112 results about "Disk storage" patented technology

The invention discloses a memory access method based on a memory expansion controller, a memory expansion card and equipment, and relates to the technical field of computers, and the method comprises the following steps: carrying out twice address mapping on a target access address in a memory read-write instruction through the pre-created memory expansion controller, the target access address is mapped to a hard disk storage space from a processor memory physical address space, whether the mapped access address is hit in a preset cache space or not is judged, and if the mapped access address is hit, read-write operation is directly conducted on corresponding target data in the preset cache space; and if not, performing read-write operation on the corresponding target data in the solid state disk. By means of the mode, the solid state disk can be used as the extended memory of the host, the memory extension cost is remarkably reduced, ultra-large-capacity memory extension can be achieved, accordingly, the memory access cost is reduced, and meanwhile the access speed is taken into account in the mode of presetting the cache space.

The embodiment of the invention provides a key value data processing method, a database platform, equipment, a medium and a product, and the method comprises the steps that in response to a disk refreshing instruction of a target storage unit in a target partition, a target key value pair in a memory buffer area of the target storage unit is obtained, the target key value pair is any key value pair in the memory buffer area, and the target storage unit in the target partition is stored in the memory buffer area; the target key value pair comprises a target index key and a corresponding target data value; if the target data value is greater than the set size threshold value, writing the target data value into a data file, and writing a target index key and a target file path of the target data value in the data file into a disk storage file of a target storage unit, the structure of the data file is the same as that of the disk storage file, the data file and the disk storage file are stored in the same path, the recovery mechanisms of the data file and the disk storage file are different, and the data file and the disk storage file are distinguished through the set file mark added in the metadata area. The invasion to the database is small, and the write amplification is reduced.

The invention provides a satellite service data analysis method and system based on a dynamic protocol, belongs to the technical field of satellite real-time data processing, and is used for analyzing satellite data downloaded by a data transmission link so as to complete closed-loop verification on a satellite data transmission core data flow path. The method depends on the support capability of an on-satellite data transmission system for a multi-channel downloading mode, and the independent, lossless and time sequence fidelity binary disk falling capability of ground detection equipment for each channel data. The method comprises the following steps: acquiring original downlink data highly consistent with an on-orbit state; secondly, adopting a scheduler model to carry out structured segmentation and affiliation allocation on the AOS frame after the original data stream is restored; and finally, dynamically loading a corresponding protocol description file for each data unit, and performing field-by-field decoding according to a mapping rule of binary data and readable engineering quantity to generate structured table data. The method can be widely applied to whole-satellite integration test scenes of various remote sensing satellites such as optics, SAR and infrared.

The invention relates to the technical field of computers, in particular to a database hot loading method, device and equipment based on a persistent memory and a medium, and the method comprises the following steps: constructing a three-level storage structure comprising a dynamic random access storage layer, a persistent memory layer and a solid state disk storage layer; when the current database is in a starting stage, loading the pre-write log from the persistent memory layer, and starting to execute a redo operation and / or a cancel operation from a preset check point so as to recover the state of the current database; and when the current database is in a running stage, obtaining a current data access frequency and a current resource state of each layer in the three-level storage structure, and carrying out cross-layer migration on data in the three-level storage structure based on a preset dynamic scheduling strategy according to the current data access frequency and the current resource state. Therefore, the problems that a traditional database system is long in starting time, high in memory cost, large in resource occupation and the like are solved, and the overall performance and the resource utilization efficiency of the database system are improved.

The invention discloses a data processing method and device, equipment and a storage medium, and relates to the technical field of data processing. The method comprises the following steps: acquiring a first rule to be stored, wherein the first rule comprises a first matching condition and first rule content; storage strategy information corresponding to the first matching condition is generated in a rule storage structure table in the memory, the storage strategy information comprises first partition information used for indicating that the first matching condition is stored in the disk, and the first partition information is partition information of a first partition in the disk; and determining a first condition node corresponding to the first partition and a first rule node configured for the first condition node from a rule network diagram of the disk, storing the first matching condition in the first condition node, and storing the first rule content in the first rule node. Therefore, in a large-scale data storage scene, memory storage is replaced by disk storage, and the problem of high cost of memory storage rules can be effectively solved.

