32results about How to "Improve read and write performance" patented technology

The invention relates to a performance optimization method for a Ceph cache system based on a persistent memory, and the method comprises the steps: enabling a Ceph storage system based on the persistent memory to adjust the related parameter configuration of a cache and the persistent memory through a parameter optimization system, feeding back performance data through performance monitoring, completing the adjustment and optimization of configuration parameters, and finally obtaining an optimal performance parameter combination. Comprising the following steps: S1, configuring a persistent memory device; step S2, configuring a Ceph OSD (On Screen Display); s3, performance monitoring and sampling are carried out, and a sample set is generated; s4, dynamically adjusting the parameter optimization system; step S5, testing and verifying; the problem of slow data storage performance of a storage system constructed by a common HDD hard disk is solved, data caching is accelerated by utilizing the characteristics of high bandwidth, high throughput and data persistence of the persistent memory, and then the overall performance of the Ceph storage system is improved by integrally optimizing the parameters of the storage system after the persistent memory device is used.

The invention discloses an air-situation fusion data recording and playback system and a playback method thereof. The air-situation fusion data recording and playback system comprises a data recording module, a data analysis module and a data visual display module. The method comprises the following steps: firstly, embedding a data recording module into an air-situation fusion system through an interface, acquiring key data in the system through a data recording interface in the working process of the system, and recording the data according to a preset rule to form a data file; secondly, the data analysis module operates file pointers of data files recorded in the system process according to a data recording rule to perform data offset so as to realize data anti-translation; and finally, the visual display module carries out time registration on the read data and then carries out visual playback display. According to the method, comprehensive analysis, recording and objective and real reproduction of the air situation information in the multi-source radar system and the fusion situation of the air situation information are achieved, a new thought is provided for data recording and playback of the multi-source radar air situation fusion system, reusability is high, and expandability is high.

The invention discloses a read-write driver circuit based on temperature sensing and a control method thereof, and the method comprises the steps: carrying out the quantification and coding of an obtained temperature signal, and obtaining temperature coding information; receiving test data and acquiring corresponding check coding information; voltage and pulse parameters corresponding to the current temperature coding information are determined according to the temperature coding-voltage-pulse initial corresponding relation; writing test data into a memory according to the determined voltage and pulse parameters; performing verification detection on the test data according to the verification coding information; if the detection is wrong, the test data is repeatedly written until the detection is accurate after the corresponding relation is adjusted according to the setting; and updating the corresponding relation between the current temperature code and the voltage and pulse parameters according to the finally determined voltage and pulse parameters. According to the scheme, the read-write parameters of the memories of the same batch and the same model at different temperatures are obtained through the preset corresponding relation table and real-time test adjustment, and excellent read-write performance is achieved on the premise that low power consumption and long service life are guaranteed.

The present invention discloses an operating system protection method based on the combination of soft and hard read-only. The method realizes soft read-only control from the system level and realizes bottom-level data read-only control at the hardware level. It is compatible with GPT and MBR partitioning forms, improves system access performance, and also ensures the stability and reliability of the operating system, and also ensures the security of the operating system. At the same time, this method can greatly reduce the number of read and write times of SSD solid-state storage disks, improve the read and write performance and life of SSDs, and the invention has good application prospects in key areas such as data security.

The utility model provides a payment terminal with a magnetic head waterproof structure, which relates to the field of financial transaction equipment and comprises a casing, one side of the casing is provided with a card swiping slot, one side in the casing close to the card swiping slot is provided with an installation slot used for installing a magnetic head assembly, the installation slot is provided with a sealing cover, and the sealing cover is inserted into the installation slot to form an isolation chamber. The magnetic head assembly is installed in the isolation chamber and comprises a connecting line, and the connecting line extends out of the isolation chamber and is electrically connected with the mainboard. The magnetic head assembly further comprises a magnetic head and a support, the magnetic head is installed on the support, the support comprises a top cover, the connecting line penetrates through the top cover, the top cover is provided with an annular protrusion around the connecting line, the top cover is provided with an insertion hole in a sealed insertion mode, and the annular protrusion is inserted into the insertion hole in a sealed mode. According to the utility model, the magnetic head assembly is isolated from the internal components of the device through the structure, the waterproof and dustproof effects of the financial transaction device are improved, the application scene of the device is expanded, and the service life of the device is prolonged.

