Data migration method, equipment, storage medium and device

A data and migration cost technology, applied in multi-programming devices, electrical digital data processing, program control design, etc., can solve the problem of high migration cost, improve data throughput, reduce the overall migration cost, and reduce data migration effect of time

Active Publication Date: 2021-08-31
SOUTH CENTRAL UNIVERSITY FOR NATIONALITIES
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0003] The main purpose of the present invention is to provide a data migration method, equipment, storage medium and device, aiming to solve the technical problem of high migration cost during the data migration process in the current distributed cache system

Method used

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  • Data migration method, equipment, storage medium and device
  • Data migration method, equipment, storage medium and device
  • Data migration method, equipment, storage medium and device

Examples

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Embodiment Construction

[0043] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0044] refer to figure 1 , figure 1 It is a schematic diagram of the device structure of the hardware operating environment involved in the solution of the embodiment of the present invention.

[0045] Such as figure 1As shown, the device may include: a processor 1001 , such as a CPU, a communication bus 1002 , a user interface 1003 , a network interface 1004 , and a memory 1005 . Wherein, the communication bus 1002 is used to realize connection and communication between these components. The user interface 1003 may include a display screen (Display), and the optional user interface 1003 may also include a standard wired interface and a wireless interface. Optionally, the network interface 1004 may include a standard wired interface and a wireless interface (such as a Wi-Fi interface). The memory 1005 can be a hi...

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Abstract

The invention discloses a data migration method, equipment, storage medium and device. When the load balancing state of the system does not meet the preset condition, the invention selects a plurality of first nodes and second nodes from the system to form nodes to be migrated out set and the node set to be migrated, based on the load of each first node, select the node to be processed from the node set to be migrated out, determine the target migration node based on the average migration cost, and migrate the data of the node to be processed to the target migration node node, and remove the node to be processed from the set of nodes to be migrated out, and when there is still a first node in the set of nodes to be moved out, repeat the execution of the load based on each first node, and remove the node from the set of nodes to be moved out In the step of selecting nodes to be processed, the present invention sorts the migration nodes based on the average migration cost and then selects the target migration node, so that the overall migration cost of the entire system is reduced, the data migration time is reduced, and the data throughput of the system is improved.

Description

technical field [0001] The present invention relates to the technical field of distributed cache, in particular to a data migration method, equipment, storage medium and device. Background technique [0002] The Redis cluster distributed cache system will evenly distribute data to each cache node, but when the number of cache nodes in the cluster changes, the balanced state of the data load of each cache node in the cluster will be broken. In order to make the Redis cluster reach a balanced state again, data migration operations need to occur between each cache node. However, when the current Redis cluster performs a data migration operation, the method of randomly selecting the migration object will cause a high migration cost when the cluster has many nodes participating in the data migration. In the cost-sensitive data migration algorithm, when selecting the migration object, it will first calculate the cost of migrating data from the outgoing node to the incoming node i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F9/50H04L29/08
CPCG06F9/5088H04L67/1097H04L67/1001
Inventor 夏梦王坤覃俊帖军吴立锋张慧丽罗一凡
Owner SOUTH CENTRAL UNIVERSITY FOR NATIONALITIES
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