main^2
黄海 11 months ago
parent ba2b306e40
commit c6af70bb79

@ -185,7 +185,6 @@ public class YltController extends Controller {
renderJson(CommonUtil.getRet(false, "发现了一个未知的闸机厂商,请联系开发人员!"));
}
/**
* id
* state: 0 1 2 3 4 5 6 7

@ -30,6 +30,12 @@ yum -y install qpress
#### 冷知识:为什么不使用$MysqlDump$备份数据库,而是采用了$XtraBackup$进行备份数据库?
**答**:因为逻辑备份时,会导致锁表,数据库性能下降,如果此时有大量用户使用,就带来的非常不好的体验,这时,$XtraBackup$的无感备份机制就有了用武之地。
#### 上传备份文件到主机
```
@ -116,9 +122,7 @@ innodb_log_buffer_size = 16M
innodb_log_file_size = 170M
innodb_lock_wait_timeout = 60
#sql_mode=ONLY_FULL_GROUP_BY,STRICT_TRANS_TABLES,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION
sql-mode=STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION
sql_mode=ONLY_FULL_GROUP_BY,STRICT_TRANS_TABLES,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION
[mysql]
socket=/tmp/mysql.sock
@ -184,13 +188,23 @@ rm -rf /var/mysql_bkdata/mysql/proxies_priv.TRG
CREATE USER 'ycharge'@'localhost' IDENTIFIED BY 'ycharge';
GRANT ALL PRIVILEGES ON *.* TO 'ycharge'@'%'IDENTIFIED BY 'ycharge' WITH GRANT OPTION;
flush privileges;
# 切换三张表的引擎为MyISAM,防止出现 1105 ER_UNKNOWN_ERROR
use mysql;
ALTER TABLE `mysql`.`proc` ENGINE = MyISAM;
ALTER TABLE `mysql`.`event` ENGINE = MyISAM;
ALTER TABLE `mysql`.`func` ENGINE = MyISAM;
```
#### 移动到SSD硬盘上
#### 移动到$SSD$硬盘上
```Shell
df -h
```
```
[root@RockyLinux local]# df -h
Filesystem Size Used Avail Use% Mounted on
devtmpfs 4.0M 0 4.0M 0% /dev

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