179results about "File system types" patented technology

This invention discloses a method and apparatus for storing log files. The method includes: obtaining a preset storage location for storing the log files and application parameters of an application, wherein the log files are generated by the application; filtering the log files based on the log pattern in the application parameters to obtain a target log file; and storing the target log file based on the application type and the preset storage location in the application parameters. This invention solves the technical problems of complex processes and low storage efficiency in storing log files in related technologies.

Systems and methods for providing trusted local orchestration of workspaces are described. In some embodiments, an information handling system (IHS) can include: a processor; and a system memory coupled to the processor, the system memory having program instructions stored thereon that, when executed, cause the IHS to: receive, from a workspace orchestration service, orchestration code; use a trusted controller coupled to the processor to record a log, the log including: the orchestration code, and an indication of a sequence of operations performed by a local management agent during instantiation of a workspace; provide, to the workspace orchestration service, a copy of the log; and in response to the workspace orchestration service successfully: (i) authenticating the orchestration code, and (ii) verifying the sequence of operations, establish a connection between the workspace and the workspace orchestration service.

In some examples, a method for accelerating transaction execution in a system comprising an accelerator for performing cache- coherent operations and a persistent storage is provided.

This invention relates to an image-based configuration file embedding and recovery system for industrial vision software. The system includes a configuration data processing module, an encryption / decryption module, an image embedding module, an image output module, an image acquisition and recognition module, a configuration recovery module, a scene restoration module, and a data verification module. The core innovation lies in using images as the storage and transmission medium for configuration files. Through a composite embedding method of "customized QR code + LSB steganography," standardized and encrypted configuration data is embedded into the carrier image to generate an embedded image. This invention features high robustness, high security, and ease of operation, and can adapt to complex industrial environments, significantly improving the deployment and maintenance efficiency of industrial vision systems.

The application discloses a log processing method, device and storage medium, the method comprises the following steps: acquiring a log generated by a device; extracting a fixed log part from the log, the fixed log part comprising at least part of a log body of the log; performing a compression operation on the fixed log part by using a target compression algorithm to obtain compression data corresponding to the fixed log part; and storing at least the compression data as storage data of the log. In this way, the application can improve the storage efficiency of the log.

This application relates to a standardized extraction method for mobile phone data involved in a case, belonging to the field of data forensics technology. The method includes: acquiring multi-source data streams from the mobile phone involved in the case; dividing the data into static and dynamic data sets based on the data update frequency and structural stability; constructing a standard feature vector library based on the static data set to provide a consistency benchmark for the data; constructing a behavioral pattern association network based on the dynamic data set to represent the complex relationships between data using a graph structure; generating a dynamic data extraction graph based on this network, and integrating the standard feature vector library and the dynamic data extraction graph to generate a unified data association topology; and finally outputting a standardized data extraction set based on this topology. This invention significantly improves the effectiveness, relevance, and controllability of forensic data by providing in-depth, standardized, and automated extraction and association analysis of mobile phone data involved in cases.

The application provides a log storage method, device, electronic equipment and storage medium, wherein the log storage method comprises: obtaining a file instance used for processing a to-be-stored log; encoding an attribute field in the to-be-stored log to obtain a first byte stream corresponding to a digital number and storing the first byte stream in a block cache area; compressing the byte stream in the block cache area based on the file instance to obtain a second byte stream; encrypting the second byte stream in the compressed cache area based on the file instance to obtain a third byte stream; and writing the third byte stream into a byte stream file based on the file instance, wherein the byte stream file comprises a file block and a file header, and the third byte stream is stored in the file block. The application can write the to-be-stored log into the byte stream file without the aid of a third-party data storage tool. On the other hand, the application can obtain a byte stream file with smaller storage space by encoding and compressing the to-be-stored log.

This invention discloses a decentralized log processing method and system based on TEE (Trusted Entities Environment) and trusted metrics. The system deploys an independent log service within each TEE, establishing a trusted and secure session channel with trusted applications within the same environment through bidirectional remote proof. The log service derives a dynamic key from the trusted application's real-time metrics (including application identifier, version number, code hash, and historical trust chain) for log encryption, calculates the ciphertext hash, stores it on the blockchain, and constructs a local hash chain in the TEE's secure memory. When the application version is upgraded, the new version obtains the tail value of the hash chain from the old version and connects the old and new log chains through cascading hash operations to ensure continuity. Cross-node trusted verification is achieved between different TEEs through remote proof, supporting distributed auditing. This invention achieves log confidentiality, integrity, cross-version continuity, and strong binding with application state, significantly improving the security auditing capabilities of distributed systems.

