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Method and device for realizing distributed exclusive lock

An implementation method and technology of distributed locks, applied in the field of virtualized computing platforms, can solve problems such as residual lock resources

Active Publication Date: 2019-02-12
ZHENGZHOU YUNHAI INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The lock resource is managed through the lease process, which solves the problem of RBD-based distributed lock resource residue

Method used

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  • Method and device for realizing distributed exclusive lock
  • Method and device for realizing distributed exclusive lock
  • Method and device for realizing distributed exclusive lock

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Embodiment Construction

[0034] In order to make the purpose, technical solution and advantages of the present invention more clear, the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined arbitrarily with each other.

[0035] The steps shown in the flowcharts of the figures may be performed in a computer system, such as a set of computer-executable instructions. Also, although a logical order is shown in the flowcharts, in some cases the steps shown or described may be performed in an order different from that shown or described herein.

[0036] In the existing RBD-based distributed lock system, when the node is offline or the network is disconnected, it is easy to cause lock resources to remain.

[0037] In order to solve the above problems, an embodiment of the present invention provides...

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Abstract

The invention discloses a method and device for realizing a distributed exclusive lock, which relates to the technology of virtual computing platform, and solves the residual problem of the distributed lock resource based on RBD. The method includes maintaining a lease process; when acquiring the lock resource, using the node to register with the lease process, and completing the I / O operation ofthe distributed lock through the lease process. The technical proposal provided by the invention is applicable to a Sanlock distributed lock and realizes a distributed lock system supporting a lease.

Description

technical field [0001] The invention relates to a virtualized computing platform technology, in particular to a method and device for realizing a distributed exclusive lock. Background technique [0002] With the rapid development of computer technology and network technology, large clusters are widely used in actual production environments. By virtualizing server clusters, a cloud computing platform virtualization system is formed. In the virtualization system, coordinated actions are often required. Different systems or different hosts in the same system share the same resource or a group of resources, often requiring mutual exclusion. To prevent mutual interference and ensure consistency, distributed locks are needed to ensure the normal operation of the system under the above circumstances. [0003] Distributed locks generally need to support the use of large-scale environments, so distributed locks with leases need to be used to ensure the uniqueness of the node that a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/06
CPCG06F3/0604G06F3/0631G06F3/067
Inventor 马怀旭
Owner ZHENGZHOU YUNHAI INFORMATION TECH CO LTD
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