{"id":52671,"date":"2025-08-11T17:19:05","date_gmt":"2025-08-11T09:19:05","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/52671.html"},"modified":"2025-08-11T17:19:05","modified_gmt":"2025-08-11T09:19:05","slug":"mysql%e6%9d%83%e9%99%90%e7%ae%a1%e7%90%86%e5%92%8cmysql%e5%a4%87%e4%bb%bd","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/52671.html","title":{"rendered":"MySQL\u6743\u9650\u7ba1\u7406\u548cMySQL\u5907\u4efd"},"content":{"rendered":"

\u4e94\u3001MySQL\u6743\u9650\u7ba1\u7406<\/h2>\n

\u00b7\u8bbe\u7f6e\u5bc6\u7801\u5b89\u5168\u7ea7\u522b<\/span><\/span><\/h3>\n

# root \u6839\u7528\u6237 (\u8d85\u7ea7\u7ba1\u7406\u5458)\u3001\u7528\u6237\u4fe1\u606f\u8868：mysql.user<\/span><\/span><\/p>\n

# \u5237\u65b0\u6743\u9650<\/span><\/span><\/p>\n

flush privileges;<\/span><\/span><\/p>\n

# \u5b89\u88c5\u5e76\u6fc0\u6d3b\u5bc6\u7801\u89c4\u5219\u63d2\u4ef6<\/span><\/span><\/p>\n

install plugin validate_password soname 'validate_password.so';<\/span><\/span><\/p>\n

# \u67e5\u770b\u5bc6\u7801\u5f3a\u5ea6<\/span><\/span><\/p>\n

show variables like 'validate_password%';<\/span><\/span><\/p>\n

# \u8bbe\u7f6e\u5bc6\u7801\u5f3a\u5ea6\u4e3a\u4f4e，\u4f46\u662f\u5bc6\u7801\u81f3\u5c118\u4f4d<\/span><\/span><\/p>\n

set global validate_password_policy = 0;<\/span><\/span>\u6216\u8005<\/span><\/span><\/p>\n

set global validate_password_policy = low;<\/span><\/span><\/p>\n

\u00b7\u521b\u5efa\u65b0\u7528\u6237<\/span><\/span><\/h3>\n

create user \u7528\u6237\u540d@\u5730\u5740 identified by [password] \u5bc6\u7801(\u5b57\u7b26\u4e32) ;<\/span><\/span><\/p>\n

create user <\/span><\/span>\u2018<\/span><\/span>tom<\/span><\/span>\u2019<\/span><\/span>@<\/span><\/span>\u2019<\/span><\/span>localhost<\/span><\/span>\u2019<\/span><\/span>\u00a0identified by <\/span><\/span>\u2018<\/span><\/span>12345678<\/span><\/span>\u2019<\/span><\/span>;<\/span><\/span><\/p>\n

create user <\/span><\/span>\u2018<\/span><\/span>lisi<\/span><\/span>\u2019<\/span><\/span>@<\/span><\/span>\u2019<\/span><\/span>%<\/span><\/span>\u2019<\/span><\/span>\u00a0identified by <\/span><\/span>\u2018<\/span><\/span>lisi@123<\/span><\/span>\u2019<\/span><\/span>;<\/span><\/span><\/p>\n

# mysql\u4e2d\u7684\u7528\u6237\u7531\u4e24\u90e8\u5206\u6784\u6210<\/span><\/span><\/p>\n

username \u4f8b\u5982：root<\/span><\/span><\/p>\n

host \u00a0\u00a0\u00a0\u00a0\u00a0\u4f8b\u5982：localhost（\u672c\u673a）\u3001192.168.221.20\u3001192.168.221.%\u3001%<\/span><\/span><\/p>\n

# \u4fee\u6539\u7528\u6237\u540d<\/span><\/span><\/p>\n

rename user old_user to new_user;<\/span><\/span><\/p>\n

eg：rename user tom to tom2;<\/span><\/span><\/p>\n

# \u5220\u9664\u7528\u6237<\/span><\/span><\/p>\n

drop user \u7528\u6237\u540d; \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><\/span>eg：drop user tom2;<\/span><\/span><\/p>\n

# \u67e5\u770b\u7528\u6237\/\u67e5\u8be2mysql.user\u8868<\/span><\/span><\/p>\n

select user,host from mysql.user;<\/span><\/span><\/p>\n

\u00b7\u4fee\u6539\u5bc6\u7801<\/span><\/span><\/h3>\n

# mysql5.X\u7248\u672c\u4fee\u6539\u5bc6\u7801<\/span><\/span><\/p>\n

# \u8bbe\u7f6e\u7ba1\u7406\u5458\u5bc6\u7801(mysql8.0\u4e4b\u540e\u5220\u9664\u4e86\u8be5\u8bed\u6cd5)<\/span><\/span><\/p>\n

set password = password ( '12345678' );<\/span><\/span><\/p>\n

# \u4e3a\u6307\u5b9a\u7528\u6237\u8bbe\u7f6e\u5bc6\u7801<\/span><\/span><\/p>\n

set password for \u7528\u6237\u540d = password ( '\u5bc6\u7801' );<\/span><\/span><\/p>\n

eg：set password for 'tom'@'%' = password ( '12345678' );<\/span><\/span><\/p>\n

# mysql8.0\u4e4b\u540e\u7248\u672c\u4fee\u6539\u5bc6\u7801<\/span><\/span><\/p>\n

alter user '\u7528\u6237'@'\u5730\u5740' identified by '\u5bc6\u7801';<\/span><\/span><\/p>\n