An improved flushing technique controls a draining speed of data from a temporary storage tier to a backend storage tier of a node so that draining logic does not overwhelm an input / output (I / O) workload that is serviced by the storage tiers. Illustratively, the temporary storage tier is a persistent write buffer embodied as an operations log (oplog) and the backend storage tier is persistent physical disk storage embodied as an extent store. The technique improves an oplog flushing algorithm by enabling control of the oplog draining speed (rate) to provide consistent performance when the I / O workload (e.g., a primary ingest I / O stream) is serviced by the extent store and / or oplog during one or more states (e.g., static inertia state, idle state and rebuild state) of the oplog.

1. The name of the design product: the main body of the solid state disk storage device. 2. The use of the design product: the product as a whole and the part claimed for protection are used as solid state disk storage devices to store data. 3. The design points of the design product: the shape of the part claimed for protection. 4. The picture or photo that best indicates the design points: perspective view 1. 5. Other circumstances that need to be explained: the part depicted in solid lines in the view is the part claimed for protection by the present design.

The utility model relates to the technical field of communication gateways, and specifically discloses an electric power intelligent data communication gateway machine, comprising a casing, a signal transmit-receive indicating lamp panel installed on the front side surface of the casing, a port panel arranged on the rear side surface of the casing, and a connection established between the port panel and a mainboard in the casing; the port panel is sequentially provided with a video signal transmission interface, a USB interface, a network port, a serial communication interface, a digital signal output port and a power supply interface from left to right, the mainboard is provided with a PCI slot and a hard disk storage interface which are used for expanding modules, the PCI slot is connected with a network card expansion card and / or a serial port expansion card, one side of the mainboard is provided with a radiator, and the other side of the mainboard is provided with a power supply interface. The cold end of the radiator is connected with the mainboard, and the heat dissipation end of the radiator is arranged on the outer side of a shell body of the machine shell. According to the utility model, the applicability of the device in the electric power field can be improved, the stability and reliability of the overall operation of the device are guaranteed, and the defects of insufficient expansibility and flexibility are effectively solved.

This invention provides a method, device, and medium for segmenting network flow data packets, relating to the field of network flow data packet segmentation technology. The method includes: determining the communication type between terminal devices corresponding to target network flow data; segmenting the target network flow data using a preset fixed duration; obtaining the target task identifier corresponding to the target network flow data; segmenting the target network flow data using the segmentation duration corresponding to the task identifier in the segmentation duration mapping table that is the same as the target task identifier; if the target task identifier does not exist in the preset segmentation duration mapping table, then segmenting the target network flow data using a preset fixed duration to obtain several network flow data packets corresponding to the target network flow data. This invention can significantly improve the processing efficiency and resource utilization of subsequent data packet caching, transmission, disk storage, and analysis stages.

This application provides a data export method, apparatus, device, and storage medium, relating to the field of storage technology. The method includes: after establishing a connection with a target device via a USB interface, sequentially copying the storage information in the first N sectors of the disk to the target device through a global memory variable; after the storage information copying is complete, converting the data in the first data sector into document data and storing it in the global memory variable; when reading the target document, first copying the document data of the first data sector from the global memory variable to the target device, then sequentially converting the data in subsequent data sectors into document data and copying it to the target device through the global memory variable, until the target document export is complete. This application utilizes a global memory variable to flexibly and dynamically export documents according to the file system specifications, without requiring additional disk storage space to store the generated documents, significantly saving hardware costs.

The application discloses a method for executing data writing by using an autonomous yielding mechanism in a multi-CPU architecture, which is suitable for a solid state disk storage device. The method divides a main buffer area into multiple sub-buffer areas, each of which corresponds to at least one CPU, independently processes data writing and maintains a writing state; a global data consistency mark table and a local mark table are established to track the writing progress of each sub-buffer area, forming a double-layer consistency management. Each CPU sequentially writes data according to the corresponding sub-buffer area, and autonomously judges whether to interrupt, shorten or abandon the current writing section based on local observation information, temporarily yields the writing permission to other CPUs, temporarily retains and tracks the written data, continues writing when the subsequent CPU is completed or the system allows, and synchronously updates the mark table after any writing or yielding is completed, so as to maintain data consistency and overall efficiency.

