41 results about "Downgrade" patented technology

The present application relates to the technical field of middleware, and in particular to a cache data semi-synchronization method, comprising comprises the following steps: writing and running a distributed cache proxy layer service using a preset programming language, receiving a read / write command request from an application client, parsing a Key consistent hashing value and sending same to a rear-end Redis sharding node. A master instance parses a message packet, marks a write operation and records same in an AOF file. Upon write to disk, the master instance sends an AOF file transfer command to a slave instance node, and the slave instance acknowledges reception. When receiving a reception response, the master instance updates an acknowledgment offset of the slave node and responds to the client. When network delay is high, data of a master node and a slave node is marked as "asynchronous", and it is automatically downgraded to asynchronous replication. According to the present application, by means of a self-developed Redis kernel, an asynchronous ack mechanism is used to optimize redis to achieve master-slave semi-synchronization, thereby enhancing data reliability of a single point of failure, and eliminating the influence introduced by a native Redis asynchronous replication mechanism such as data delay and data consistency.

The invention relates to the technical field of PCIe (Peripheral Component Interconnect Express), in particular to a PCIe dynamic degradation type link resetting method and system. Comprising the following steps: S1, continuously reading the LTSSM state of a PCIe link, recording the duration of an abnormal state, and when the duration exceeds a preset threshold value, judging that timeout abnormity exists; s2, after the abnormal early warning is received, a dynamic degradation reset instruction for the NVMe controller is initiated; s3, the state machine control unit takes over the reset link initialization process and follows the physical layer priority gt; the link layer is preferentially gt; a priority strategy is simplified by a transaction layer, and a centralized resource guide link rapidly completes training and enters an L0 state. Compared with the prior art, the method has strict protocol compliance, the reset efficiency is improved, and the overall stability and performance of the system are optimized.

The embodiment of the invention provides a verification method and system for system degradation, equipment and a medium. A specific embodiment of the method comprises: in response to a degradation verification request of a user for a target system, starting a server to execute a corresponding target operation for the target system, and triggering a target event corresponding to the degradation verification request and for a verification server, event parameters comprising a test scene of the verification; in response to the target event, the verification server sends an event type and a test scene to the configuration server; the configuration server calls a test server to execute a function test task for the target system according to the event type and the test scene; the test server sends the execution result to a verification server for determining a verification result for the degraded verification request. By means of the method, the efficiency of degradation verification and the verification frequency in a specific verification period can be greatly improved, and then the capacity of discovering degradation faults of the system through degradation verification is improved.

The invention provides a priority dynamic allocation method and system of an embedded operating system, and belongs to the technical field of embedded operating systems. The method comprises the following steps: initializing a core data structure of the embedded operating system, and starting a time base manager; performing task registration and static parameter setting, integrating dynamic priority factors, and calculating effective priorities of tasks to dynamically configure task parameters; using the time base manager to drive a multi-layer scheduling mechanism to perform multi-level task scheduling; dynamically adjusting the effective priority to realize the priority dynamic distribution of the embedded operating system; and monitoring the running state of the embedded operating system, and performing dynamic cutting according to the running state so as to optimize the running of the embedded operating system. According to the invention, the peripheral interruption directly triggers the dependent task priority transition; the priority can be dynamically adjusted, and priority overturning and low-priority task starvation are prevented; the function modules can be automatically degraded according to hardware resources, and the purpose of good hardware adaptability is achieved.

The invention provides a processor cluster control device, method and equipment, relates to the technical field of electronics, and is used for improving the energy efficiency of a processor cluster under the condition that the overall performance of the processor cluster is not changed. The device comprises a plurality of processors located in the same voltage domain and / or clock domain, and a detector and a controller which are coupled with a first processor in the plurality of processors, the detector is used for detecting performance parameters of the first processor; the controller is used for controlling the first processor to be switched from a normal working mode to a performance degradation mode when the load of the first processor is smaller than that of the second processor, and the second processor is the processor with the maximum load in the plurality of processors; wherein a first performance parameter detected by the detector when the first processor is in the normal working mode is greater than a second performance parameter detected by the detector when the first processor is in the performance degradation mode.