eg：alter user 'tom'@'%' identified by '12345678';<\/span><\/span><\/p>\n

# \u5237\u65b0\u6743\u9650<\/span><\/span><\/p>\n

flush privileges;<\/span><\/span><\/p>\n

\u00b7\u7ed9\u7528\u6237\u8bbe\u7f6e\u6743\u9650<\/span><\/span><\/h3>\n

\u683c\u5f0f：grant \u6743\u9650\u5217\u8868 on \u5e93\u540d.\u8868\u540d to <\/span>\u2018<\/span>\u7528\u6237<\/span>\u2019<\/span>@<\/span>\u2019<\/span>\u5730\u5740<\/span>\u2019<\/span>;<\/span><\/span><\/p>\n

# \u8d4b\u4e88tom\u6240\u6709\u6743\u9650<\/span><\/span><\/p>\n

grant all privileges on *.* to "tom" @"%";<\/span><\/span><\/p>\n

# \u8d4b\u4e88tom\u63d2\u5165\u6570\u636e\u3001\u67e5\u8be2\u6570\u636e\u7684\u6743\u9650<\/span><\/span><\/p>\n

grant insert,delete,update,select on *.* to "tom" @"%";<\/span><\/span><\/p>\n

# \u67e5\u770b\u7528\u6237\u7684\u6743\u9650<\/span><\/span><\/p>\n

show grants;<\/span><\/span><\/p>\n

# \u67e5\u770b\u6307\u5b9a\u67d0\u7528\u6237\u7684\u6743\u9650<\/span><\/span><\/p>\n

show grants for \u7528\u6237\u540d;<\/span><\/span><\/p>\n

\u00b7\u5220\u9664\u6743\u9650<\/span><\/span><\/h3>\n

# \u64a4\u9500\u7528\u6237\u7684\u67d0\u4e2a\u6743\u9650<\/span><\/span><\/p>\n

revoke \u6743\u9650\u5217\u8868 on \u5e93\u540d.\u8868\u540d from \u7528\u6237\u540d;<\/span><\/span><\/p>\n

# \u64a4\u9500\u7528\u6237\u7684\u6240\u6709\u6743\u9650<\/span><\/span><\/p>\n

revoke all privileges,grant option on \u5e93\u540d.\u8868\u540d from \u7528\u6237\u540d; <\/span><\/span><\/p>\n

eg：revoke all privileges on *.* from <\/span><\/span>\u2018<\/span><\/span>tom<\/span><\/span>\u2019<\/span><\/span>@<\/span><\/span>\u2019<\/span><\/span>localhost<\/span><\/span>\u2019<\/span><\/span>;<\/span><\/span><\/p>\n

\n

\u00b7\u6700\u5c0f\u6743\u9650\u4e0e\u89d2\u8272\u5206\u5de5<\/span><\/span><\/h3>\n

1\u3001<\/span>\u53ea\u7ed9\u9700\u8981\u7684\u6743\u9650（\u6700\u5c0f\u6743\u9650\u539f\u5219）<\/span><\/span><\/p>\n

\u9519\u8bef\u505a\u6cd5：grant all on *.* to 'user'@'%'（\u7ed9\u7528\u6237\u6240\u6709\u6743\u9650）<\/span><\/span><\/p>\n

\u6b63\u786e\u505a\u6cd5：grant select, insert on app_db.users to 'web_app'@'%'（\u53ea\u5141\u8bb8\u67e5\u8be2\u548c\u63d2\u5165\u7528\u6237\u8868）<\/span><\/span><\/p>\n

\u6bd4\u55bb：\u5c31\u50cf\u5458\u5de5\u53ea\u80fd\u6253\u5f00\u81ea\u5df1\u529e\u516c\u533a\u57df\u7684\u95e8，\u4e0d\u80fd\u8fdb\u8d22\u52a1\u5ba4\u3002<\/span><\/span><\/p>\n

2\u3001<\/span>\u6309\u89d2\u8272\u5206\u914d\u6743\u9650（\u89d2\u8272\u5316\u7ba1\u7406）<\/span><\/span><\/p>\n

\u521b\u5efa\u89d2\u8272：create role 'developer', 'readonly'<\/span><\/span><\/p>\n

\u5206\u914d\u6743\u9650：grant select on app_db.* to 'readonly'<\/span><\/span><\/p>\n

\u5173\u8054\u7528\u6237：grant 'developer' to 'team_member'@'%'<\/span><\/span><\/p>\n

\u6bd4\u55bb：\u4e0d\u540c\u804c\u4f4d（\u5982\u5f00\u53d1\u3001\u6d4b\u8bd5\u3001\u8d22\u52a1）\u6709\u4e0d\u540c\u7684\u94a5\u5319\u4e32\u3002<\/span><\/span><\/p>\n

—\u6743\u9650\u5217\u8868\u5982\u4e0b<\/h3>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\n

\u6743\u9650\u540d\u79f0<\/span><\/span><\/span><\/p>\n<\/td>\n

\n

\u6743\u9650\u8bf4\u660e<\/span><\/span><\/span><\/p>\n<\/td>\n<\/tr>\n

\n

all [privileges]<\/span><\/span><\/p>\n<\/td>\n

\n

\u8bbe\u7f6e\u9664grant option（\u6388\u4e88）\u4e4b\u5916\u7684\u6240\u6709\u7b80\u5355\u6743\u9650<\/span><\/span><\/p>\n<\/td>\n<\/tr>\n