The invention discloses a data processing method, a solid state disk, a system and a storage medium, and relates to the technical field of solid state disk storage, and the data processing method comprises the steps that it is detected that an NVMe PCIe link configures an instruction register, and an NVMe KV instruction is loaded from a host memory; based on the NVMe KV instruction, obtaining a key value pair configured by a host according to to-be-operated data and an operation code corresponding to a host demand operation type; the KV operation corresponding to the operation code is executed according to the key value pair, and the configuration operation of the key value pair is unloaded to the host to be executed, so that the computing resource occupation amount of the SSD is reduced, and the service quality of the SSD is improved.

The application discloses a high-definition playing method based on video background separation, comprising the following steps: S1, a streaming module pulls original data and sends the original data to a transcoding device; S2, the transcoding device performs secondary compression on the received original stream, extracts background content in the original stream and makes the background content into SEI segments; S3, the transcoding device transmits the secondary compressed data to the streaming module, at this time, the streaming module comprises the original stream and the compressed stream; S4, if a user watches a real-time stream, at this time, the compressed stream is transmitted to a client through a streaming media device, the client detects SEI, re-integrates the SEI segments, restores clear YUV background data, and superimposes the clear YUV background data on each frame of data of the compressed stream, so that the compressed stream is played in a clear state; the compressed stream enters a recording module and is stored, and in the recording process, an index module detects SEI frames carrying background data in real time and records indexes in disk storage, and the indexes correspond to recording segments.

This application provides a method, apparatus, device, and storage medium for determining disk temperature, relating to the field of disk security technology. The method includes: for each disk in a disk storage enclosure, first acquiring the heat dissipation information of the slot where the disk is located and the corresponding disk utilization rate; and based on the heat dissipation information of the slot where each disk is located and the corresponding disk utilization rate, selecting multiple candidate disks from all disks in the disk storage enclosure; determining a target temperature based on the temperature of each candidate disk; wherein the target temperature is used for temperature regulation of the disks in the disk storage enclosure. The technical solution of this application can solve the defect in the prior art where the target temperature determination cycle is long, resulting in a lag in the determined target temperature, thereby improving the timeliness of the determined target temperature.

1. The name of the design product: the main body of the solid state disk storage device. 2. The use of the design product: the product as a whole and the part claimed for protection are used as solid state disk storage devices to store data. 3. The design points of the design product: the shape of the part claimed for protection. 4. The picture or photo that best indicates the design points: perspective view 1. 5. Other circumstances that need to be explained: the part depicted in solid lines in the view is the part claimed for protection by the present design.

The utility model provides an air separation device control system, and relates to the technical field of air separation devices, the air separation device control system comprises an air separation device main body, an RAID data storage unit and a control terminal, the RAID data storage unit comprises a plurality of hard disk storage modules so as to realize scattered storage, redundant backup and rapid recovery of operation data of the air separation device main body, the air separation device is simple in structure and reasonable in design, and by arranging the RAID data storage unit with the multiple hard disk storage modules, scattered storage, redundant backup and rapid recovery of operation data of the air separation device body can be achieved, and therefore stable and reliable control over the air separation device body is achieved.

The utility model discloses an industrial mainframe box with a high-protection connecting structure, which relates to the technical field of industrial hosts and comprises a box body, an interface slot is arranged on one side surface of the box body, a heat dissipation component is arranged on the other side surface of the box body, a second heat dissipation plate is hinged on one side of the heat dissipation component, and the second heat dissipation plate is arranged on the other side surface of the box body. A hard disk storage groove box is arranged on one side of the second heat dissipation plate and located in the box body, a mainboard placing plate is arranged at one position of the inner bottom face of the box body, and a wire clamping plate is fixedly arranged at the upper end of the mainboard placing plate. The box body is hinged and matched with the second heat dissipation plate, so that the plate body is convenient to open, and the hard disk storage slot box is convenient to operate; through cooperation of the box body and the mainboard placing plate, the mainboard is stably placed, and normal work of the mainboard is guaranteed; through cooperation of the mainboard placing plate and the wire clamping plate, cables are managed in order, and operation of a host is prevented from being affected; finally, the problems that an existing host heat dissipation dustproof net is not detachable and inconvenient to maintain are solved, and convenience, efficiency and stability are improved.