This application provides a method, apparatus, device, medium, and product for multi-threaded concurrent log reading. It relates to the field of data processing technology. The method includes: controlling one thread to acquire a mutex lock through a preset mutex lock management mechanism; determining whether concurrent readability conditions and overall readability conditions are met; in response to both conditions being met, determining whether logs can be read from a preset buffer based on a preset log header threshold and the current preset buffer length; if it is determined that logs can be read from the preset buffer, verifying whether the current log file status is normal based on the determined current total log entry length, a preset file layout threshold, and the current preset buffer length; in response to successful verification, updating the global two-pointer flag value and controlling the thread to release the mutex lock through the preset mutex lock management mechanism. The method of this application achieves safe log reading for multiple concurrent threads, significantly improving concurrency performance in a multi-threaded environment while effectively avoiding data conflicts.

The application discloses a CAD drawing collaborative design and version control method, and relates to the technical field of computer aided design, which comprises the following steps: collecting CAD drawing data, sending an upload CAD drawing request to a server, uploading the CAD drawing to the server, and generating CAD drawing version data; according to the CAD drawing version data, initiating a download CAD drawing request to the server, verifying according to identity information and authority, and generating verified download drawings when the verification is passed; according to the merged CAD drawing, recording the incremental change part of the CAD drawing, intelligently compressing and storing the drawing version, and generating an incremental version file; and analyzing the differences between each version based on the incremental version file, and generating a version change report. The application improves the design efficiency and drawing consistency, ensures the compatibility and accuracy between versions, and further improves the design quality and team cooperation efficiency.

This application discloses a log processing method, apparatus, device, readable storage medium, and vehicle. The log processing method is applied to a log processing system and includes: based on the memory identifier of shared memory corresponding to each application process, searching for the shared memory and a first storage identifier corresponding to each memory identifier, wherein the first storage identifier corresponds to a first target storage space among M storage spaces, the first target storage space is used to store a first target log and a timestamp of the first target log, and the first target log is the log with the smallest timestamp among at least one unprocessed log generated by the application process corresponding to the memory identifier; obtaining the timestamps of the first target log from the N first target storage spaces corresponding to the N first storage identifiers, obtaining N timestamps; and outputting the log corresponding to the smallest timestamp among the N timestamps. According to the embodiments of this application, the processing speed of the log processing system can be improved, and logs generated by different processes can be quickly input in chronological order.

Methods and systems for hiding secret messages or data in an NET are described. A system may access data specified by a user to embed within a digital asset. The system may determine a steganography scheme to use to embed the data and embed the data within the digital asset according to the steganography scheme. The system may store the digital asset embedded with the data on a decentralized storage network and receive an associated first Uniform Resource Identifier (URI). The system may create, using the first URI, a metadata of the digital asset embedded with the data. The system may store the metadata on the decentralized storage network and receive an associated second URI. The system may create a non-fungible token (NET) based on the second URI and store the NET on a blockchain. The user or other users may subsequently retrieve the digital asset from the decentralized storage network and extract the data embedded therein.

Embodiments of the present application provide a log storage method, an electronic control unit, a vehicle and a storage medium. The method comprises: determining a target data block ID corresponding to the current MPU unit startup from a circular data link list after the micro computing unit (MPU) is started, wherein the circular data link list comprises a plurality of data block IDs connected in a logical ring, and different data blocks corresponding to different data block IDs are used to store log information corresponding to different startup rounds of the MPU unit; and storing log information after the current startup of the MPU unit to a data block corresponding to the target data block ID.

The embodiment of the invention provides a metadata log replay processing method and device, electronic equipment and a storage medium. The method comprises the steps of obtaining a metadata log event, performing local verification on the metadata log event, if the metadata log event is a non-local operation, extracting a metadata field, comparing the metadata field with a preset local index node, and performing data processing according to an operation type when the creation time of the metadata field is updated; updating a file version number based on a preset version incremental rule, and generating dimension control information in combination with the creation time; according to the dimension control information, the data processing process is packaged into a transaction of a preset key value database to be executed, and whether the instruction fails or not is detected; and if the execution result and the dimension control information are successfully written, the preset local index node is updated, and if the execution result and the dimension control information are failed, the operation is revoked in a reverse order and recovered to a transaction pre-encapsulation state. The method is used for guaranteeing the atomicity of metadata log replay, avoiding data residues, solving the problem of metadata synchronization inconsistency and improving the reliability of metadata log replay.