\n

alter<\/span><\/span><\/span><\/p>\n<\/td>\n

\n

\u5141\u8bb8\u4f7f\u7528 alter table<\/span><\/span><\/span><\/p>\n<\/td>\n<\/tr>\n

\n

alter routine<\/span><\/span><\/span><\/p>\n<\/td>\n

\n

\u66f4\u6539\u6216\u53d6\u6d88\u5df2\u5b58\u50a8\u7684\u5b50\u7a0b\u5e8f<\/span><\/span><\/span><\/p>\n<\/td>\n<\/tr>\n

\n

create<\/span><\/span><\/span><\/p>\n<\/td>\n

\n

\u5141\u8bb8\u4f7f\u7528 create table<\/span><\/span><\/span><\/p>\n<\/td>\n<\/tr>\n

\n

create routine<\/span><\/span><\/span><\/p>\n<\/td>\n

\n

\u521b\u5efa\u5df2\u5b58\u50a8\u7684\u5b50\u7a0b\u5e8f<\/span><\/span><\/span><\/p>\n<\/td>\n<\/tr>\n

\n

create temporary tables<\/span><\/span><\/span><\/p>\n<\/td>\n

\n

\u5141\u8bb8\u4f7f\u7528 create temporary table<\/span><\/span><\/span><\/p>\n<\/td>\n<\/tr>\n

\n

create user<\/span><\/span><\/span><\/p>\n<\/td>\n

\n

\u5141\u8bb8\u4f7f\u7528 create user\u3001drop user\u3001rename user \u548c revoke all privileges<\/span><\/span><\/span><\/p>\n<\/td>\n<\/tr>\n

\n

create view<\/span><\/span><\/span><\/p>\n<\/td>\n

\n

\u5141\u8bb8\u4f7f\u7528 create view<\/span><\/span><\/span><\/p>\n<\/td>\n<\/tr>\n

\n

\u00a0delete<\/span><\/span><\/p>\n<\/td>\n

\n

\u5141\u8bb8\u4f7f\u7528 delete，\u5220\u9664\u8868\u4e2d\u5185\u5bb9\u7684\u6743\u9650<\/span><\/span>\u00a0<\/p>\n<\/td>\n<\/tr>\n

\n

drop<\/span><\/span><\/span><\/p>\n<\/td>\n

\n

\u5141\u8bb8\u4f7f\u7528 drop table<\/span><\/span><\/span><\/p>\n<\/td>\n<\/tr>\n

\n

execute<\/span><\/span><\/span><\/p>\n<\/td>\n

\n

\u5141\u8bb8\u7528\u6237\u8fd0\u884c\u5df2\u5b58\u50a8\u7684\u5b50\u7a0b\u5e8f<\/span><\/span><\/span><\/p>\n<\/td>\n<\/tr>\n

\n

file<\/span><\/span><\/span><\/p>\n<\/td>\n

\n

\u5141\u8bb8\u4f7f\u7528 select…into outfile \u548c load data infile<\/span><\/span><\/span><\/p>\n<\/td>\n<\/tr>\n

\n

index<\/span><\/span><\/span><\/p>\n<\/td>\n

\n

\u5141\u8bb8\u4f7f\u7528 create index \u548c drop index<\/span><\/span><\/span><\/p>\n<\/td>\n<\/tr>\n

\n

\u00a0insert<\/span><\/span><\/p>\n<\/td>\n

\n

\u5141\u8bb8\u4f7f\u7528 insert，\u5728\u8868\u4e2d\u6dfb\u52a0\u5185\u5bb9\u7684\u6743\u9650<\/span><\/span>\u00a0<\/p>\n<\/td>\n<\/tr>\n

\n

lock tables<\/span><\/span><\/span><\/p>\n<\/td>\n

\n

\u5141\u8bb8\u5bf9\u62e5\u6709 select \u6743\u9650\u7684\u8868\u4f7f\u7528 lock tables<\/span><\/span><\/span><\/p>\n<\/td>\n<\/tr>\n

\n

process<\/span><\/span><\/span><\/p>\n<\/td>\n

\n

\u5141\u8bb8\u4f7f\u7528 show full processlist<\/span><\/span><\/span><\/p>\n<\/td>\n<\/tr>\n

\n

references<\/span><\/span><\/span><\/p>\n<\/td>\n

\n

\u672a\u88ab\u5b9e\u65bd<\/span><\/span><\/span><\/p>\n<\/td>\n<\/tr>\n

\n

reload<\/span><\/span><\/span><\/p>\n<\/td>\n

\n

\u5141\u8bb8\u4f7f\u7528 flush<\/span><\/span><\/span><\/p>\n<\/td>\n<\/tr>\n

\n

replication client<\/span><\/span><\/span><\/p>\n<\/td>\n

\n

\u5141\u8bb8\u7528\u6237\u8be2\u95ee\u4ece\u5c5e\u670d\u52a1\u5668\u6216\u4e3b\u670d\u52a1\u5668\u7684\u5730\u5740<\/span><\/span><\/span><\/p>\n<\/td>\n<\/tr>\n

\n

replication slave<\/span><\/span><\/span><\/p>\n<\/td>\n

\n

\u7528\u4e8e\u590d\u5236\u578b\u4ece\u5c5e\u670d\u52a1\u5668（\u4ece\u4e3b\u670d\u52a1\u5668\u4e2d\u8bfb\u53d6\u4e8c\u8fdb\u5236\u65e5\u5fd7\u4e8b\u4ef6）<\/span><\/span><\/span><\/p>\n<\/td>\n<\/tr>\n

