1.出现问题: openstack运行过程中出现如下问题: OperationalError: (pymysql.err.OperationalError) (1040, u'Too many connections') DBConnectionError: (pymysql.err.OperationalError) (2003, "Can't connect to MySQL server on 'controller' ([Errno 111] ECONNREFUSED)") […
mysql oom之后,重启时发生130517 16:00:10 InnoDB: Error: page 447 log sequence number 292344272InnoDB: is in the future! Current system log sequence number 1595916.InnoDB: Your database may be corrupt or you may have copied the InnoDBInnoDB: tablespace but no…
代码: sql = """INSERT INTO video_info(video_id, title) VALUES("%s","%s")""" % (video_info["id"],video_info["title"]) 问题: pymysql.err.ProgrammingError: (1064, 'You have an error in your SQ…
在Django默认的admin后台创建超级用户时, 报错pymysql.err.DataError: (1406, "Data too long for column 'gender' at row 1")的解决方法. 创建过程为: 点击tool菜单的run manage.py task,输入createsuperuser,运行,按提示输入用户名,邮件,密码,以及密码确认. 解决方法为: 在pycharm中按快捷键ctr+h,查找到gender的相应字段,如图: 我们可以看到设置的ge…
1570: Sequence Number 时间限制: 1 Sec 内存限制: 1280 MB 题目描述 In Linear algebra, we have learned the definition of inversion number: Assuming A is a ordered set with n numbers ( n > 1 ) which are different from each other. If exist positive integers i , j, (…
InnoDB: The log sequence number in ibdata files does not matchInnoDB的:在ibdata文件的日志序列号不匹配 可能ibdata文件损坏了解决办法如下:在my.cny 的[mysqld]中加入 # Size of each log file in a log group. You should set the combined size # of log files to about 25%-100% of your b…
MySQL解决[Err] 1206 - The total number of locks exceeds the lock table size问题 查看MySQL版本:mysql>show version(); 解决标题中的问题:修改innodb_buffer_pool_size的大小. 1.查看当前innodb_buffer_pool_size的大小:mysql>show variables like '%innodb_buffer_pool_size%'; 一般默认为134217728…
解决python pymysql.err.OperationalError: (2013, 'Lost connection to MySQL server during query') 学习了:https://stackoverflow.com/questions/35817479/python-pymysql-err-operationalerror-2013-lost-connection-to-mysql-server-dur sql = "insert into aaa(id, a,…
G. Sequence Number In Linear algebra, we have learned the definition of inversion number: Assuming A is a ordered set with n numbers ( n > 1 ) which are different from each other. If exist positive integers i , j, ( 1 ≤ i < j ≤ n and A[i] > A[j])…