Data Transmission Method Based on Distributed Cache

Abstract

The invention relates to a data transmission method based on a distributed cache. The method comprises the following steps: A, a main process is started in the distributed cache in a master-slave architecture mode to make the main process acquire cluster database information; B, the master process creates a hash table representing the consistency of all databases, creates a plurality of slave processes, and enables each slave process to correspond to one master database; c, when a client sends an instruction to the master database, the client sends information containing a key-value to be connected to the slave process, and the slave process determines the corresponding slave process and the master database through the hash table; and D, client instruction is forwarded to the correspondingmaster database by one selected slave process through a multiplexing technology. Database source codes do not need to be modified, all databases do not communicate with one another, and communicationof the databases can be achieved through simple configuration.

Description

technical field [0001] The invention relates to the field of computer data transmission, and relates to a data transmission method of a distributed cache, specifically a data transmission method based on a Master-Slave distributed cache. Background technique [0002] In the current distributed cache, redis-cluster is an official cluster implementation supported by redis (an in-memory database). Its structural features are: [0003] 1. The cluster data communicates in pairs, and the internal protocol is used to transmit data to improve performance. [0004] 2. If more than half of the nodes in the cluster fail to detect, all nodes will fail. [0005] 3. There is no proxy layer between the client and server of the redis database, and the client directly connects to any node in the cluster. [0006] 4. redis-cluster maps nodes to [0-16383] slots, and cluster is responsible for maintaining the relationship between nodes, slots, and values. [0007] 5. The redis database clust...

AI Technical Summary

Problems solved by technology

[0004] 2. If more than half of the nodes in the cluster fail to detect, all nodes will fail

[0005] 3. There is no proxy layer between the client and server of the redis database, and the client directly connects to any node in the cluster

[0012] The codis solution needs to rely on redis sentinel (the high-availability solution officially recommended by redis) to switch the master / slave database of redis, and codis is divided into multiple systems, each system is cumbersome to configure and has a lot of parameter adjustment data

Due to too many components, too many computer resources are required to deploy a codis cluster

At the same time, due to the modification of the source code of the redis database at the bottom layer of codis, the redis database cannot be synchronized with the open source environment of the open source software

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