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云數(shù)據(jù)庫 MySQL版

讀寫分離上線

自動(dòng)擴(kuò)展讀寫分離，性能提升不止一點(diǎn)

概述

云數(shù)據(jù)庫MySQL版額外提供了一個(gè)讀寫分離地址，聯(lián)動(dòng)主實(shí)例及其下的所有只讀實(shí)例，實(shí)現(xiàn)自動(dòng)的讀寫請(qǐng)求轉(zhuǎn)發(fā)。

應(yīng)用程序連接讀寫分離地址后，可根據(jù)權(quán)重自動(dòng)將寫入請(qǐng)求發(fā)往主實(shí)例，將讀取請(qǐng)求按權(quán)重發(fā)往各個(gè)只讀實(shí)例。

統(tǒng)一地址

提供一個(gè)讀寫分離地址，應(yīng)用即連即用，

無需任何額外修改。

自動(dòng)轉(zhuǎn)發(fā)

在云數(shù)據(jù)庫高安全鏈路實(shí)現(xiàn)對(duì)讀寫請(qǐng)求的自動(dòng)轉(zhuǎn)發(fā)，

數(shù)據(jù)庫復(fù)雜架構(gòu)完全對(duì)應(yīng)用透明。

配置靈活

可按需修改各個(gè)實(shí)例的讀請(qǐng)求處理權(quán)重、延遲閾值，

確保鏈路穩(wěn)定可控。

產(chǎn)品優(yōu)勢

原生組件支持，提升性能

云數(shù)據(jù)庫 MySQL版高安全鏈路原生支持讀寫分離，應(yīng)用程序直接連接即可使用。減少對(duì)自建代理層實(shí)現(xiàn)讀寫分離的層層組件依賴，

可大幅度降低訪問延遲和提升訪問效率。

消除單點(diǎn)故障，提升可用性

云數(shù)據(jù)庫MySQL版讀寫分離，智能根據(jù)實(shí)例的健康情況和延遲數(shù)據(jù)調(diào)整權(quán)重，提升架構(gòu)可用性。

自建組件則較難實(shí)現(xiàn)對(duì)實(shí)例的健康判斷及流量自動(dòng)調(diào)整，會(huì)嚴(yán)重影響架構(gòu)可用性。

免費(fèi)使用，降低成本

為普惠用戶，云數(shù)據(jù)庫MySQL對(duì)所有只讀實(shí)例用戶免費(fèi)提供讀寫分離功能，無任何額外費(fèi)用。

自建讀寫分離代理層，需要投入巨大的資源成本和人力維護(hù)成本。

架構(gòu)對(duì)比

減少組件,降低延遲

自動(dòng)調(diào)整權(quán)重,提升可用性

免費(fèi)使用,降低成本

開通步驟

-1-

為主實(shí)例添加

只讀實(shí)例

-2-

調(diào)整為

高安全模式

-3-

開通讀寫

分離功能

-4-

開始使用

使用文檔

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