The present invention discloses a method for optimizing energy consumption scheduling of dynamic priority semi-perspective non-precise mixed critical tasks, which includes: establishing a dynamic priority semi-perspective mixed critical task graceful degradation scheduling model; determining scheduling rules and system correctness rules according to preset rules; obtaining the low-criticality level task τ according to a preset formula; i Processor requirements, high-criticality tasks τ j Processor requirements; according to the system correctness rules, low-criticality tasks τ i Processor requirements, high-criticality tasks τ j The present invention schedules mixed-critical tasks through a dynamic priority method and calculates the processor speed based on energy consumption using system correctness rules, which not only effectively improves system utilization but also reduces system energy consumption.

The invention discloses a jamming processing method and device of computer equipment, a storage medium and the computer equipment, and the method comprises the steps that in the running process of the computer equipment, the CPU utilization rate of each background process is continuously monitored; if the CPU utilization rate of any background process is larger than the preset utilization rate, the normal priority corresponding to any background process is degraded, CPU resources are allocated according to the priority of each process through a scheduler, and the priorities of all foreground processes and all background processes of the computer equipment are normal priorities before degradation. By dynamically adjusting the priority of the background process, CPU resources can be distributed more reasonably, it is ensured that the foreground process can obtain enough resources to keep smooth operation, and therefore a user is prevented from perceiving the jamming phenomenon.

The application discloses a computer device lag processing method and device, a storage medium and a computer device. The method comprises the following steps: continuously monitoring the CPU usage of each background process during the running of the computer device; if the CPU usage of any background process is greater than a preset usage, performing a downgrade process on the normal priority corresponding to the any background process, so as to allocate CPU resources to each process according to the priority of each process by a scheduler, wherein the priority of each foreground process and each background process of the computer device is a normal priority before the downgrade. By dynamically adjusting the priority of the background process, the CPU resources can be more reasonably allocated, the foreground process can obtain sufficient resources to maintain smooth running, and thus the user can avoid the perception of the lag phenomenon.

A device and method and computer readable medium for resisting downgrade attacks. User equipment includes a memory having instructions stored thereon and a processor configured to execute the instructions stored on the memory to cause the user equipment to perform operations comprising applying an only-WPA3 rule to the user equipment, determining if the user equipment is in a connected state, when the network device is determined to be in a WIFI Protected Access 2 (WPA2) mode, receiving a notification from the network device to delete the only-WPA3 rule while the user equipment is in the connected state, and in response to receiving the notification, deleting the only-WPA3 rule.

The application provides a BIOS downgrade processing method, device and equipment and readable medium. If BIOS downgrade is detected, the running states of each management controller are acquired. If the running states of two management controllers are different, the IP information of the management controller with the main running state is acquired. If all address bits in the IP information are 0, the preset retry mechanism for the management controller is started, and the step of acquiring the IP information of the management controller with the main running state is returned. If not all address bits in the IP information are 0, the BIOS is downgraded according to the IP information. Therefore, the retry mechanism is introduced when the BIOS is downgraded, the retry mechanism is started when the IP of the management controller is abnormal, the IP of the management controller is re-acquired, the valid IP address of the management controller is acquired when the BIOS is downgraded, and the BIOS downgrade failure of the storage device is prevented.

This information processing device comprises a control unit that, using a plurality of response models, acquires a response indicating information relating to at least one common theme, and when a consideration condition, which is a condition relating to consideration, is not satisfied, performs a downgrade process on a part or all of the response, wherein the control unit outputs the response after the downgrade process.

To provide technique for enabling improvement of safety of a facility equipment system.SOLUTION: A facility system includes an external server and facility equipment configured to communicate with the external server. The facility equipment includes a control unit. The control unit is configured to execute downgrading that applies an older version of firmware to the facility equipment, the order version of firmware having been applied to the facility equipment before a current version of firmware currently applied to the facility equipment. The current version of firmware includes downgrading permission information indicating whether to allow the control unit to execute downgrading. The control unit executes downgrading in the case where a downgrading request is issued to the control unit and the downgrading permission information indicates permission. The control unit does not execute downgrading in the case where the downgrading request is issued and the downgrading permission information indicates non-permission.SELECTED DRAWING: Figure 2

The present disclosure provides a method for application downgrade. The method includes: based on user operation, starting the application; when the application needs to be forcibly downgraded, downgrading the application to a specified version based on a first-level downgrade configuration of the application; starting the application of the specified version; after the application of the specified version is started, starting the first service in the application based on a user's selection operation; when the first service needs to be downgraded, determining whether there is a second-level downgrade configuration for the first service; and if there is a second-level downgrade configuration for the first service, jumping to a first webpage running the first service based on the second-level downgrade configuration for the first service. The present disclosure also provides a device for application downgrade, an electronic device, and a medium.

