起因调查: 收到大量邮件报警想必事出有因,就问同事到底发生了什么?同事登录从库查看,发现出现如下报错提示,表示与主库同步失败,一直卡在哪里,看他弄了两个多小时,问题越来越多,解决一个恢复平静了一两分钟又不行了....于是报警的邮件又是一封又一份...于是向我求助.登录从库后发现: 其中一台从库报错内容为: mysql> show slave status\G; Slave_IO_Running: Yes Slave_SQL_Running: No Last_Errno: Last_Error:…

主从报错1205 Slave SQL thread retried transaction 10 time(s) in vain, giving up. Consider raising the value of the slave_transaction_retries variable Last_Errno: 1205Last_Error: Slave SQL thread retried transaction 10 time(s) in vain, giving up. Consider…

mysql 从库上手动删除partiton后,主库未做修改.后期主库上删除partiton后,出现问题. 故障现场 Last_Errno: 1507 Last_Error: Error 'Error in list of partitions to DROP' on query. Default database: ''. Query: 'ALTER TABLE DROP PARTITION part_20170209' 解决办法: 根据从库报错到相应位置查看要删除的分区,发现果然没有那个分区.…

Python virtualenv安装库报错SSL: CERTIFICATE_VERIFY_FAILED 问题描述 使用pip按照virtualenv报错,如下: pip install virtualenv Collecting virtualenv /opt/python27/lib/python2./site-packages/pip/_vendor/requests/packages/urllib3/util/ssl_.py:: SNIMissingWarning: An HTTPS r…

CentOS命令登录MySQL时,报错ERROR 1045 (28000): Access denied for user root@localhost (using password: NO)错误解决方法 1.停用mysql服务:# /etc/rc.d/init.d/mysqld stop 2.输入命令:# mysqld_safe --user=mysql --skip-grant-tables --skip-networking & 3.登入数据库:# mysql -u root mysql…

mysql执行update报错 update library set status=true where 1=1 Error Code: 1175. You are using safe update mode and you tried to update a table without a WHERE that uses a KEY column To disable safe mode, toggle the option in Preferences -> SQL Queries and…

Mysql update in报错 解决方案: [Err] 1093 - You can't specify target table 'company_info' for update in FROM clause 意思是不能在同一语句中更新select出的同一张表元组的属性值 解决方法:将select出的结果通过中间表再select一遍即可. 错误sql: update company_info set email = 'ttt@163.com' ) 修改后可执行的sql: update c…

    备库搭建后,进入备库报错psql: FATAL:  the database system is starting up  原因:备库配置文件没有hot_standby = on   master -bash-4.1$ ps aux |grep post postgres  89707  0.0  0.0 43196188 2872 ?       Ss   00:15   0:27 postgres: wal sender process rep 10.40.55.69(26717)…

mysql执行update报错 Err] 1055 - 'information_schema.PROFILING.SEQ' isn't in GROUP BY 今天开发的同事发来如下错误信息,最最简单的一个update操作,竟然报了[Err] 1055 - 'information_schema.PROFILING.SEQ' isn't in GROUP BY.具体sql语句为: [SQL]UPDATE draw_record SET open_price = '6945.98', buy_p…

远程连接mysql root账号报错:2003-can't connect to MYSQL serve 1.远程连接Linux系统,登录数据库:mysql -uroot -p(密码) 2.修改root账号的设置: GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY '123456' WITH GRANT OPTION; 其中‘root’为mysql用户名,‘123456’为root账户密码,修改其他用户修改对应的参数即可. 3.执行…