\n

select<\/span><\/span><\/p>\n<\/td>\n

<\/td>\n\n

\u5141\u8bb8\u4f7f\u7528 select，\u67e5\u8be2\u8868\u5185\u5bb9\u7684\u6743\u9650<\/span><\/span><\/p>\n<\/td>\n

<\/td>\n<\/tr>\n
\n

show databases<\/span><\/span><\/span><\/p>\n<\/td>\n

\n

\u663e\u793a\u6240\u6709\u6570\u636e\u5e93<\/span><\/span><\/span><\/p>\n<\/td>\n<\/tr>\n

\n

show view<\/span><\/span><\/span><\/p>\n<\/td>\n

\n

\u5141\u8bb8\u4f7f\u7528 show create view<\/span><\/span><\/span><\/p>\n<\/td>\n<\/tr>\n

\n

shutdown<\/span><\/span><\/span><\/p>\n<\/td>\n

\n

\u5141\u8bb8\u4f7f\u7528 mysqladmin shutdown<\/span><\/span><\/span><\/p>\n<\/td>\n<\/tr>\n

\n

super<\/span><\/span><\/span><\/p>\n<\/td>\n

\n

\u5141\u8bb8\u4f7f\u7528 change master\u3001kill\u3001purge master logs \u548c set global \u8bed\u53e5，mysqladmin debug \u547d\u4ee4；\u5141\u8bb8\u8fde\u63a5（\u4e00\u6b21），\u5373\u4f7f\u5df2\u8fbe\u5230 max_connections<\/span><\/span><\/span><\/p>\n<\/td>\n<\/tr>\n

\n

update<\/span><\/span><\/p>\n<\/td>\n

<\/td>\n\n

\u5141\u8bb8\u4f7f\u7528 update，\u4fee\u6539\u8868\u5185\u5bb9\u7684\u6743\u9650<\/span><\/span><\/p>\n<\/td>\n

<\/td>\n<\/tr>\n
\n

usage<\/span><\/span><\/span><\/p>\n<\/td>\n

\n

\u201c\u65e0\u6743\u9650\u201d \u7684\u540c\u4e49\u8bcd<\/span><\/span><\/span><\/p>\n<\/td>\n<\/tr>\n

\n

grant option<\/span><\/span><\/span><\/p>\n<\/td>\n

\n

\u5141\u8bb8\u6388\u4e88\u6743\u9650<\/span><\/span><\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u516d\u3001MySQL\u5907\u4efd<\/span><\/span><\/h2>\n

\u00b7\u4e3a\u4e86\u9632\u6b62\u6570\u636e\u4e22\u5931\u3001\u65b9\u4fbf\u6570\u636e\u8fc1\u79fb，\u5efa\u8bae\u5b9a\u671f\u5907\u4efd\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\u3002<\/span><\/span><\/p>\n

\u00b7\u65b9\u5f0f：<\/span><\/span><\/p>\n

\u00b7\u903b\u8f91\u5907\u4efd：\u5c06\u6570\u636e\u5e93\u4e2d\u5e93\u548c\u8868\u8f6c\u6362\u4e3aSQL\u8bed\u53e5，\u751f\u6210.sql\u6587\u4ef6\u3002\u8fd8\u539f\u6570\u636e\u65f6\u53ea\u9700\u8981\u8fd0\u884c\u8be5SQL\u8bed\u53e5\u3002\u9002\u5408\u4e2d\u5c0f\u578b\u89c4\u6a21\u7684\u6570\u636e，30GB\u4ee5\u5185\u7684\u6570\u636e\u3002\u6570\u636e\u91cf\u8fc7\u5927\u65f6，\u8f6c\u6362\u6548\u7387\u6162\u3002<\/span><\/span><\/p>\n

\u00b7\u7269\u7406\u5907\u4efd：\u5c06\u6570\u636e\u5e93\u7684data\u76ee\u5f55，\u76f4\u63a5\u590d\u5236\u5907\u4efd\u3002<\/span><\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00b7\u51b7\u5907\u4efd：\u5173\u95edMySQL-Server\u540e\u8fdb\u884c\u7684\u5907\u4efd\u3002<\/span><\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00b7\u70ed\u5907\u4efd：\u4f7f\u7528\u4e13\u4e1a\u7684\u6570\u636e\u5907\u4efd\u6839\u636e，\u5728\u670d\u52a1\u8fd0\u884c\u4e2d\u5907\u4efd\u3002<\/span><\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00b7\u5168\u91cf\u5907\u4efd：\u6bcf\u6b21\u5907\u4efd\u90fd\u5907\u4efd\u6240\u6709\u7684\u6570\u636e\u3002<\/span><\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00b7\u589e\u91cf\u5907\u4efd（\u5dee\u5f02\u5907\u4efd）：\u53ea\u5907\u4efd\u65b0\u589e\u7684\u6570\u636e\u6216\u4fee\u6539\u7684\u6570\u636e\u3002<\/span><\/span><\/p>\n

\u4f7f\u7528MySQLdump\u5de5\u5177\u8fdb\u884c\u5907\u4efd（\u903b\u8f91\u5907\u4efd）<\/span><\/span><\/h3>\n

mysqldump \u662fMySQL\u81ea\u5e26\u7684\u5907\u4efd\u547d\u4ee4<\/span><\/span><\/p>\n