The present disclosure provides an information processing method, device, equipment, storage medium and computer program product, relates to the technical field of computers, and particularly relates to the field of software development. The specific implementation scheme is as follows: acquiring at least one item of information in file information and version information of a specified version in a remote version library; archiving the at least one item of information to obtain an archiving package of the specified version; the type of the archiving package of the specified version is a first type or a second type, the archiving package of the first type carries the file information of the specified version, and the archiving package of the second type carries the file information and the version information of the specified version; sending the archiving package of the specified version to a third-party storage system; and the third-party storage system is used for storing the archiving package. The technical scheme of the present disclosure can archive at least one item of information in the file information and the version information of the specified version in the remote version library and store the information in the third-party storage system, so as to reduce the read-write pressure of the remote version library and improve the overall read-write performance and throughput.

The present invention provides a method for optimizing a memory and a cache block, wherein the memory includes: firmware, in which a free list, a write cache list and a read cache list are arranged; when performing a read and write operation, the main control unit is used to call a cache block from the write cache list and the free list to perform a write operation, and to call a cache block from the read cache list and the free list to perform a read operation; when performing a recycling operation, when the mapping relationship of the host data to be erased matches the mapping relationship of the host data stored in a certain cache block in the write cache list and the read cache list, the host data of the cache block is erased, and the relevant information of the cache block is stored in the free list. Through the method for optimizing a memory and a cache block provided by the present invention, the allocation mode of the cache block can be optimized, so that the cache blocks can be mixed in different scenarios.

The invention discloses a disk data backup method of a virtual machine, a server and a storage medium, which are applied to a first server, and the first server supports a VMware virtual machine function. The method comprises the steps that a disk backup identifier sent by a second server is received, a first instruction is sent to a VMware server, the disk backup identifier is obtained by a third server from the VMware server and forwarded to the second server, and the first instruction comprises a disk identifier of a disk to be backed up and the disk backup identifier; obtaining disk data corresponding to a disk backup identifier in a to-be-backed-up disk determined by the VMware server according to the disk identifier; and sending the disk data to the second server. According to the invention, data transmission and data backup between heterogeneous servers can be realized.

The invention discloses an LSM-Tree structure storage and writing performance optimization method and system, and belongs to the technical field of storage and writing performance optimizing.A grouping log structure GLS is designed to be used for canceling the limitation that data on the same layer in an LSM-Tree structure are completely ordered; and respectively carrying out write operation and read operation, and maintaining the orderliness of data in a group through a grouping log structure GLS to realize write performance optimization.

This invention discloses a method and system for rapid batch data import into HBase based on parameter configuration, relating to the field of database technology. The method includes: configuring a data import and merging strategy for HBase tables in scenarios where batch data calculated by the Spark engine is imported into an HBase database; performing calculations on business data using the Spark engine, writing the generated dataset to HDFS and recording it in an information table; continuously adding HDFS file directories according to the file generation time order of the information table, and submitting an MapReduce task to generate an HFile file when the requirements of the data import and merging strategy are met; and importing the HFile file into the HBase database. This invention avoids the problem of too many small files in HBase, improves the read and write performance of the HBase database, and reduces the time spent on business calculations.

This invention discloses a chip packaging structure and method, including a molding compound I, which encapsulates at least four layers of chips. Through-holes (TVMs) are fabricated on the molding compound I and metallized. Redistribution lines are provided on the molding compound I, and balls are placed on the redistribution lines. This invention achieves vertical interconnection of multiple layers of chips through staggered chip stacking combined with TMV technology, effectively utilizing space and reducing package size. The TMV vias employ a solid metallization scheme, which can effectively improve the power integrity and signal integrity of the product, enhance the read / write performance of the storage product, increase I / O density and bandwidth, and reduce power consumption. The packaging structure can include multiple stacked structure arrays, suitable for large-scale integration, increasing packaging density.

