77results about How to "Solve load imbalance" patented technology

The invention provides access method, device and system of a server, relating to the field of computing and solving the problems of resource waste and low efficiency when a client accesses the server through four-layer load balance. In the access method, a load balance dispatcher selects a target server for the client according to application layer user information contained in a client request sent by the client; and the load balance dispatcher indicates the client to directly access the target server. The invention is suitable for the four-layer load balance of a network.

The embodiment of the invention provides a method for selecting a link and a device for selecting the link. The method comprises the following steps of: receiving a message, and selecting an initial link according to five-tuple information of the received message; collecting a TRUNK member flow status table of TRUNK according to a port where the locally-mutinied initial link is arranged, to obtain the link status flow of the initial link; when the link status flow of the initial link does not reach the preset flow upper limit status, transmitting the message through the initial link; and when the link status flow of the initial link reaches the preset flow upper limit status, selecting the optimal link from the TRUNK according to the TRUNK member flow status table to transmit the message. The embodiment of the invention further provides the device for selecting the link. According to the embodiments, the problem of the imbalance of the link load can be effectively solved, and the use ratio of the link resource can be improved.

The invention discloses a passive optical network system, an optical line terminal, optical network units and a method for realizing load balance. The system comprises the optical line terminal OLT and the optical network units ONU, wherein the OLT is used for monitoring the uplink flow rate of at least one ONU, counting the uplink flow rates of uplink wavelengths according to the monitored uplink flow rates of the ONUs, judging whether uplink flow rate unbalance occurs among the uplink wavelengths according to preset conditions, determining the ONUs needing wavelength adjustment if the uplink flow rate unbalance occurs, generating wavelength adjustment messages and transmitting the messages to the ONUs needing wavelength adjustment; and the ONUs receive the wavelength adjustment messages from the OLT and perform corresponding wavelength adjustment according to the wavelength adjustment messages.

The invention relates to a grid scheduling method based on energy optimization, which includes: 1. energy resources are the research focus of scheduling and factors such as initial energy value, network bandwidth, etc. are taken into consideration; 2. the energy optimization is achieved to ensure minimum energy consumption in the resource scheduling and the energy consumption in the grid resource scheduling is divided into calculation consumption and network communication consumption; 3. the optimization of time span is taken into consideration so as to ensure the load balance of the resource in the process of energy optimization; 4. a grid scheduling method based on energy optimization with a comprehensive consideration of energy constraint and time constraint is proposed. The method has the advantages that: 1. the limitation of singleness of resource type in the traditional resource scheduling calculation is changed; 2. the energy optimization is taken as the research focus of the scheduling model; 3. the problem of load imbalance caused in the process of energy optimization is solved; 4. an energy cost function is defined on the basis of time span optimization and energy optimization and the grid resource scheduling method based on energy optimization is proposed on the basis of the cost function.

The invention discloses a Nginx dynamic load balancing method based on WebSocket long connection, includes establishing a long WebSocket connection between Nginx and the back-end server node, calculating the static weight and the remaining load threshold of each back-end server node under no load, collecting periodic load information of back-end server node, calculating residual load parameters and real-time load weights of current server back-end node, judging the relationship between residual load parameters and residual load threshold value, and reasonably distributing the request by Nginxaccording to the latest load weights; It mainly solves the problem that the load weight can not be changed according to the actual situation of the back-end server in the traditional static load balancing method, which leads to the load imbalance.

The invention discloses a GPU thread design method of power flow Jacobian matrix calculation. The method comprises the steps that: power grid data is input, and pre-processing is carried out on a node admittance matrix Y; a CPU calculates position mapping relation tables respectively between sub-matrix non-zero elements and node admittance matrix Y non-zero elements; the calculates position mapping relation tables respectively between sub-matrix non-zero elements and Jacobian matrix non-zero elements; in a GPU, injection power of each node is calculated by an injection power kernel function S; and in the GPU, non-zero elements in sub-matrixes are respectively calculated by Jacobian sub-matrix calculation kernel functions and stored in a Jacobian matrix. According to the invention, the calculation of Jacobian matrix non-zero elements is carried out by the sub-matrixes, and the judgment of branch structures of sub-matrix regional process belonging to the elements, which is required by the direct calculation process using a single kernel function, is avoided, so that the execution efficiency is improved; in addition, the non-zero elements in the sub-matrixes having identical calculation formulas are calculated in a centralized manner, so that the problem of unbalanced thread loads is solved, and the efficiency of parallel calculation is improved.

The invention discloses a method for balancing wireless local area network loads by a wireless access controller, and the wireless access controller receives information of a wireless terminal actively reported by a wireless access point (AP) when the wireless terminal in the wireless local area network sends a Probe Request message to the wireless AP. The method is characterized by comprising the following steps: (1) when the wireless terminal begins to associate, the wireless access controller (AC) performs load balancing treatment on the current wireless terminal based on the currently collected information; or (2) the wireless AC checks the load conditions of wireless AP associated with all on-line wireless terminals at frequent intervals and performs load balancing treatment based on the load conditions. The method in the invention can better cope with the condition that wireless network topology changes abruptly and has good actual load balancing effect.