\u7528\u6765\u5907\u4efd\u6570\u636e\u5e93\u6216\u8005\u8fdb\u884c\u6570\u636e\u5e93\u7684\u8fc1\u79fb，\u5305\u542b\u521b\u5efa\u8868\u3001\u63d2\u5165\u8868\u3001SQL \u8bed\u53e5\u7b49\u3002<\/span><\/span><\/p>\n

\u8bed\u6cd5：<\/span><\/span><\/p>\n

mysqldump [options] db_name<\/span><\/span><\/p>\n

\u5e38\u89c4\u4f7f\u7528：(\u4ee5\u6570\u636e\u5e93test\u4e3a\u4f8b)<\/span><\/span><\/p>\n

# \u5907\u4efdtest\u6570\u636e\u5e93<\/span><\/span><\/p>\n

mysqldump -uroot -proot123 test > test.sql<\/span><\/span>（\u4e0d\u52a0\u76ee\u5f55\u5c31\u662f\u5f53\u524d\u76ee\u5f55）<\/span><\/span><\/p>\n

# \u5728\u5176\u4ed6\u4e3b\u673a\u8fdc\u7a0b\u5907\u4efd<\/span><\/span><\/p>\n

mysqldump -uroot -proot123 -h192.168.8.20 test > test.sql<\/span><\/span><\/p>\n

# \u8fd8\u539f<\/span><\/span><\/p>\n

mysql -uroot -proot123 test<test.sql<\/span><\/span><\/p>\n

# \u6062\u590d\u6240\u6709\u6570\u636e<\/span><\/span><\/p>\n

mysql -uroot -p<\/span><\/span>root123<\/span><\/span>\u00a0< all.sql<\/span><\/span><\/p>\n

# \u6216\u8005\u767b\u5f55\u6570\u636e\u5e93\u540e，\u5728\u5e93\u4e2d\u6267\u884c\u8fd8\u539f<\/span><\/span><\/p>\n

use test;<\/span><\/span><\/p>\n

source \/root\/test.sql<\/span><\/span><\/p>\n

\n

\u7269\u7406\u5907\u4efd<\/span><\/span><\/h3>\n

\u51b7\u5907\u4efd：<\/span><\/span><\/h4>\n

# \u5907\u4efd<\/span><\/span><\/p>\n

systemctl stop mysql<\/span><\/span><\/p>\n

mkdir -p \/bak\/20250811\/<\/span><\/span><\/p>\n

cp -r \/usr\/local\/mysql\/data \/bak\/20250811\/data<\/span><\/span><\/p>\n

systemctl start mysql<\/span><\/span><\/p>\n

# \u8fd8\u539f<\/span><\/span><\/p>\n

systemctl stop mysql<\/span><\/span><\/p>\n

rm -rf \/usr\/local\/mysql\/data<\/span><\/span><\/p>\n

cp -r \/bak\/20250811\/data \/usr\/local\/mysql\/<\/span><\/span><\/p>\n

chown mysql.mysql -R \/usr\/local\/mysql\/data<\/span><\/span><\/p>\n

systemctl start mysql<\/span><\/span><\/p>\n

\u70ed\u5907\u4efd<\/span><\/span><\/h4>\n

\u00b7Xtrabackup：percona\u514d\u8d39\u7684\u6570\u636e\u70ed\u5907\u5de5\u5177，\u7528\u6765\u66ff\u4ee3Hotbackup\u3002<\/span><\/span><\/p>\n

\u00b7Hotbackup：percona\u6536\u8d39\u7248\u6570\u636e\u70ed\u5907\u5de5\u5177\u3002<\/span><\/span><\/p>\n

\u4e00\u3001CentOS7 \u5b89\u88c5Xtrabackup 8.0\u548cUbuntu22.04 \u5b89\u88c5Xtrabackup 8.0<\/span><\/span><\/h5>\n

Centos7：<\/span><\/span><\/p>\n

# \u5b89\u88c5Percona yum\u5b58\u50a8\u5e93<\/span><\/span><\/p>\n

yum install https:\/\/repo.percona.com\/yum\/percona-release-latest.noarch.rpm<\/span><\/span><\/p>\n

# \u542f\u7528Percona Server 8.0\u5b58\u50a8\u5e93<\/span><\/span><\/p>\n

percona-release enable-only tools release<\/span><\/span><\/p>\n

percona-release setup ps80<\/span><\/span><\/p>\n

# \u5b89\u88c5\u4f9d\u8d56\u73af\u5883<\/span><\/span><\/p>\n

yum -y install \u00a0libev perl-DBD-mysql perl-Digest-MD5 epel-release<\/span><\/span><\/p>\n

# \u5b89\u88c5<\/span><\/span><\/p>\n

yum -y install percona-xtrabackup-80-8.0.12<\/span><\/span><\/p>\n

# \u5b89\u88c5\u6210\u529f\u540e\u6d4b\u8bd5\u7248\u672c<\/span><\/span><\/p>\n

xtrabackup –version<\/span><\/span><\/p>\n

#\u5982\u679c\u6210\u529f\u5b89\u88c5，\u5219\u4f1a\u663e\u793aXtrabackup\u7684\u7248\u672c\u4fe1\u606f\u3002<\/span><\/span><\/p>\n