The invention discloses a solid state disk storage method based on data security, which relates to the technical field of solid state disks and comprises the following steps: acquiring a bit sequence of encrypted data, an access record of unencrypted data and real-time power consumption data of a chip; performing feature recombination on the bit sequence, the access record and the real-time power consumption data to generate a dynamically changing encrypted feature map, an access behavior feature code and a power consumption fluctuation feature; analyzing the adaptation relation between the encrypted feature map and the solid state disk storage structure, synchronously generating interference data sets similar to core data features, and reducing the recognizable degree of core data in the storage space through feature interference between the interference data sets, so that the core data can be recognized more accurately. According to the method, the invisibility of core data is improved in two aspects of feature hiding and trace covering, and the defects of a traditional encryption method in the aspects of data feature exposure and operation trace retention are overcome.

The invention relates to a material importing method and device, computer equipment, a computer readable storage medium and a computer program product. The method comprises the steps of obtaining a material import task, and extracting material data information of a target software material in the material import task; identifying a material type contained in the target software material; performing material import mode judgment processing, and determining a material import mode corresponding to the target software material of each material type; and executing material uploading processing on the target software material based on the address information of the material package management machine under the condition that the material import mode is a local disk storage mode, and executing material uploading processing on the target software material in a network uploading mode under the condition that the material import mode is a cloud storage mode. According to the method and the device, local uploading import processing or network uploading import processing is executed on different types of materials through the pre-stored material import logic, so that the flexibility of the material import process is improved, and the material management efficiency is improved.

The present disclosure relates to an image processing method and device, electronic equipment and readable storage medium, wherein the method determines the storage mode of the first image by analyzing the proportion of the difference image block corresponding to the first image in the image editing process, and the snapshot type of the last N snapshots in the snapshot chain generated according to the continuous image editing instructions, so as to reasonably reduce the disk storage space occupied by the snapshots and reduce the time consumption of the electronic equipment executing the user inputted undo editing instruction.

This application provides a data processing method, system, apparatus, device, storage medium, and program product, relating to the field of big data. Applied to any parent company computing node in a confidential environment cluster, the parent company computing node is configured with a confidential environment. The method includes: initiating a data usage request to a subsidiary node and receiving a subsidiary key sent by the subsidiary node; combining the parent company key and the subsidiary key to obtain a disk storage key; decrypting the disk storage data of the subsidiary node stored in the confidential environment using the disk storage key; performing distributed processing on the decrypted disk storage data in the confidential environment to obtain a processing result, and sending the processing result to the subsidiary node. This application's method reduces the risk of data leakage and meets data protection requirements; by distributing the processing tasks through the parent company computing node, it simultaneously solves the problems of large data volumes and high processing time requirements.

The invention discloses a data storage and file management method for managing an SATA (Serial Advanced Technology Attachment) disk based on NorFlash, and belongs to the technical field of disk management. The method is used for a storage control system and comprises the following steps that a PL end of a ZYNQ embedded storage control unit initializes an SATA disk, the storage space of the SATA disk is equally divided into a preset number of storage blocks, and each storage block is distributed with a fixed storage block address in sequence; the method comprises the following steps of: mounting a jffs2 file system on a NorFlash chip; the PS end establishes an SATA disk storage block state total list file in the NorFlash chip, and the occupation state of all storage blocks in the SATA disk storage block state total list is set to be idle; the PS end establishes a file storage thread, a file reading thread and a file deleting thread, and when a file operation instruction is received, the corresponding thread is executed according to the instruction type. According to the method, the jffs2 file system is mounted on the NorFlash chip, so that the stored data can be managed and operated according to files without mounting the file system on the SATA disk.

The application discloses a hard disk storage unit management method, device, equipment, medium and product, relates to the technical field of solid state disks, and dynamically converts storage blocks of a storage unit according to real-time use conditions of the storage unit of the solid state disk, so as to realize dynamic balance of wear conditions of the storage unit, avoid a large difference between wear degrees of multiple storage units, and thus improve the overall service life of the solid state disk.

The invention discloses a multi-device cooperative intelligent USB flash disk storage data synchronization management method, and relates to the technical field of USB flash disk storage data, and the method comprises the steps: obtaining compatible reading software and incompatible software corresponding to a USB flash disk in each synchronizable device, and obtaining a data type association network and a compatible software association network; and finally, the data type association network and the compatible software association network are managed when the USB flash disk is used for data synchronization. The method is used for solving the problems that in an existing USB flash disk storage data synchronization management method, in the data synchronization process, optimization of compatibility when data are read in software of different devices is lacked, so that the data cannot be read through the software in the devices after being synchronized, the synchronized file data cannot be written or executed, and the data synchronization time is shortened. And even file data damage is caused.