The invention belongs to the technical field of firmware batch management, and particularly relates to a device firmware batch management and control method and system, and the method comprises the steps: coding a to-be-managed and controlled device through a coding module, and coding a to-be-managed and controlled firmware; uploading the device firmware file to the corresponding firmware code through a file uploading module; the configurator places an order to select target firmware of the device and automatically generates an upgrading path; scheduling the upgrading and downgrading mode of each device, scheduling related device configuration firmware paths on the configuration list, and generating a configuration file; and factory delivery test scheduling TU. According to the process, one-time development and multi-time calling are realized, manpower and material resources are saved, software coding application is more beneficial to firmware version management and control, a configuration file upgrading and degrading path is controllable, upgrading and degrading can be scheduled, and upgrading and degrading verification related to interception and introduction of a test is more perfected.

The present invention discloses an application service degradation method and apparatus, relating to the field of computer technology. A specific embodiment of the method includes: obtaining hardware information; determining a degradation type corresponding to the hardware information according to the hardware information and preset hardware conditions corresponding to the degradation type; and degrading the application service according to the degradation type corresponding to the hardware information. This embodiment can timely degrade the application service and avoid providing invalid services.

Security and support for trust domain operation is described. An example of a method includes processing, at an accelerator, one or more compute workloads received from a host system; upon receiving a notification that a trust domain has transitioned to a secure state, transition an original set of privileges for the accelerator to a downgraded set of privileges; upon receiving a command from the host system for the trust domain, processing the command in accordance with the trust domain; and upon receiving a request from the host system to access a register, for a register included in an allowed list of registers for access, allow access to the register, and, for a register that is not within the allowed list of registers for access, disallowing access to the register.

The invention discloses an upgrading and downgrading test method and device, electronic equipment and a medium, and relates to the technical field of computer hardware, and the method comprises the steps: obtaining a hard disk type corresponding to a target hard disk in response to a received upgrading and downgrading test instruction for firmware in the target hard disk; determining a firmware upgrading and downgrading tool corresponding to the target hard disk based on the hard disk type corresponding to the target hard disk; the firmware in the target hard disk is subjected to upgrading and downgrading test by utilizing the upgrading and downgrading tool, so that the technical problem that the firmware upgrading and downgrading test efficiency is low due to the fact that the firmware refreshing process is fragmented and the complexity of the test process is increased in a related firmware upgrading and downgrading test scheme is solved, and the purposes of simplifying the firmware upgrading and downgrading test process and improving the firmware upgrading and downgrading test efficiency are achieved. And the upgrading and downgrading test efficiency is improved.

The application discloses a loading method and a loading device of an application page, and relates to the technical field of computers. A specific implementation of the method comprises the following steps: an exception monitoring process is used to capture exception information, and the exception information is analyzed to obtain the number of times of abnormal loading of a target application page within a preset time; in the case that the number of times of abnormal loading is greater than a preset number of times, a user is requested whether to open a local downgrade switch corresponding to the target application page; in the case that the request is accepted, the target application page is loaded by using a downgrade configuration stored locally in advance; and in the case that the request is rejected, the target application page is loaded according to a server downgrade switch corresponding to the target application page. The implementation sets the local downgrade switch and the server downgrade switch, and in the case that the number of times of abnormal loading is greater than the preset number of times, the downgrade switch can be intelligently opened, the page loading is completed, and the user experience is improved.

Techniques for downgrading of database software. Code areas that may affect downgradability may be delineated with code markers. Changes to these sections can be made to prevent a new database version from being built unless a process is taken to indicate that any new features be designated as available, but not yet allowed for N software releases. This provides a downgrade window of N releases that will support functionality currently allowed by the database. In response to receiving a downgrade request to a target older database software version, that request can be permitted if all the database features are available or allowed in the target version. If at least one of the database features is not available in the target version, the downgrade requested is not permitted. If the request is permitted, the downgrade operation is commenced.