The embodiment of the invention relates to a memory management method and device of a security chip and electronic equipment, a plurality of cards are integrated on the security chip, the plurality of cards share the physical space of a non-volatile memory (NVM) of the security chip, and the NVM virtual space corresponding to each card is isolated through a firewall. The NVM virtual space and the NVM physical space correspond to each other and are the same in size; the method comprises the following steps: in response to a received request for writing data into a target virtual address, writing the data into a cache region corresponding to a currently running target card; the data in the cache region is written into the NVM physical space in response to the fact that NVM writing conditions are met, and the NVM writing conditions include receiving of a transaction submission request, page crossing and active submission of a user. By adopting the technical scheme, the multi-card memory management of the security chip is realized, the erasing frequency is reduced, the read-write speed is increased, the read-write performance is improved, and the service life is prolonged.

The invention discloses a service renewal data processing method and device, and relates to the technical field of intelligent medical treatment. A specific embodiment of the method comprises the steps of receiving a renewal order completion instruction which is triggered by a user and carries a renewal service package identifier in response to the fact that a basic service package of the user is in an effective state, and obtaining available duration of the renewal service package; and combining the actual use time range of the basic service package with the available duration of the renewal service package to obtain the actual use time range of an aggregation service package formed based on the basic service package and the renewal server. According to the embodiment, service renewal can be realized based on the renewal service package.

This application discloses a data processing method, terminal device, and storage medium. The data processing method includes: extracting a first storage tag from a first storage space to a second storage space, and generating a tag linked list based on the first storage tag; wherein the first storage tag is used to store information to be processed; constructing an identifier-tag mapping table and a file identifier linked list by traversing each first storage tag in the tag linked list; and completing the data processing of the information to be processed based on the tag linked list, the identifier-tag mapping table, and the file identifier linked list.

The invention provides an SSD bad block remapping method and device and computer equipment, and the method comprises the steps: reading a first-level remapping table and a second-level remapping table from an NAND to an SSD when the SSD is powered on; wherein remapping summary information of each super block is recorded in the primary remapping table, and remapping detailed information of each super block is recorded in the secondary remapping table; when a read-write instruction of a host is received, inquiring the first-level remapping table to judge whether physical block remapping exists in the super block needing to be read and written currently or not; if the super block has physical block remapping in the first-level remapping table, querying and obtaining the position of physical block remapping from the second-level remapping table according to summary information recorded in the first-level remapping table; and performing read-write operation according to the remapping position of the physical block. The method has the beneficial effects that the remapping bad block can be quickly queried on the basis of small memory overhead, so that the read-write efficiency is improved, and the read-write performance of the SSD is improved.

The present disclosure provides a method and device for improving the performance of a smart network card, wherein the method includes: obtaining the address of the table entry pointed to by the read request instruction of the current processing module; determining the hash value corresponding to the address according to the address of the table entry; determining the locking state of the cell corresponding to the read request instruction according to the hash value and a pre-constructed bitmap lock table containing multiple cells; and determining whether the scheduler performs a read operation according to the locking state of the cell. The present disclosure introduces a bitmap lock table structure to disassemble a lock in the prior art into multiple locks, thereby reducing the conflict probability of each lock and improving the read and write performance of the table entry.

The invention provides a storage method and a database system. The method comprises the steps that in response to modification operation of a plurality of data pages, a plurality of log records are generated, and each log record corresponds to the modification operation of one data page; writing the plurality of log records into a log storage node; based on the plurality of log records in the log storage node, updating the plurality of data pages to obtain a plurality of updated data pages; and writing the plurality of updated data pages into a data storage node. According to the scheme, the performance of the database system can be improved.

The application discloses an NFC antenna structure for a mobile terminal, which comprises a first differential coil and a second differential coil, the first differential coil and the second differential coil are arranged in two different areas of the mobile terminal respectively; the first differential coil and the second differential coil are electrically connected through a connector, so that the first differential coil and the second differential coil form a combined differential coil in electricity; the combined differential coil is electrically connected with an NFC chip in the mobile terminal to provide a read-write function. The embodiment of the application can solve the problem that the existing differential coil cannot meet the chip and authentication requirements in a limited space.

