treated with patrol mining; each machine of the equipment groups to be treated with patrol mining is pasted with a radio frequency electronic label; the upper management system is provided with an upper management machine and a database server for managing and scheduling the whole patrol mining task, information data of storing equipment groups and historical patrol mining data; the intelligent patrol mining instrument integrates with patrol mining software system and matches with the upper management system software of the upper management machine and the database server to finish the industry patrol mining task.

The invention provides an organic material resistance random access memory element and a manufacturing method thereof. The structure of the memory element comprises a lower electrode layer, a resistance random dielectric layer, and an upper electrode layer arranged in sequence from bottom to top. The lower electrode layer is an ITO layer. The resistance random dielectric layer is CH3NH3PbI(3-x)Cl3 layer. The upper electrode layer is an Ag layer or an Al layer. The manufacturing method for the organic material resistance random access memory element comprises: using a sol-gel method to form the CH3NH3PbI(3-x)Cl3 layer on the ITO layer of ITO glass, and then performing annealing treatment, and then using a vacuum evaporation method to deposit Ag or Al upper electrode layer on the CH3NH3PbI(3-x)Cl3 layer, and finally a resistance random access memory element whose heterostructure form is Ag or Al/CH3NH3PbI(3-x)Cl3/ITO is formed. The organic material resistance random access memory element is stable in performance, and has relatively good fatigue resistance and holding property.

The invention discloses a communication method. The communication method comprises the steps that: S10, a mobile terminal sends a plurality of parallel request messages to a transit server; S20, the transit server queries a database for obtaining a long connection server corresponding to a router; S30, the transit server sends the plurality of parallel request messages to the long connection server one by one according to a preset rule: S40, the long connection server forwards the request messages to the router; S50, the long connection server receivers a plurality of parallel response messages sent by the router and forwarding the response messages to the transit server; and S60, the transit server receives and processes the response messages and forwards the response messages to the mobile terminal. According to the invention, processing mechanisms of parallel message serialization and serial message parallelization are adopted, the information jam problem of concurrent requests in the prior art is effectively solved, and the signal transmission efficiency is improved.

The invention discloses a data statistics device and a data statistics method. The data statistics device comprises an output module, an external statistics module and an input module, wherein the output module is used for outputting the content of a data source table in a database to an external file which is preliminarily defined outside the database; and the external statistics module is used for the data statistics of the external file and obtaining a statistics result; and the input module is used for inputting the statistics result in a statistics table of the database. A data statistics process is mainly performed outside the database and an input process and an output process have little influence on the data source table and the statistics table of the database, thereby solving the problems of severe service call loss and lower statistics real-time property caused by locking the data source table for a longer time during great data statistics in the database.

The invention discloses a pedestrian target prompting and collision early-warning system based on an infrared spectral imaging and artificial lateral line technology. Dynamic infrared images of a visual field scene by means of an infrared assembly, pedestrian targets in the infrared image of each time frame are screened by utilizing an Adaboost algorithm, so that the early warning is more targeted, a dangerous target is screened from the pedestrian targets by further utilizing a traversing algorithm and an approximation algorithm, a distance and a speed of the dangerous target are sensed withthe assistance of an artificial lateral line unit, a collision time of a vehicle and the dangerous target is calculated, and a collision early-warning prompt is given when the collision time is less than a specified threshold value. A pedestrian early-warning method and a pedestrian early-warning method system disclosed by the invention are especially suitable for crowd-gathering areas such as a commercial area and a traffic intersection, and solve the problems that pedestrian features change greatly and are difficult to detect and warn in advance.

The invention discloses a radio-frequency read-write express and freight information system and an express operation method based on the system. The radio-frequency read-write express and freight information system comprises an express packaging bag and a cargo body and further comprises a paper form body, a radio-frequency functional card and a form envelope for placing the radio-frequency functional card. The express operation method comprises the steps of delivery taking, transfer, shipping and delivery based on the radio-frequency read-write express and freight information system. According to the system and the method, the traditional express and freight information form function is reserved, a radio-frequency chip is added, the use cost is lower than that of the traditional non-carbon replication form, an express cargo has a radio-frequency read-write function, is written in or read remotely, sorted automatically, warehoused intelligently and circulated intelligently, and the problems in last mile mails and cargo consolidation in the post express business are solved.

The invention discloses a method and device to migrate resource data and belongs to the technical field of data storage. The method comprises: periodically updating hotspot values of all resource datastored in first and second storage media one by one, wherein the reading-writing speed of the second storage medium is higher than that of the first storage medium; after the hotspot value of any piece of the resource data is updated, determining first resource data having the highest hotspot value in the first storage medium and second resource data having the lowest hotspot value in the secondstorage medium; if the hotspot value of the first resource data is higher than that of the second resource data, migrating the first resource data to the second storage medium. The method and device can provide improved resource data acquisition efficiency.

