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A kind of paxos instance update method, device and system

A technology of instance update and equipment, applied in the field of distributed computing, can solve the problems of low execution efficiency of Paxos algorithm, achieve the effect of avoiding repeated execution preparation process, high execution success rate, and improving execution efficiency

Active Publication Date: 2017-06-27
BEIJING FEINNO COMM TECH
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  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The method, device and system for realizing the consistency of the distributed computing system provided by the present invention solve the problem of low execution efficiency of the existing paxos algorithm

Method used

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  • A kind of paxos instance update method, device and system
  • A kind of paxos instance update method, device and system
  • A kind of paxos instance update method, device and system

Examples

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example I

[0036] Step 101: The proposal node executes the learning process, obtains the instance information of the approved paxos instance under the current plan, and obtains the instance ID of the paxos instance to be updated according to the instance information of the approved paxos instance;

[0037] Step 102: The proposal node obtains the serial number of the last approved paxos instance successfully used, and directly initiates an approval request to all approval nodes with the serial number of the last approved paxos instance successfully used and the instance ID. After the approval request is accepted by the approval node of the majority, it is confirmed that the paxos instance to be updated has been approved, and the paxos instance to be updated is updated.

[0038]Among them, the proposal node needs to obtain the sequence number that was successfully used by the last approved paxos instance before executing the next instance. There are many ways to obtain it. For example, whe...

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Abstract

The invention discloses a paxos instance update method, the method comprising: a proposal node executes a learning process, obtains instance information of an approved paxos instance under the current scheme, and obtains a paxos instance to be updated according to the instance information of the approved paxos instance Instance ID; the proposal node obtains the serial number of the last approved paxos instance successfully used, and directly initiates an approval request to all approval nodes with the serial number of the last approved paxos instance successfully used and the instance ID. After the approval request is accepted by the approval node of the majority, it is confirmed that the paxos instance to be updated has been approved, and the paxos instance to be updated is updated. Correspondingly, the present invention also discloses a device and system for updating paxos instances. The present invention simplifies the execution of the paxos algorithm, improves the execution efficiency of the paxos algorithm, and solves the problem of low execution efficiency of the existing paxos algorithm.

Description

technical field [0001] The invention relates to the field of distributed computing, in particular to a paxos instance updating method, device and system. Background technique [0002] The cooperative actions among the nodes in the distributed computing system provide users with more reliable access to data and computing resources. Each node in a distributed computing system performs the same task and stores the same information, so the distributed computing system often inevitably produces the following errors: slow process, restart and message delay, message loss, message duplication, etc. [0003] In order to ensure that each node in the distributed computing system executes the same command, it is necessary to execute a "consensus algorithm" on each instruction. The paxos algorithm is a "consensus algorithm" applied to distributed computing systems. In the paxos algorithm, if a data update operation is performed on all replicas, a learning process is firstly required to...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/08
Inventor 林谡
Owner BEIJING FEINNO COMM TECH
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