This disclosure provides a semiconductor structure and its fabrication method. The structure includes: a plurality of active regions stacked in a vertical direction, the active regions extending in a first horizontal direction, and the plurality of active regions located on the same layer being spaced apart in a second horizontal direction, the first horizontal direction and the second horizontal direction intersecting; word lines covering a portion of the active regions and extending in the second horizontal direction; a plurality of bit lines spaced apart in the second horizontal direction, the bit lines extending in a vertical direction and connected to one end of the active regions; and an air gap structure including a first sub-section and a second sub-section, the first sub-section extending in a vertical direction and located at least between adjacent bit lines in the second horizontal direction, and the second sub-section located at least between adjacent word lines arranged in the vertical direction.

This invention provides a method, system, medium, and device for garbage collection in a Java garbage collector for heterogeneous memory. This garbage collector follows the approach of generational garbage collectors. Its key feature is that, addressing the unsuitability of writing operations on non-volatile memory, it re-partitions the Java heap to mitigate the impact of poor write performance and low write endurance on non-volatile memory. Compared to existing technologies, this invention captures the semantics of Java objects, thereby improving performance and reducing wear and tear on non-volatile memory. Furthermore, based on the mainstream Java Virtual Machine, it is easy to promote and apply.

The present disclosure relates to a data operation method, device, equipment and medium, the method is applied to a data node, including: determining a hard disk connected to the data node, and reporting the hard disk information to a metadata server, wherein the hard disk information includes the hard disk medium type, available capacity and location information; receiving a data operation instruction sent by the metadata server, wherein the data operation instruction carries the medium type and location information of the hard disk where the operated data block is located; according to the medium type, calling a service unit corresponding to the medium type to perform a data block operation according to the location information of the hard disk. The present disclosure simplifies the use of a distributed storage cluster and reduces the difficulty of cluster deployment and maintenance.

This invention discloses a small-sized printed circuit board radio frequency identification (RFID) tag antenna with anti-metal interference, comprising three metal layers from top to bottom. The top layer is a radiating layer with a "U"-shaped antenna of zigzag structure on its surface. The middle layer is an impedance matching layer with a non-resonant loop structure on its surface. The bottom layer is a grounding shielding layer. An FR-4 dielectric substrate is placed between the top radiating layer and the impedance matching layer, and similarly, an FR-4 dielectric substrate of the same thickness is placed between the impedance matching layer and the grounding shielding layer. Furthermore, short-circuit walls connecting the three metal layers are provided on both sides of the edges. This invention utilizes mature printed circuit board (PCB) processing technology, enabling efficient and low-cost manufacturing of the tag antenna. The stability and consistency of PCB processing technology ensure product quality while supporting large-scale mass production, suitable for industrial applications. Combined with the multi-layer antenna design of this invention, the precise processing of complex electromagnetic structures is achieved through standardized processes, simplifying the production process and significantly reducing manufacturing costs. Compared with traditional ceramic antenna designs that require precise material preparation, molding and sintering steps, this invention is not only easier to process, but also more cost-effective and easier to promote and apply.

The present application provides a solid-state hard disk cache management method and device, which relates to the field of hard disk management technology. The method includes: when completing a read and write operation request, determining the load characteristic parameters currently corresponding to the solid-state hard disk according to the attribute characteristics of the read and write operation request, and performing statistical analysis to determine the current solid-state hard disk load characteristics; analyzing based on the current solid-state hard disk load characteristics and the load characteristic model to determine the current solid-state hard disk cache optimal ratio; determining the adjustment values ​​of the current cache mapping table memory space and the current data cache memory space in the solid-state hard disk according to the current solid-state hard disk cache optimal ratio and the memory space of the solid-state hard disk; adjusting the current cache mapping table memory space and the current data cache memory space respectively based on the adjustment values, and outputting the adjustment results. The method provided by the present application can effectively improve the hit rate of the current cache mapping table memory space and the data cache memory space, thereby improving the read and write performance of the solid-state hard disk.