Ubuntu：<\/span><\/span><\/p>\n

# \u6dfb\u52a0percona\u7684\u8f6f\u4ef6\u4ed3\u5e93<\/span><\/span><\/p>\n

sudo add-apt-repository 'deb http:\/\/repo.percona.com\/apt focal main'<\/span><\/span><\/p>\n

# \u56de\u8f66<\/span><\/span><\/p>\n

# \u6dfb\u52a0percona\u7684\u516c\u94a5<\/span><\/span><\/p>\n

wget https:\/\/repo.percona.com\/apt\/percona-release_latest.$(lsb_release -sc)_all.deb<\/span><\/span><\/p>\n

sudo dpkg -i percona-release_latest.$(lsb_release -sc)_all.deb<\/span><\/span><\/p>\n

# \u5b89\u88c5xtrabackup-80<\/span><\/span><\/p>\n

sudo apt update<\/span><\/span><\/p>\n

sudo apt install percona-xtrabackup-80<\/span><\/span><\/p>\n

# \u82e5\u5b89\u88c5\u8fc7\u7a0b\u4e2d\u51fa\u73b0\u5982\u4e0b\u9519\u8bef\u4fe1\u606f<\/span><\/span><\/p>\n

The following packages have unmet dependencies:<\/span><\/span><\/p>\n

percona-xtrabackup-80 : Depends: libssl1.1 (>= 1.1.1) but it is not installable<\/span><\/span><\/p>\n

# \u5219\u4e0b\u8f7dlibssl1.1\u5b89\u88c5\u4e00\u4e0b<\/span><\/span><\/p>\n

wget http:\/\/archive.ubuntu.com\/ubuntu\/pool\/main\/o\/openssl\/libssl1.1_1.1.1f-1ubuntu2_amd64.deb<\/span><\/span><\/p>\n

sudo dpkg -i libssl1.1_1.1.1f-1ubuntu2_amd64.deb<\/span><\/span><\/p>\n

# \u4e4b\u540e\u7ee7\u7eed\u5b89\u88c5percona-xtrabackup-80<\/span><\/span><\/p>\n

sudo apt install -y percona-xtrabackup-80<\/span><\/span><\/p>\n

# \u82e5\u5b89\u88c5\u8fc7\u7a0b\u4e2d\u51fa\u73b0\u5982\u4e0b\u9519\u8bef\u4fe1\u606f<\/span><\/span><\/p>\n

The following packages have unmet dependencies:<\/span><\/span><\/p>\n

\u00a0percona-xtrabackup-24 : Depends: libdbd-mysql-perl but it is not going to be installed<\/span><\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Depends: libcurl4-openssl-dev but it is not going to be installed<\/span><\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Depends: libev4 (>= 1:4.04) but it is not going to be installed<\/span><\/span><\/p>\n

\u00a0percona-xtrabackup-80 : Depends: libdbd-mysql-perl but it is not going to be installed<\/span><\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Depends: libcurl4-openssl-dev but it is not going to be installed<\/span><\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Depends: libev4 (>= 1:4.04) but it is not going to be installed<\/span><\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Depends: libssl1.1 (>= 1.1.1) but it is not installable<\/span><\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Conflicts: percona-xtrabackup-24 but 2.4.28-1.jammy is to be installed<\/span><\/span><\/p>\n

E: Unmet dependencies. Try 'apt –fix-broken install' with no packages (or specify a solution).<\/span><\/span><\/p>\n

# \u5219\u6839\u636e\u63d0\u793a\u6267\u884c\u76f8\u5e94\u7684\u547d\u4ee4\u4fee\u590d<\/span><\/span><\/p>\n

sudo apt –fix-broken install<\/span><\/span><\/p>\n

# \u67e5\u770b\u5b89\u88c5\u7248\u672c<\/span><\/span><\/p>\n

sudo xtrabackup –version<\/span><\/span><\/p>\n

\u4e8c\u3001\u5168\u91cf\u5907\u4efd<\/span><\/span><\/h5>\n

# \u5728\u5907\u4efd\u670d\u52a1\u5668\u4e0a\u521b\u5efa\u4e00\u4e2a\u76ee\u5f55，\u7528\u4e8e\u5b58\u50a8\u5907\u4efd\u6587\u4ef6\u3002<\/span><\/span><\/p>\n

mkdir \/bak\/<\/span><\/span><\/p>\n

# \u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\u6765\u6267\u884c\u5b8c\u6574\u5907\u4efd：（\u5168\u91cf\u5907\u4efd，\u5982\u679c\u8fdc\u7a0b\u5907\u4efd\u9700\u8981\u6dfb\u52a0\u53c2\u6570–host=IP，\u5220\u9664–socket\u53c2\u6570）<\/span><\/span><\/p>\n

xtrabackup \u00a0–defaults-file=\/etc\/my.cnf \u00a0\\\\<\/span><\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0–user=root \u00a0\\\\<\/span><\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0–password=root123 \\\\<\/span><\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0–port=3306 \u00a0\\\\<\/span><\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0–socket=\/tmp\/mysql.sock \\\\<\/span><\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0–datadir=\/usr\/local\/mysql\/data \\\\<\/span><\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0–backup \\\\<\/span><\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0–target-dir=\/bak\/full<\/span><\/span><\/p>\n

# \u8fd9\u5c06\u5907\u4efdMySQL\u6570\u636e\u76ee\u5f55（\/usr\/local\/mysql\/data）\u5230\u6307\u5b9a\u7684\u76ee\u5f55（\/bak\/full ）\u4e2d\u3002<\/span><\/span><\/p>\n