The embodiment of the invention discloses a method for load sharing, comprising the steps of: searching a corresponding first logical output interface according to the destination address of a first message; searching a matched first stream table entry in a stream table according to one or a plurality of fields in the quintuple of the first message; if the length of the stream table output interface of the first stream table entry is greater than or equal to the length of the first message, then sending the first message via the stream table output interface of the first stream table entry; or else, selecting a first physical output interface from a plurality of physical output interfaces, replacing the stream table output interface of the first stream table entry by the first physical output interface, and sending the first message via the first physical output interface. Additionally, the embodiment of the invention further provides a corresponding device for load sharing as well as another method and device for load sharing. Via the method and device for load sharing provided by the embodiment of the invention, the problem of load unbalance caused to traffic Hash can be solved, and the overall utilization rate of the physical output interfaces is increased.

The invention discloses an equipment priority realization method and a device in a virtual router redundancy protocol (VRRP) backup group, wherein the method comprises the following steps that: when a preset moment is reached, the current forwarding capability and the current carrying flow rate of each equipment are obtained; and the recorded priority of each equipment in each VRRP backup group is updated respectively according to the recorded priority of each equipment in each VRRP backup group, the recorded rest bandwidth of the equipment and the obtained current forwarding capability and the current carrying flow rate of the equipment. Through the method and the device, the VRRP equipment can realize the balanced sharing of forwarding loads of a network in an environment of a plurality of VRRP backup groups.

A method and apparatus for redundant storage of data is disclosed. The invention relates to the field of computer data processing. The method comprises the following steps: acquiring data to be processed; Determining a file heat value of the data to be processed; Determining a heat level of the data to be processed according to the file heat value and a predetermined heat threshold; And determining a data redundancy policy of the data to be processed according to the heat level. The method and device for data redundancy storage disclosed in the present application can solve the problem of nodeload imbalance caused by high visiting quantity, and can also solve the problem of wasting storage space caused by less visiting quantity data.

The invention relates to the technical field of blockchains, and discloses a food and drug traceability method based on blockchain, and the method comprises the steps of determining related information required to be added to different types of enterprises in a food and drug supply chain transaction process; obtaining a food and drug supply chain process based on the blockchain by utilizing a blockchain modeling method based on the food and drug supply chain; performing identity verification on participants in the food and drug supply chain; utilizing a blockchain fragmentation load distribution strategy based on blockchain node performance; enabling the blockchain node to perform consensus verification on the data provided by the participants in the food and drug supply chain, and if thedata passes the consensus verification, enabling the blockchain node to store the food and drug data by using a collaborative storage scheme; performing index construction by utilizing an improved blockchain index storage strategy, and realizing index query of food and drug traceability according to the constructed blockchain index. The invention further provides a food and drug traceability system based on the blockchain. According to the invention, traceability of food and drugs is realized.

The invention discloses an instruction scheduling method and device based on data streams. The device includes M instruction counting boards, M independent counting devices and a PE scheduling counting device, and a plurality of counting bits and a plurality of flag bits are arranged in each instruction counting board, wherein the counting bits and the flag bits are in one-to-one correspondence; each independent counting device is used for recording the total number of flag bits which are set as 1 in a current function unit, and according to the execution conditions of instructions in function units, the PE scheduling counting device schedules the instructions. According to the instruction scheduling method and device, structural features of the data streams are fully taken into account and used, under the principle of compatibility, by monitoring the execution conditions of various instructions in a processor in real time and scheduling the instructions according to the execution conditions of the various instructions, the load imbalance problem existing in an instruction distribution stage in current computers is solved, the dynamic regulation, control and distribution of the instructions are achieved, not only are the utilization rate of each function unit and the controllable distributivity of resources greatly improved, but also the energy consumption is greatly reduced, and the instruction scheduling method and device have very wide application prospects.

The invention provides a load balance scheduling method for cloud computing virtual server system, which comprises a cluster under a computing pool in the cloud computing virtual server system, in which running multiple hosts under the cluster, using shared storage by each host, and running multiple virtual machines by each virtual machine. The method is characterized by having following steps ofconfiguring a threshold for cluster host parameter sunder the computing pool in the cloud computing virtual server system; obtaining monitoring data of the host; determining whether the host is a source host that performs virtual machine migration with a size of a parameter value obtained by the monitoring data; obtaining monitoring data of other hosts; judging from the obtained monitoring data, determining a destination host whether the migration of the virtual machine can be accepted. According to the load balance scheduling method for the cloud computing virtual server system, the problem of unbalanced host load is solved.

The invention relates to a computing resource management scheduling method for industrial edge nodes, and belongs to the field of Internet of Things. The method comprises the following steps: S1, constructing a computing resource virtualization architecture for industrial edge nodes; s2: scheduling computing resources. The invention provides an industrial edge node-oriented computing resource virtualization architecture, which comprises an industrial physical layer, a virtual resource layer and a control layer, and realizes unified management of computing resources. Meanwhile, a computing resource scheduling strategy is provided by predicting the computing resource use condition of the edge node at the future moment and combining the industrial computing priority and the overload conditionof the edge node, so that the problem of unbalanced load of the edge node in an industrial environment is solved.