This invention relates to a log management method and a log management system. Embodiments for reliable, safety-critical system logs are disclosed. In one embodiment, a method includes: obtaining data to be added to a log; creating entries for the data; and adding the entries to a linked sequence of entries in the log, wherein the linked sequence of entries includes a plurality of data entries and a plurality of sentinels intertwined with the plurality of data entries, wherein each data entry in the entry chain is appended to an error detection code calculated for that entry and a previously calculated error detection code or error detection root of the preceding data entry, and each sentinel in the entry chain includes an error detection code calculated for that sentinel and a previously calculated error detection code or error detection root of the preceding data entry, and each sentinel includes a previously calculated and encrypted blockchain value or blockchain root value of the preceding sentinel.

The application provides an enterprise document synchronization method and system, an electronic device and a storage medium. The enterprise document synchronization method is used for a server and includes the following steps: receiving an operation request for a target document from a first client, wherein the operation request includes adding, editing or deleting; performing permission verification on the operation request according to the first client; performing content compliance verification on the operation request based on the permission verification; performing version consistency verification on the operation request based on the content compliance verification; and sending consent information to the first client and distributing the operation request to a plurality of second clients based on the version consistency verification. Through real-time synchronization, permission verification and content compliance verification, the application realizes safe and efficient collaboration of documents in a multi-terminal and multi-user environment, and overcomes the problem of lack of fine permission control and content security review mechanism in related technologies.

The application provides a bridge structure parameterized modeling and drawing method, constructs a bridge general element library with unique topological coding, takes the unique topological coding in the bridge general element library as an associated index, establishes a bidirectional mapping rule of design parameters, element models and drawing elements, generates a bridge three-dimensional model and a corresponding initial drawing framework after inputting design parameters based on the bidirectional mapping rule through parameterized modeling and engineering drawing technology, identifies component priority based on the unique topological coding, constructs a multi-constraint global optimization target, obtains a globally optimal labeling layout scheme through improved genetic algorithm iteration, completes intelligent labeling of the initial drawing, and generates a construction drawing. The application realizes intelligent labeling and synchronous compliance verification of the bridge construction drawing through the unique topological coding of the bridge element and the multi-constraint global optimization solution of the improved genetic algorithm.

A data storage device can include a non-volatile memory and control circuitry configured to: support both a first file system and a second file system to access data stored on the non-volatile memory; determine a file system supported by a host; receive a read request for data from the host; in response to determining that the file system supported by the host is the first file system, access one or more file system tables for the first file system to provide the data for the read request; and in response to determining that the file system supported by the host is the second file system, access one or more file system tables for the second file system to provide the data for the read request.

This invention proposes a dual-processor collaborative log persistence method for spaceborne platforms, comprising the following steps: dividing the on-chip memory into two independent shared memory channels, designated as the application log channel and the kernel log channel respectively; the main processor mirrors and writes the generated application logs and kernel logs into the corresponding shared memory channels; the coprocessor polls the two shared memory channels, reads newly added log data, and persists the read log data to storage; when the main processor experiences an anomaly, the frequency of log data reading and storage by the coprocessor is increased. This invention, by dividing the on-chip memory into independent shared memory channels, with the main processor mirroring and writing logs to the shared memory, and the coprocessor polling the shared memory and performing disk write operations, ensures that even if the main processor experiences an anomaly, the coprocessor can continue to read unprocessed log data and complete persistence, guaranteeing that critical logs before and after the anomaly are completely preserved.

This invention relates to an adaptive log processing method, system, and storage medium based on a large model. The method includes: acquiring log samples; performing semantic structure analysis and format feature recognition on the log samples to generate structured extraction templates; associating the original log messages with the structured extraction templates and injecting template identifiers into the messages, writing them into a message middleware; reading messages from the message middleware and distributing them to corresponding processing pipelines for parallel stream processing according to the template identifiers; collecting log processing process data; constructing a multi-dimensional analysis model based on the process data to allocate resources to the processing pipelines; performing alarm matching on the processed logs; and combining alarm content with a local operation and maintenance knowledge graph to generate diagnostic suggestions, which are sent together with the alarm information. This invention can reduce log processing latency, optimize storage costs, reduce manual intervention, improve alarm accuracy, and achieve intelligent allocation of processing resources.

The present disclosure provides a log reporting method and device and electronic equipment, relates to the technical field of network communication, and is used for solving the multiple reporting and false reporting of a target application in the process of reporting logs in the prior art, and reducing the accuracy of content recommendation. The method comprises the following steps: receiving a content recommendation request sent by an electronic device; wherein the content recommendation request at least comprises identification information corresponding to the electronic device; determining the theoretical residence time of each display page corresponding to the identification information, and the recommended content corresponding to the identification information; sending the theoretical residence time and the recommended content corresponding to the identification information to the electronic device, so that the electronic device determines whether to report the log used for indicating the user to watch or use the record of the display page corresponding to the currently browsed display page according to the theoretical residence time when displaying the display page corresponding to the recommended content.