The invention discloses an urban express cargo midway delivery system and a delivery method thereof, wherein the urban express delivery midway delivery system in the present invention includes: a delivery channel, an elevator, a cargo storage and retrieval cabinet, a transport vehicle and a central controller; the delivery channel and The access channels are respectively provided with traveling rails, and a rail transfer device is provided between the intersecting traveling rails; the elevator is arranged at the end of the access channel; the cargo storage and withdrawal cabinet is arranged next to the elevator; the transport vehicle includes a frame and a driving device , wheels and cargo boxes, the wheels are matched with the traveling rails; the central controller is connected with the rail transfer device, the elevator, and the cargo storage cabinet through the control signal line or network. The midway transportation method of urban express goods in the present invention is used in the above system, and the urban express goods midway transportation system and its transportation method of the present invention can implement fast meal delivery in the city without being affected by traffic factors, and expand the meal delivery service delivery range.

The invention provides a device for carrying out data transmission with a terminal, which comprises a plurality of memory slots, a slot switcher and a switching controller, wherein the memory slots are correspondingly inserted into a plurality of memories; the slot switcher is used for selectively connecting one or a plurality of memory slots; and the switching controller is connected with the terminal through a terminal interface and is used for controlling the selective connection of the slot switcher according to the instruction of a host. The device can be used for achieving the purposes of quickly reading and writing and providing good expandability, flexible configuration of data redundancy and backup for a PCI-E technology.

The invention relates to a big data technology, and discloses a file data writing method, which comprises the following steps of: storing a plurality of acquired files and generating a file task list;calling files in the file task list to gather the files into a temporary file set, and classifying the files in the temporary file set to obtain a classification task table; selecting the files of the same classification in the classification task table and putting the files into a preset task queue; when vacancies appear in the task queue, selecting the files of the same classification to be putinto the task queue until all the files of the same classification in the classification task list are put into the task queue, selecting other files of the same classification to be continuously putinto the task queue, and writting the files in the task queue into preset electronic equipment. The invention further provides a file data writing device, electronic equipment and a computer readablestorage medium. According to the file data writing method and the file data writing device, the problems of low writing efficiency and high cost of ten-million-level file data can be solved.

The invention discloses a redis-based data storage method and device and aelectronic equipment. The method comprises the steps of dividing data into a first data structure and a hash data structure according to a storage type of redis; storing the data of the first data structure by adopting BitMap and Murmur; and performing block distribution by adopting the hash data structure and the consistenthash to store the data of the hash data structure. Through a redis-based data storage mode, the storage problem in a high-concurrency and low-delay scene is solved, quick reading and writing in the high-concurrency and low-delay scene are realized, and the user experience is greatly improved.

The invention discloses an RFID based asset full life cycle management method, and relates to the technical field of asset management. The RFID based asset full life cycle management method is characterized in that data exchange between an equipment tag and an application system and a server through an RFID reader and RFID middleware, current state data of equipment in the tag is acquired throughthe RFID reader and uploaded to the server, fault diagnosis for the equipment state is realized through an expert fault diagnosis system, and the state and the service life of the equipment are determined, so that the comprehensive utilization efficiency of the equipment is improved, and effective tracking and management for the whole process such as asset equipment model selection, purchase, manufacture supervision, installation, debugging, acceptance inspection, running, maintenance, overhauling, transformation, retirement and scrapping; the current state data of the equipment is further uploaded to each application system so as to provide data support for each application system to understand the current state of the equipment, thereby timely releasing a maintenance task, and avoiding occurrence of an equipment fault as soon as possible.

The invention discloses a data storage system and a method based on a cascade Expander, comprising: a RAID card and four Expander chips; wherein the four Expander chips are: Expander 1, Expander 2, Expander 3 and Expander 4; the Expander 1 and the Expander 2 are respectively connected with the RAID card through two SAS lines, Expander1 is connected to Expander3 via two SAS cables, Expander3 is connected to Expander4 via two SAS cables, and Expander4 is connected to Expander2 via two SAS cables. The invention can form a virtual hard disk distribution and connection diagram according to the reported hard disk information through a RAID card, and select the fastest IO link according to the data quantity requested by IO and the hard disk distribution, thereby improving the storage speed.

The invention discloses a novel memory material - an amorphous solid electrolyte membrane (AgI) x (AgPO3)1-x, which is utilized to prepare a nonvolatile memorizer and can be used for an integrated circuit like information storage and other varieties. The amorphous solid electrolyte membrane (AgI) x (AgPO3)1-x of the invention is characterized in that: the (AgI) x (AgPO3)1-x is a solid electrolyte membrane material, has ionic conductivity, can be reversibly converted into electronic conductivity under certain conditions and takes the structure of an amorphous material under room temperature, and the nonvolatile memorizer with small size, high density and stable performance can be prepared by utilization of the membrane. The invention provides a preparation method for the amorphous solid electrolyte membrane (AgI) x (AgPO3)1-x, comprising the following steps: AgI, AgNO3 and (NH4)2HPO4 with adequate mixture ratio are melted and then fabricated into glass target materials, and then the amorphous solid electrolyte membrane is prepared by utilization of a laser pulse sedimentation method.