The invention discloses a node load balancing scheduling method in an edge computing environment. The method comprises the following steps: acquiring a CPU utilization rate and an I/O resource utilization rate of edge nodes around a base station according to the latest completion time of a task sent by a base station receiving terminal; calculating the average load rate of the obtained surrounding nodes, and calculating the load rate of each node; putting the nodes with the load rates smaller than or equal to the average load rate into the first queue in a positive sequence, putting the nodes with the load rates larger than the average load rate into the second queue in a positive sequence, and finally putting the current task into the nodes of the first queue or the nodes of the second queue meeting the current task resource to be executed. According to the method, the nodes are screened, so that the problem of load imbalance caused by only selecting the nearest node in a common method is avoided; when the nodes are released for the tasks, the adopted measurement index is the load rate instead of the load, so the tasks can be allocated to the nodes with fewer resources under the condition that the resource difference between the nodes is very large, and the load balancing is really achieved.

The invention discloses a super computer I/O forwarding node polling mapping method, which comprises the following steps of: calculating the number of I/O forwarding nodes in a super computer, and recording the number as n; numbering the n I/O forwarding nodes to be ION0, ION1,..., IONn-1 respectively; calculating the number of calculation nodes in the super computer, and recording the number as m, wherein the serial numbers of the calculation nodes are respectively CN0, CN1,..., CNm-1; mapping the calculation node CNi to an I/O forwarding node IONi% n by adopting a polling mapping calculationmethod; modifying I/O forwarding node configuration on each computing node, namely modifying the I/O forwarding node configuration from the traditional partition mapping method to IONi% n of a polling mapping method for the computing node CNi; processing all I/O requests sent from the computing node CNi by the I/O forwarding node IONi% n; after the I/O forwarding node configurations on all the computing nodes are modified, restarting the I/O forwarding services on the computing nodes, so that the configurations take effect, and the method solves the problem of load imbalance among the I/O forwarding nodes.

The invention provides a load balancing method for a distributed message system. For functional roles of different copies under a distributed message system, two load migration strategies of leading role migration and copy migration are provided. For the two load migration strategies, a target copy and target node selection strategy basis method is designed in detail. While load migration is realized, copy consistency, partition availability and data reliability in a distributed environment are ensured, and resource utilization among users in a shared cluster does not influence each other.

The invention discloses a blockchain state data synchronization method based on Rsync, and the method comprises the steps: packaging the state data of all block nodes in a blockchain into an object, storing the object in a message queue, and reading the data of each block node from the message queue one by one; based on the block data of each block node, uniformly dividing the block node into a plurality of sub-data blocks according to the size of the data volume, and numbering the plurality of sub-data blocks; based on an Rsync algorithm, calculating a strong verification value and a weak verification value of each sub-data block; inputting the sub-data blocks and the corresponding strong check values and weak check values to the Rsync client; based on a synchronous source file of the Rsync client, searching for a corresponding weak verification value and a strong verification value, and screening out sub-data blocks lacking the weak verification value and/or the strong verification value; on the basis of the synchronous source file, replacing the sub-data block without the verification value. The problem of unbalanced node load in the blockchain data synchronization process is solved, the data synchronization performance in the block network can be improved, and the required computing resources are less.

The invention relates to a greedy K-mean self-organizing neural network multi-robot path planning method, and belongs to the technical field of artificial intelligence and robot system control. According to the method, the task allocation problem and the path planning problem are considered together, a two-stage solving mode is adopted, robot task allocation is completed in the first stage, and path planning is conducted in the second stage according to the task allocation result in the first stage. In a K-mean iteration process, a greedy algorithm is used to estimate path cost required for task execution by each robot, the size of an adjustment factor is guided through the path cost, and a task allocation result in a clustering process is adjusted through the adjustment factor. The problem of unbalanced robot load of a K-means clustering algorithm and a self-organizing neural network algorithm is solved, a task execution path scheme of load balancing is efficiently planned for each robot, and the method has the advantages of being high in universality and robustness.

The invention provides a batch transaction task processing method among multiple systems, which comprises the following steps that: a first node acquires a plurality of transaction tasks in a specified time period, packs each transaction task into a transaction task file according to the transaction type of the transaction task, and sends the transaction task file to a second node behind the transaction task file; The second node receives the transaction task file, analyzes the transaction task file and performs batch processing; The second node carries out account checking on the transactiontask files subjected to batch processing and transmits the transaction task files to the third node; And the third node transmits a transaction result file generated by processing the transaction taskfile back to the first node through the second node. According to the method, the resource utilization efficiency can be higher according to the proportion of idle resources to total resources, batchprocessing can not affect real-time transactions, it is guaranteed that the real-time transactions are efficiently completed, reconciliation is completed in the whole transaction completion process,and the problem that reconciliation is complex in the prior art is solved.