Disclosed is a system and method of converting a binary file generated by a battery cycler into a text file. The system includes a database server in which a database including a first table containing a cycler ID and version information of a binary file generated by a cycler and a second table containing the cycler ID and data structure information of the binary file generated by the cycler is built; a data server configured to receive a binary file containing a test result of a battery from the cycler and store the binary file in a first storage medium; and a computer connected to the database server and the data server and including a second storage medium and a processor. The processor may determine a cycler ID which generated a conversion target binary file from the first table using file version information read from a header of the conversion target binary file as a query key, and convert the conversion target binary file into a text file based on the data structure information read from the second table using the cycler ID as a query key and record the text file in the second storage medium.

Log messages are compressed, searched, and decompressed. A dictionary is used to store non-numeric expressions found in log messages. Numeric expressions and non-numeric expressions found in log messages are both represented by a placeholder, which is a string of log "type" information. Another dictionary is used to store the log type information. Compressed log messages contain a sequence of keys and values of the log type dictionary, which are keys and / or numeric values of the non-numeric dictionary. Searches can be performed by parsing the search query into subqueries against the dictionaries and / or contents of the compressed log messages. The dictionaries can reference segments containing many log messages, so all log messages need not be considered for some searches.

This application relates to a log data query method, apparatus, device, and medium, belonging to the field of cloud technology. The method includes: determining a target node matching the query time range from a log query time tree; each node in the log query time tree records the log query time range; the time range recorded by the target node intersects with the query time range; determining a target subtree from the subtrees under the target node; traversing leaf nodes starting from the edge leaf nodes of the target subtree, stopping the traversal after reaching the target leaf node; the time values ​​within the target time range recorded in the target leaf node have corresponding log data on the disk; determining the time values ​​recorded by the target leaf node that correspond to the log data and are in a critical state, obtaining the boundary time values ​​corresponding to the query time range; and retrieving the log data matching the query time range from the disk based on the boundary time values. This method can improve the efficiency of log data query.

An input file is split into a multiple chunks. Each chunk is assigned to one of multiple worker nodes assigned to processing the input file. Refined boundaries for the multiple chunks are calculated. The refined boundaries define multiple adjusted chunks. The calculating of the refined boundaries comprises determining summary statistics for the multiple chunks, determining start positions of the multiple chunks based on the summary statistics, and determining end positions of the multiple chunks based on the start positions of the multiple chunks. Data scan passes are performed on the multiple adjusted chunks based on the refined boundaries to populate one or more data structures for storing information extracted from the input file.

Embodiments of the present application provide a file processing method and device, electronic equipment and computer readable storage medium, and relate to the technical field of computer. In the embodiments of the present application, the target file includes the modified file corresponding to the same version management library in at least two development projects. Thus, the target file is processed based on the target parent library, for example, when the file is submitted, the target file is submitted to the target parent library, and when the target file is pulled, the target file is directly pulled from the target parent library, so that the target file no longer needs to be submitted to the version management library in each project, thereby effectively improving the processing efficiency of the file.

This application provides a method, apparatus, electronic device, and storage medium for managing terminal security applications. The method is used in a terminal management platform and includes: receiving a management policy query request for security services in a terminal security application to be managed, wherein the security service is a service registered on the terminal management platform, the security service is a functional service provided by the terminal security application to be managed, and the terminal management platform has multiple management policies pre-configured for each security service; querying the corresponding management policy from the terminal management platform according to the management policy query request, and providing feedback.

The application discloses a kind of server interface test method and related devices, it is related to distributed processing field, current interface request identification can be acquired in response to the response completion signal of interface request response.According to current interface request identification and the query condition corresponding to query data type, data query request is generated, and the acquisition of original query data is carried out based on the data query request.Original query data is filtered and processed by calling the data analysis logic corresponding to query data type, and the analysis data of preset format is obtained.According to the assertion rule configured in advance, the assertion result data of analysis data is obtained by assertion processing of analysis data.Finally, according to query data type, analysis data and assertion result data, test result data is generated to be displayed.Obtaining the key data of server in a targeted manner is realized, and the assertion based on analysis result configuration and assertion result information visualization.Improve the comprehensiveness and efficiency of server interface automatic test.