Disclosed is a system and a method to enhance executable load file (EFL ) upgrade, the method comprises : receiving a request for the ELF upgrade; identifying a tag in the request, the tag indicating a new ELF version intended to be loaded; determining that the new ELF version is newer, equal or lower than a current ELF version; take a decision based on the indicated new ELF version whether to continue with the upgrade process or stop the process if for instance ELF downgrade; saving data instances of a current ELF, the data instances corresponding to the ELF upgrade; in response to saving the data instances of the current ELF, loading the ELF upgrade; and in response to loading the ELF upgrade, generating data instances for the ELF upgrade, based at least in part on the saved data instances.

The invention discloses a processor firmware updating processing method and electronic equipment, and relates to the technical field of servers. The method comprises the following steps: when a target processor updates current-version firmware with a hardware log recording function to target-version firmware, updating the current-version firmware with the hardware log recording function to the target-version firmware; and controlling the target processor to stop storing the log record for receiving the hardware key physical signal into the log record storage space and storing the log record into the preset storage space through the substrate management controller, and after the target processor is updated to the target version firmware, obtaining the log record from the preset storage space and writing the log record into the log record storage space, thereby solving the technical problem of log record function failure caused by conflict between the processor upgrading and downgrading channel and the log record channel, and achieving the purposes of not losing the log record; the technical effect of reliability of equipment problem positioning is achieved.

The application discloses a fault-tolerant quantum architecture design method, device, storage medium and electronic equipment, wherein the fault-tolerant quantum architecture design method comprises the following steps: obtaining hardware configuration parameters of a target quantum computing architecture, and constructing a fault tree model based on the hardware configuration parameters; performing vulnerability evaluation on the fault tree model, generating a vulnerability quantification index, and determining a candidate component set requiring deployment of a resilience mechanism according to the vulnerability quantification index; configuring a corresponding resilience strategy for each component in the candidate component set, and generating a graceful degradation planning table based on the resilience strategy; inputting the fault tree model, the resilience strategy and the graceful degradation planning table into a formal verification engine to output a reliability certificate; and generating an authenticated resilience architecture netlist through a hardware description language according to the reliability certificate. The application can solve the technical problems that the quantum computing system lacks systematic fault-tolerant design, the fault response capability is insufficient, and the reliability index cannot be verified in the prior art.

The application discloses an application service processing method and device, equipment and medium, and relates to the technical field of cloud services. A plurality of node groups of different architectures are created in a k8s cluster, and the computing power of each node group is obtained. The application is deployed on a plurality of current node groups according to the replica requirement of the application under different architectures, and a service corresponding to the number of replicas is created. The running condition of the application is monitored, and it is judged whether the preset condition is met. If not, the target number of replicas is obtained by equivalent replica calculation according to the computing power of the current node group, the number of replicas and the computing power of the target node group. Service replicas are created in the target node group according to the target number of replicas to provide equivalent services. The above scheme obtains the computing power of each architecture node group in advance. When the application service deployed on one architecture does not meet the preset condition, service replicas are created on other architectures according to the equivalent conversion method of the computing power, thereby preventing service degradation and reducing the difficulty of application cross-processor architecture deployment.

This invention provides a self-management method, apparatus, device, and storage medium for a platform as a service (PAS), comprising: collecting key parameters of the PAS within a target period; performing an upgrade operation on the PAS when the CPU utilization or memory utilization is greater than a predefined alarm threshold; generating a comprehensive score of service profile parameters and an actual score corresponding to each type of service profile parameter within the target period according to preset rules when both CPU utilization and memory utilization are less than the predefined alarm threshold; performing an upgrade operation on the PAS when the comprehensive score is less than a predefined service profile threshold; and performing a downgrade operation on the PAS when the actual score of the throughput indicator is less than a predefined target threshold. This invention improves the performance of the PAS by modifying resource parameter configurations through upgrade or downgrade operations.

The invention discloses a firmware upgrading and downgrading method and device, a medium and a program product, and relates to the technical field of servers, and the method comprises the steps: carrying out the bidirectional identity verification of a server and a firmware upgrading and downgrading device, so as to guarantee the authenticity of the identities of the server and the firmware upgrading and downgrading device, and guarantee the credibility of the server and the firmware upgrading and downgrading device; when the upgrading and degrading mode of the firmware upgrading and degrading device is the automatic mode, generating an upgrading instruction or a degrading instruction of the firmware according to the current version number or the current running state of the firmware, so that the technical problem of relatively low automation degree of firmware updating is solved, and the technical effect of improving the automation degree of firmware updating is achieved; and when the upgrading and downgrading mode of the firmware upgrading and downgrading device is the manual mode, generating the upgrading instruction or downgrading instruction of the firmware according to the user instruction so as to realize that the firmware can be updated without triggering automatic upgrading and downgrading.