The invention provides a management method and system for a data time sequence in a time sequence database, and the method comprises the steps: taking a time window mechanism as a core, and distributing a corresponding time period for each window and initializing an oldest time window pointer and a latest time window pointer through creating a plurality of time windows arranged according to a time sequence; when the data is inserted, the timestamps of the to-be-inserted data are accurately distributed to the corresponding time windows, the data in the windows are sequenced according to the timestamps, the time sequence consistency of the data in the single window is ensured, meanwhile, the data in the oldest time window is stored regularly in a persistent mode, and pointers of the new and old time windows are updated in a rolling mode. And dynamic propulsion of the time window is realized. According to the scheme, the problem of low efficiency of total data sorting is avoided through sub-window management, the time sequence data sorting and writing efficiency is effectively improved, and the data time sequence accuracy is guaranteed based on a timestamp distribution and sorting mechanism.

The invention discloses a data reading method and device, equipment, a storage medium and a product. The method comprises the following steps: obtaining a read request initiated by a client, the read request being used for reading data in a master node and a slave node; under the condition that the prefix type of a data key in the read request is a first type, reading target data in a main node; under the condition that the prefix type of a data key in the read request is a second type, according to pre-acquired delay time and a first delay threshold value corresponding to the data key, reading target data of the master node, or reading target data of at least one of the master node and the slave node, the delay time is the time required for data synchronization between the master node and the slave node. According to the embodiment of the invention, both the read-write performance and the data reading accuracy can be considered.

This disclosure provides a request processing method, apparatus, electronic device, and computer-readable storage medium. The method includes: when a target data area of ​​a database is detected to meet the triggering conditions for a write request, obtaining a first write request currently triggered in the target data area, wherein the target data area is any data storage unit corresponding to the database; if a write request for the target data area already exists in a preset write request query queue, then determining that a target timed write request exists in the target data area; the target timed write request is a triggered and pending timed write request, and the target timed write request has a set delay time; setting the delay time of the target timed write request to zero, and the target timed write request is executed immediately; and storing the first write request in the write request query queue. According to the method of this disclosure, the probability of client write blocking to data areas in the database can be reduced, and the read / write performance of the database can be improved.

The application discloses a data reading method, device, equipment, storage medium and product. The method comprises the following steps: obtaining a read request initiated by a client, the read request being used for reading data in a master node and a slave node; in the case that the prefix type of a data key in the read request is a first type, reading target data in the master node; in the case that the prefix type of the data key in the read request is a second type, reading target data in the master node according to a pre-acquired delay time and a first time delay threshold corresponding to the data key, or reading target data in at least one node of the master node and the slave node, the delay time being a time required for data synchronization between the master node and the slave node. The embodiment of the application can take into account the read-write performance and data reading accuracy.

The invention provides a caching method and device for a universal flash memory (UFS). The UFS caching method comprises the steps that at least one piece of current storage information of a UFS comprising a single-layer storage unit SLC buffer and a multi-layer storage unit is obtained every preset time, and the multi-layer storage unit comprises at least two layers of storage units; obtaining input data of a neural network based on the at least one piece of current storage information; obtaining adjustment information of the SLC buffer through a neural network based on the input data; and adjusting a size of the SLC buffer based on the adjustment information of the SLC buffer.

The invention discloses a service package data processing method and device, and relates to the technical field of intelligent medical treatment. A specific embodiment of the method comprises the steps of determining right items in an addition service package in response to completion of an addition order which is submitted by a user and carries an addition service package identifier under the condition that a basic service package of the user is in an effective state; and judging whether the same right and interest item exists in the basic service package and the amount-added service package, combining the basic service package and the amount-added service package according to a judgment result, and displaying the right and interest item based on the combined service package. According to the embodiment, multiple service packages owned by the same user can be combined and displayed, and the interaction complexity between the server and the user is reduced.