\u4e09\u3001\u5168\u91cf\u8fd8\u539f<\/span><\/span><\/h5>\n

# \u9996\u5148\u505c\u6b62MySQL\u670d\u52a1，\u5e76\u786e\u4fddMySQL\u6570\u636e\u76ee\u5f55\u4e3a\u7a7a\u3002<\/span><\/span><\/p>\n

systemctl stop mysqld<\/span><\/span>\u00a0\u6216\u8005 \/etc\/init.d\/mysqld stop<\/span><\/span><\/p>\n

rm -rf \/usr\/local\/mysql\/data\/*<\/span><\/span><\/p>\n

# \u8fdb\u884c\u6062\u590d：<\/span><\/span><\/p>\n

## a.\u5408\u5e76\u6570\u636e\u6587\u4ef6\u548c\u65e5\u5fd7\u6587\u4ef6，\u786e\u4fdd\u6570\u636e\u5b8c\u6574\u6027\u3002<\/span><\/span><\/p>\n

xtrabackup –prepare \\\\<\/span><\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0–datadir=\/usr\/local\/mysql\/data \\\\<\/span><\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0–target-dir=\/bak\/full<\/span><\/span><\/p>\n

## b.\u5168\u91cf\u5907\u4efd\u7684\u6062\u590d<\/span><\/span><\/p>\n

xtrabackup \u00a0–copy-back \\\\<\/span><\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0–datadir=\/usr\/local\/mysql\/data \\\\<\/span><\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0–target-dir=\/bak\/full<\/span><\/span><\/p>\n

## c.\u4fee\u590d\u6240\u6709\u8005\u548c\u6743\u9650<\/span><\/span><\/p>\n

chown -R mysql:mysql \/usr\/local\/mysql\/data<\/span><\/span><\/p>\n

## d.\u542f\u52a8MySQL<\/span><\/span><\/p>\n

systemctl start mysqld<\/span><\/span>\u6216\u8005：\/etc\/init.d\/mysqld start<\/span><\/span><\/p>\n

## e.\u767b\u5f55\u6d4b\u8bd5<\/span><\/span><\/p>\n

mysql -uroot -proot123<\/span><\/span><\/p>\n

show databases;<\/span><\/span><\/p>\n

\u56db\u3001\u589e\u91cf\u5907\u4efd<\/span><\/span><\/h5>\n

# \u589e\u91cf\u5907\u4efd<\/span><\/span><\/p>\n

mkdir \/bak\/{inc1,inc2}<\/span><\/span><\/p>\n

# \u7b2c\u4e00\u6b21\u589e\u91cf\u5907\u4efd<\/span><\/span><\/p>\n

xtrabackup \u00a0–defaults-file=\/etc\/my.cnf \u00a0\\\\<\/span><\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0–user=root \u00a0\\\\<\/span><\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0–password=root123 \\\\<\/span><\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0–port=3306 \u00a0\\\\<\/span><\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0–socket=\/tmp\/mysql.sock \\\\<\/span><\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0–datadir=\/usr\/local\/mysql\/data \\\\<\/span><\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0–backup \\\\<\/span><\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0–target-dir=\/bak\/inc1 \\\\<\/span><\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0–incremental-basedir=\/bak\/full<\/span><\/span><\/p>\n

# \u7b2c\u4e8c\u6b21\u589e\u91cf\u5907\u4efd<\/span><\/span><\/p>\n

xtrabackup \u00a0–defaults-file=\/etc\/my.cnf \u00a0\\\\<\/span><\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0–user=root \\\\<\/span><\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0–password=root123 \\\\<\/span><\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0–port=3306 \u00a0\\\\<\/span><\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0–socket=\/tmp\/mysql.sock \\\\<\/span><\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0–datadir=\/usr\/local\/mysql\/data \\\\<\/span><\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0–backup \\\\<\/span><\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0–target-dir=\/bak\/inc2 \\\\<\/span><\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0–incremental-basedir=\/bak\/inc1<\/span><\/span><\/p>\n

\u589e\u91cf\u8fd8\u539f<\/span><\/span><\/p>\n

# \u9996\u5148\u505c\u6b62MySQL\u670d\u52a1，\u5e76\u786e\u4fddMySQL\u6570\u636e\u76ee\u5f55\u4e3a\u7a7a\u3002<\/span><\/span><\/p>\n

systemctl stop mysqld<\/span><\/span>\u00a0\u6216\u8005 \/etc\/init.d\/mysqld stop<\/span><\/span><\/p>\n

rm -rf \/usr\/local\/mysql\/data\/*<\/span><\/span><\/p>\n

# \u8fdb\u884c\u6062\u590d：(\u589e\u91cf\u5907\u4efd\u7684\u6062\u590d,\u9700\u8981\u6062\u590d\u589e\u91cf\u5907\u4efd\u5230\u5b8c\u5168\u5907\u4efd)<\/span><\/span><\/p>\n

## a.\u51c6\u5907\u5168\u5907(\u9884\u5904\u7406，\u6b64\u9009\u9879–apply–log-only \u963b\u6b62\u56de\u6eda\u672a\u5b8c\u6210\u7684\u4e8b\u52a1)<\/span><\/span><\/p>\n

xtrabackup –prepare –apply-log-only –target-dir=\/bak\/full<\/span><\/span><\/p>\n

## b.\u5c06\u7b2c\u4e00\u6b21\u589e\u5907\u6dfb\u52a0\u5230\u5168\u5907\u4e2d<\/span><\/span><\/p>\n

xtrabackup –prepare –apply-log-only –target-dir=\/bak\/full –incremental-dir=\/bak\/inc1<\/span><\/span><\/p>\n