The application discloses a processing method, device, equipment, system and storage medium for realizing configurable RAS graceful degradation. The method comprises the following steps: receiving a RAS fatal error event reported by hardware during DPU operation; performing multi-dimensional strategy matching on the RAS fatal error event, reclassifying the original RAS fatal error event as a recoverable event when a preset degradation condition is met, and preventing the system from entering an emergency termination process; performing isolation or degradation processing on associated system resources; receiving a processing result and triggering a business adjustment operation. The application can process hardware-level RAS fatal errors online without firmware upgrade or system restart, avoids overall reset of the DPU, supports unified policy management and state recovery in the cloud, significantly reduces the fault amplification effect, and guarantees business continuity.

The application discloses a kind of based on virtualization dual-domain security fault handling method, device, equipment and medium, it is related to virtual system fault handling technical field, including: in security domain and non-security domain respectively deploying security virtual machine and non-security virtual machine and build the kernel module dependency relationship tree of non-security virtual machine While obtaining the resource occupation information of each kernel module;When kernel module in non-security virtual machine crashes, according to dependency relationship tree and resource occupation information, whether to execute fault degradation operation is evaluated and decided;If degradation is executed, the process related to fault module is terminated, unloads fault module and releases the system resource occupied by it;Final collection evaluation decision result and complete operation record report.It realizes the intelligent evaluation and elaboration processing of kernel module crash fault, limits the impact of fault in the minimum range, avoids single module crash to cause kernel panic or system crash, significantly improves the stability, observability and maintainability of operating system.

The application provides an automatic test method for pre-setting mode processing of upgrade and downgrade of a switch, relates to the technical field of communication equipment maintenance, and comprises the following steps: a test environment is built, an upgrade image is prepared, and a configuration file of a pre-setting page element positioning mode is prepared; an automatic script is checked, the number of times of upgrade and downgrade is set and saved, and the automatic script is manually started to be executed; the automatic script simulates mouse clicking of a web interface to execute an upgrade operation, judges whether the execution result is successful when each type of page element is operated, then judges whether a search result is matched, and finally judges whether pictures or text attributes are matched with the page elements; after all version tests of each type of page element are completed, a function test script logic process is run, an assertion result is obtained, and a test report is output. Through the pre-setting of the positioning mode of the page elements in different versions, the code structure redundancy is optimized, the fault tolerance of the automatic process is enhanced, and it is ensured that the upgrade and downgrade processes can be continuously performed without manual intervention.

The invention provides a state smooth switching method and system of a brake-by-wire system. A state smooth switching method of a brake-by-wire system comprises the following steps that in a normal working state, a main controller synchronizes control state data of a current period to a backup controller in real time, and a shadow state is established in the backup controller; the control state data comprises a target braking instruction and an accumulative error item of a control algorithm; when the main controller is detected to be abnormal, triggering a degradation switching process; the backup controller wakes up an internal control algorithm and extracts the received shadow state of the last period as an initial calculation value of the internal control algorithm; executing the step of cross gradual change takeover in a set transition time window; wherein the cross gradual change takeover step comprises the following steps: a final output instruction of the system is generated by fusing a reference instruction of a main controller and a real-time calculation instruction of a backup controller according to a dynamic weight, and the dynamic weight is progressively increased from 0 to 1 along with time. According to the invention, smooth transition of braking force is realized.

The present invention relates to a method for semi-synchronous caching data, belonging to the technical field of middleware, and includes the following steps: Write and run a distributed cache proxy layer service using a preset programming language, receive read and write command requests from application clients, parse the Key consistent hash value, and send it to the backend Redis shard nodes. The master instance parses the message packet, marks the write operation and records it in the AOF file. After the disk write is completed, the master instance sends an AOF file transfer command to the slave instance node, and the slave instance executes the receipt. After the master instance receives the receipt response, it updates the confirmation offset of the slave node and responds to the client. When the network latency is high, mark the data of the master and slave nodes as "out of sync" and automatically degrade to asynchronous replication. The present invention optimizes the implementation of master-slave semi-synchronization in Redis by self-developing the Redis kernel and using the asynchronous ack mechanism, improves the data reliability of single-point failures, and solves the problems of data latency and data consistency caused by the native Redis asynchronous replication mechanism.