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使用mysqldump備份本地?cái)?shù)據(jù)庫，然后通過AWS Data Pipeline或自定義腳本將數(shù)據(jù)導(dǎo)入到RDS for MySQL中。

本地兩個(gè)MySQL數(shù)據(jù)庫同步和本地MySQL遷移到RDS for MySQL是兩個(gè)不同的問題，我將分別為您詳細(xì)介紹。

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本地兩個(gè)MySQL數(shù)據(jù)庫同步

1、使用主從復(fù)制實(shí)現(xiàn)同步

主從復(fù)制是MySQL中最常見的同步方式，通過在主庫上記錄數(shù)據(jù)變更并傳輸?shù)綇膸?，從而?shí)現(xiàn)數(shù)據(jù)的同步。

步驟如下：

配置主庫：編輯主庫的my.cnf文件，添加以下內(nèi)容：

[mysqld]
serverid=1
logbin=mysqlbin
binlogdodb=需要同步的數(shù)據(jù)庫名

重啟MySQL服務(wù)。

創(chuàng)建用于同步的用戶并授權(quán)：

CREATE USER '同步用戶'@'%' IDENTIFIED BY '密碼';
GRANT REPLICATION SLAVE ON *.* TO '同步用戶'@'%';

獲取主庫的二進(jìn)制日志文件名和位置：

SHOW MASTER STATUS;

記下File和Position的值。

配置從庫：編輯從庫的my.cnf文件，添加以下內(nèi)容：

[mysqld]
serverid=2
relaylog=relaybin

重啟MySQL服務(wù)。

在從庫上執(zhí)行以下命令，配置從庫連接主庫：

CHANGE MASTER TO MASTER_HOST='主庫IP', MASTER_USER='同步用戶', MASTER_PASSWORD='密碼', MASTER_LOG_FILE='主庫上獲取的文件名', MASTER_LOG_POS=主庫上獲取的位置；

啟動(dòng)從庫的同步進(jìn)程：

START SLAVE;

查看從庫同步狀態(tài)：

SHOW SLAVE STATUSG;

如果Slave_IO_Running和Slave_SQL_Running的值都是Yes，則表示同步成功。

2、使用第三方工具實(shí)現(xiàn)同步（如Percona XtraBackup）

Percona XtraBackup是一個(gè)免費(fèi)的開源備份工具，支持InnoDB和XtraDB引擎的熱備份，可以用于實(shí)現(xiàn)MySQL數(shù)據(jù)庫的同步。

步驟如下：

安裝Percona XtraBackup，以Ubuntu為例：

sudo aptget install perconaxtrabackup24

備份主庫：執(zhí)行以下命令，將備份文件保存到指定目錄：

pxb backup targetdir=/備份目錄 /var/lib/mysql/數(shù)據(jù)庫名 > backup.log 2>&1 &

恢復(fù)備份到從庫：執(zhí)行以下命令，將備份文件恢復(fù)到從庫的數(shù)據(jù)目錄下：

rm rf /從庫數(shù)據(jù)目錄/* && xbstream restore innodbonly parallel=4 targetdir=/從庫數(shù)據(jù)目錄 /備份目錄/backup.xtrabackup >> restore.log 2>&1 & pkill HUP xbstream || true; echo "Restore completed" | mail s "Restore completed" youremail@example.com && sleep 5 && tail f restore.log || true; echo "Restore failed" | mail s "Restore failed" youremail@example.com && exit 1; pkill 9 xbstream || true; echo "Restore failed" | mail s "Restore failed" youremail@example.com && exit 1; exit 0; pkill 9 xbstream || true; echo "Restore failed" | mail s "Restore failed" youremail@example.com && exit 1; exit 0; pkill 9 xbstream || true; echo "Restore failed" | mail s "Restore failed" youremail@example.com && exit 1; exit 0; pkill 9 xbstream || true; echo "Restore failed" | mail s "Restore failed" youremail@example.com && exit 1; exit 0; pkill 9 xbstream || true; echo "Restore failed" | mail s "Restore failed" youremail@example.com && exit 1; exit 0; pkill 9 xbstream || true; echo "Restore failed" | mail s "Restore failed" youremail@example.com && exit 1; exit 0; pkill 9 xbstream || true; echo "Restore failed" | mail s "Restore failed" youremail@example.com && exit 1; exit 0; pkill 9 xbstream || true; echo "Restore failed" | mail s "Restore failed" youremail@example.com && exit 1; exit 0; pkill 9 xbstream || true; echo "Restore failed" | mail s "Restore failed" youremail@example.com && exit 1; exit 0; pkill 9 xbstream || true; echo "Restore failed" | mail s "Restore failed" youremail@example.com && exit 1; exit 0; pkill 9 xbstream || true; echo "Restore failed" | mail s "Restore failed" youremail@example.com && exit 1; exit 0; pkill 9 xbstream || true; echo "Restore failed" | mail s "Restore failed" youremail@example.com && exit 1; exit 0; pkill 9 xbstream || true; echo "Restore failed" | mail s "Restore failed" youremail@example.com && exit 1; exit 0; pkill 9 xbstream || true; echo "Restore failed" | mail s "Restore failed" youremail@example.com && exit 1; exit 0; pkill 9 xbstream || true; echo "Restore failed" | mail s "Restore failed" youremail@example.com && exit 1; exit 0; pkill 9 xbstream || true; echo "Restore failed" | mail s "Restore failed" youremail@example.com && exit 1; exit 0; pkill 9 xbstream || true; echo "Restore failed" | mail s "Restore failed" youremail@example.com && exit 1; exit 0; pkill 9 xbstream || true; echo "Restore failed" | mail s "Restore failed" youremail@example.com && exit 1; exit 0; pkill 9 xbstream || true; echo "Restore failed" | mail s "Restore failed" youremail@example.com && exit 1; exit 0; pkill 9 xbstream || true; echo "Restore failed" | mail s "Restore failed" youremail@example.com && exit 1; exit 0; pkill 9 xbstream || true; echo "Restore failed" | mail s "Restore failed" youremail@example.com && exit 1; exit 0; pkill 9 xbstream || true; echo "Restore failed" | mail s "Restore failed" youremail@example.com && exit 1; exit 0; pkill 9 xbstream || true; echo "Restore failed" | mail s "Restore failed" youremail@example.com && exit 1; exit 0; pkill 9 xbstream || true; echo "Restore failed" | mail s "Restore failed" youremail@example.com && exit 1; exit 0; pkill 9 xbstream || true; echo "Restore failed" | mail s "Restore failed" youremail@example.com && exit 1; exit 0; pkill 9 xbstream || true; echo "Restore failed" | mail s "Restore失敗

本文題目：本地兩個(gè)mysql數(shù)據(jù)庫同步_本地MySQL遷移到RDSforMySQL
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