## c.\u5c06\u7b2c\u4e8c\u6b21\u589e\u5907\u6dfb\u52a0\u5230\u5168\u5907\u4e2d<\/span><\/span><\/p>\n

xtrabackup –prepare –apply-log-only –target-dir=\/bak\/full –incremental-dir=\/bak\/inc2<\/span><\/span><\/p>\n

## d.\u5c06\u5408\u5e76\u540e\u7684\u5b8c\u5907\u518d\u4e00\u6b21\u51c6\u5907\u590d\u5236\u5230\u6570\u636e\u5e93\u76ee\u5f55，\u6ce8\u610f\u6570\u636e\u5e93\u76ee\u5f55\u5fc5\u987b\u4e3a\u7a7a，MySQL\u670d\u52a1\u4e0d\u80fd\u542f\u52a8<\/span><\/span><\/p>\n

(1)\u5408\u5e76\u6570\u636e\u6587\u4ef6\u548c\u65e5\u5fd7\u6587\u4ef6，\u786e\u4fdd\u6570\u636e\u5b8c\u6574\u6027\u3002<\/span><\/span><\/p>\n

xtrabackup –prepare \\\\<\/span><\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0–datadir=\/usr\/local\/mysql\/data \\\\<\/span><\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0–target-dir=\/bak\/full<\/span><\/span><\/p>\n

(2)\u5168\u5907\u7684\u6062\u590d<\/span><\/span><\/p>\n

xtrabackup \u00a0–copy-back \\\\<\/span><\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0–datadir=\/usr\/local\/mysql\/data \\\\<\/span><\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0–target-dir=\/bak\/full<\/span><\/span><\/p>\n

# e.\u4fee\u590d\u6240\u6709\u8005\u548c\u6743\u9650<\/span><\/span><\/p>\n

chown -R mysql:mysql \/usr\/local\/mysql\/data<\/span><\/span><\/p>\n

# f.\u542f\u52a8MySQL<\/span><\/span><\/p>\n

systemctl start mysqld<\/span><\/span>\u6216\u8005 \/etc\/init.d\/mysqld start<\/span><\/span><\/p>\n

# g.\u767b\u5f55\u6d4b\u8bd5<\/span><\/span><\/p>\n

mysql -uroot -proot123<\/span><\/span><\/p>\n

show databases;<\/span><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb671\u6b21\uff0c\u70b9\u8d5e25\u6b21\uff0c\u6536\u85cf3\u6b21\u3002MySQL\u6570\u636e\u5e93\u5b89\u5168\u4e0e\u5907\u4efd\u7ba1\u7406\u6307\u5357 \u672c\u6587\u8be6\u7ec6\u4ecb\u7ecd\u4e86MySQL\u6570\u636e\u5e93\u7684\u6743\u9650\u7ba1\u7406\u548c\u5907\u4efd\u6062\u590d\u4e24\u5927\u90e8\u5206\u5185\u5bb9\u3002\u5728\u6743\u9650\u7ba1\u7406\u65b9\u9762\uff0c\u8bf4\u660e\u4e86\u5982\u4f55\u8bbe\u7f6e\u5bc6\u7801\u5b89\u5168\u7ea7\u522b\u3001\u521b\u5efa\u548c\u7ba1\u7406\u7528\u6237\u3001\u5206\u914d\u6743\u9650\uff08\u9075\u5faa\u6700\u5c0f\u6743\u9650\u539f\u5219\u548c\u89d2\u8272\u5206\u5de5\u7406\u5ff5\uff09\uff0c\u5e76\u63d0\u4f9b\u4e86\u5b8c\u6574\u7684\u6743\u9650\u5217\u8868\u8bf4\u660e\u3002\u5728\u5907\u4efd\u6062\u590d\u65b9\u9762\uff0c\u5bf9\u6bd4\u4e86\u903b\u8f91\u5907\u4efd\u548c\u7269\u7406\u5907\u4efd\u7684\u7279\u70b9\uff0c\u91cd\u70b9\u8bb2\u89e3\u4e86\u4f7f\u7528MySQLdump\u5de5\u5177\u8fdb\u884c\u903b\u8f91\u5907\u4efd\u4ee5\u53caXtrabackup\u5de5\u5177\u8fdb\u884c\u70ed\u5907\u4efd\u7684\u5177\u4f53\u64cd\u4f5c\u6b65\u9aa4\uff0c\u5305\u62ec\u5168\u91cf\u5907\u4efd\u3001\u589e\u91cf\u5907\u4efd\u53ca\u5176\u5bf9\u5e94\u7684\u6062\u590d\u65b9\u6cd5\u3002\u6587\u7ae0\u8fd8\u63d0\u4f9b\u4e86\u5728CentOS\u548cUbuntu\u7cfb\u7edf\u4e0a\u5b89\u88c5Xtrabackup\u7684\u8be6\u7ec6\u6307\u5bfc\u3002\u6574\u4e2a\u6587<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[114,481,768,5294,100,5293],"topic":[],"class_list":{"0":"post-52671","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"hentry","6":"category-server","7":"tag-mysql","9":"tag-sql","10":"tag-5294","11":"tag-100","12":"tag-5293"},"yoast_head":"\nMySQL\u6743\u9650\u7ba1\u7406\u548cMySQL\u5907\u4efd - 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