187 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 invention discloses an encrypted file processing method for heterogeneous computing, a program product and a heterogeneous computing system, and belongs to the technical field of computers. The heterogeneous computing encrypted file processing method comprises the steps of caching to-be-processed data to a memory cache region in a transparent file system under the condition that write operation is received; when it is detected that an operating system triggers a write-back process, calling a field programmable gate array to perform encryption operation on the to-be-processed data in the memory cache region; and writing the encrypted data to be processed into disk storage equipment. According to the encrypted file processing method for heterogeneous computing, efficient write-back operation on the encrypted file is achieved, the problems that resources are occupied inefficiently, system performance is poor, data processing efficiency is low and the like due to frequent hardware interaction during heterogeneous computing encryption operation are solved, and the response speed and the overall performance of the system are improved.

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 discloses a server and a server cabinet, and relates to the technical field of servers, and the server comprises a server shell which comprises a containing cavity and an opening part; the hard disk supporting module comprises a plurality of mounting cavities which are arranged at intervals, the plurality of mounting cavities are arranged in a rectangular array so as to load the plurality of hard disk assemblies in a one-to-one correspondence manner, each hard disk assembly comprises a plurality of hard disks which are sequentially arranged along the second direction, and the hard disk supporting module is inserted into the accommodating cavity in a sliding manner along the first direction through the opening part; the first guide rail assembly extends in the first direction and comprises a plurality of first guide parts which are sequentially arranged in a sleeving mode, every two adjacent first guide parts can relatively slide in the first direction, and the first first guide part and the last first guide part are connected with the hard disk supporting module and the server shell correspondingly; the problem that high-density storage of 120 hard disks in a 4U-height box body is difficult to realize by a server in the related technology is solved, and the technical effect of high-density hard disk storage is achieved.

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 an assembly line check point implementation and fault recovery method and system based on a distributed memory, and belongs to the technical field of cross-center assembly lines. The method comprises the following steps: dividing a cross-data-center assembly line into a plurality of sub-assembly lines, and executing the sub-assembly lines on corresponding data centers in a cluster respectively; when the execution of the sub-assembly line is finished, acquiring Arrow format data of the current check point; storing the Arrow format data of the current check point in a distributed memory system or a disk storage system of a cluster; and when a system fault occurs or the execution of the cross-data center assembly line task fails, fault recovery is performed based on the Arrow format data of each check point. According to the method, the interruption and data loss risks of assembly line tasks can be reduced, and the reliability and fault tolerance of a large-scale data processing assembly line 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.

The invention provides an intelligent processing and storage system for integrated service data of an information system. The intelligent processing and storage system consists of an edge center, a protocol bridge and a hierarchical storage array, the marginal center outputs an original message through a differential hardware bus, and the original message is pushed to the hierarchical storage array for disk falling after semantic conversion is completed by a protocol bridge; the marginal center captures byte-level data in real time in a cross-protocol heterogeneous scene and converges the byte-level data into an original message, the protocol bridge converts the original message into a standard message according to a storage write-in contract, and the hierarchical storage array persistently stores the standard message. The real-time performance, the accuracy and the storage resource utilization rate of data processing can be improved, and the data redundancy and the transmission cost can be reduced.

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.

The utility model relates to a multi-channel video acquisition and transmission system, which comprises a video acquisition module interface, a video processing module and a central processing unit, the video processing module is connected with the central processing unit through a high-speed bus, and the central processing unit is connected with an optical fiber module; the video processing module converts videos and transmits the converted videos to the central processing unit through a high-speed bus, the central processing unit is connected with an internal memory and a memory so as to form a minimum operation system to decode and compress the videos, and the videos decoded by the central processing unit are converted into optical signals through the optical fiber module to be transmitted. According to the utility model, more paths of video acquisition signals can be simultaneously processed by using a high-speed bus, a memory is not used as a cache and a hard disk is not used for storing video data, and a video does not need to be decoded and compressed before transmission, so that the processing speed of the system can be greatly improved and the power consumption is reduced; and the optical fiber can realize faster and more stable data transmission.

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.

Methods for local page writes via pre-staging buffers for resilient buffer pool extensions are performed by computing systems. Compute nodes in database systems insert, update, and query data pages maintained in storage nodes. Data pages cached locally by compute node buffer pools are provided to buffer pool extensions on local disks as pre-copies via staging buffers that store data pages prior to local disk storage. Encryption of data pages occurs at the staging buffers, which allows a less restrictive update latching during the copy process, with page metadata being updated in buffer pool extensions page tables with in-progress states indicating it is not yet written to local disk. When stage buffers are filled, data pages are written to buffer pool extensions and metadata is updated in page tables to indicate available / valid states. Data pages in staging buffers can be read and updated prior to writing to the local 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 belongs to the technical field of disk storage, and provides a monotonous path aware vector diagram index disk layout optimization method and system, and the method comprises the steps: preferentially distributing target nodes at the two ends of a front edge to a same target disk page through the sorting of target weights of edges corresponding to all nodes, according to the method, the data locality when each node in the vector diagram index is stored in the disk can be improved, so that the number of I / O units used when specified data in the disk is queried can be effectively reduced, and the query efficiency when the disk is queried is improved; and obtaining a total contribution value of each edge through the target disk layout optimization function and the target weight of the edge of each node, and sequentially distributing each out-of-neighbor node into the target disk page according to the total contribution value of the edge corresponding to the out-of-neighbor node of each target node in the target disk page to which the target node is distributed. And furthermore, the locality of the single target disk page data can be improved, so that the query efficiency when the target disk is queried can be further improved.