The embodiment of the invention discloses a garbage collection optimization method and device, electronic equipment and a storage medium, and relates to the technical field of solid state disk storage management.The method comprises the steps that Free Blocks in a solid state disk are tracked in real time through a monitoring module, and the number of free blocks Free Blocks in the solid state disk is obtained; setting four key thresholds according to the characteristics and the working load of the solid state disk, and formulating a garbage collection strategy according to the key thresholds; the key threshold values comprise low, start, mid and high; dynamically adjusting the bandwidth allocation of normal garbage collection Normal GC and forced garbage collection Force GC according to the number of Free Blocks in the solid state disk and a key threshold value; garbage collection is conducted according to bandwidth allocation, and the key threshold value is dynamically adjusted according to the running scene of the solid state disk. According to the method, the GC bandwidth is intelligently allocated according to the Free Block number threshold, and the key threshold is adaptively optimized to adapt to different scenes, so that the problems of unbalanced resource allocation, poor scene adaptability and performance reduction in the prior art are effectively solved.

The present application relates to the technical field of data processing, and especially relates to a sparse direct solution method based on data kernel external storage, which comprises the following steps: obtaining a coefficient matrix of a high-dimension sparse linear equation group, analyzing a non-zero element distribution mode and a matrix topological structure to establish a task dependency relationship; detecting a system memory capacity and a disk performance parameter to set a slice size parameter, dividing a wavefront matrix into data slices with balanced floating-point operation amounts to execute a left-looking numerical decomposition; creating a message queue and a monitoring mechanism to realize asynchronous disk storage; reading data from the disk to execute a numerical update cycle; and establishing a back substitution solution memory work area to generate a numerical solution by using a previous generation back substitution algorithm. The present application utilizes disk storage to relieve memory pressure and supports large-scale finite element simulation application.

The application discloses a kind of write method of storage data, recycling method and storage host, it is related to data storage technical field, since in the storage page of multiple storage blocks sequential arrangement, using flexible expansion storage mode carries out data writing, solve the page mapping of metadata in discrete mode, affect the original order of data and the problem of limited storage space.The application uses garbage collection strategy to recycle and transfer the garbage data in the storage block while continuously writing data, ensures that the scale of storage data is within a reasonable range, promotes garbage collection, accelerates the effective use of storage space, and further enhances the continuity of data disk storage.Therefore, the application can achieve efficient data writing, but also expand storage space, and further enhance the technical effect of storage host performance.

This specification discloses a method, apparatus, device, and medium for managing stored files. The method includes: obtaining an application instruction for a file to be received; determining the application space for the file to be received based on the application instruction; obtaining the remaining storage space of the disk corresponding to the file to be received based on a preset program; if it is determined that the remaining storage space is less than the application space, obtaining the priority of files already stored on the corresponding disk, deleting the files based on the priority, and obtaining the corresponding application space to store the file to be received. This alleviates the problem of accidental deletion of important stored files and improves the reliability of disk storage.

A mobile vision transformer network for use on mobile devices, such as smart eyewear devices and other augmented reality (AR) and virtual reality (VR) devices. The mobile vision transformer network considers factors including number of parameters, latency, and model performance, as they reflect disk storage, mobile frames per second (FPS), and application quality, respectively. The mobile vision transformer network processes images, e.g., for image classification, segmentation, and detection. The mobile vision transformer network has a fine-grained architecture including a search algorithm performing latency-driven slimming that jointly improves model size and speed.

The invention discloses a USB flash disk storage access data encryption protection method fusing a biological recognition technology, and relates to the technical field of data encryption protection, and the method comprises the following steps: carrying out the biological recognition of a user, and obtaining the fingerprint features of the user; processing the fingerprint features, and constructing a biological key based on relative positions of feature points in the fingerprint features; performing encryption protection processing on the USB flash disk data through the biological key to obtain a biological encryption ciphertext; storing the biological encrypted ciphertext, verifying the fingerprint feature of the user when the user reads the USB flash disk data, and decrypting the biological encrypted ciphertext based on the fingerprint feature; the data encryption protection method and device are used for solving the problems that according to an existing data encryption protection technology, data encryption protection does not have specificity, a security key is usually set by a user, and the risk that data are still stolen or leaked exists.