mysql登录后无法执行命令如show processlist 查看MySQL错误日志 参考以下方法,执行 1.系统层面 [root@pisphkdcbsql01 ~]# cat /proc/sys/kernel/sem [root@pisphkdcbsql01 ~]# echo "kernel.sem=250 32000 100 128" >> /etc/sysctl.conf [root@pisphkdcbsql01 ~]# sysctl -p 2.MySQL参数修改…

昨天安装了最新版本XAMPP for Windows 1.8.3. 今天早上打开XAMPP双击mysql Start按钮报错,如下(部分截取): 2013-09-17 10:12:02 9012 [ERROR] InnoDB: Attempted to open a previously opened tablespace. Previous tablespace mysql/slave_relay_log_info uses space ID: 3 at filepath: .\mysql\s…

xtrabackup备份MySQL报错:InnoDB: Error number 24 means 'Too many open files' 1.使用xtrabackup备份MySQL时出现如下报错: :: >> log scanned up to () xtrabackup: Generating a list of tablespaces InnoDB: Allocated tablespace ID InnoDB: Operating system error number in a…

mysql报错Ignoring the redo log due to missing MLOG_CHECKPOINT between mysql版本:5.7.19 系统版本:centos7.3 由于周未公司断电,跑在vmware虚拟机上的mysql挂掉,无法重启 启动mysql的时候,error log的信息如下 --15T11::: [ERROR] InnoDB: Ignoring the redo log due to missing MLOG_CHECKPOINT between the…

mysql报错Multi-statement transaction required more than 'max_binlog_cache_size' bytes of storage 在执行create table  xx  as  select xx的时候 或者在执行 tpcc-mysql的tpcc_load 的时候 都会遇到这个错误 1534, HY000, Writing one row to the row-based binary log failedRetrying ... 1…

原文链接:https://blog.csdn.net/bao19901210/article/details/51917641 二进制安装 1.添加mysql组和mysql用户,用于设置mysql安装目录文件所有者和所属组.  ①groupadd mysql  ②useradd -r -g mysql mysql  * useradd -r参数表示mysql用户是系统用户,不可用于登录系统.  * useradd -g参数表示把mysql用户添加到mysql用户组中. 2.将二进制文件解压到指定…

如下所示,PHP连接MySQL报错: SQLSTATE[HY000] [2002] Can't connect to local MySQL server through socket 'MySQL' (2) 测试代码如下: <?php try { $dsn = 'mysql:dbname=php-note;host=localhost;port=3306;charset=utf8'; $username = 'root'; $password = 'root'; new PDO( $dsn,…

Asp.Net连接Mysql报错Out of sync with server 原因:程序引用的MySql.Data.dll版本高于服务器版本 解决:下载一个低版本的MySql.Data.dll,项目重新引用…

Linux系统下启动MySQL报错:Neither host 'localhost.localdomain' nor 'localhost' could be looked up with 摘要 Linux系统下安装完MySQL,启动MySQL报错:Neither host 'localhost.localdomain' nor 'localhost' could be looked up with... Linux系统下装完MySQL,然后重新启动动时报错: 解决方法:  查看cat /etc…

启动Mysql报错: Another MySQL daemon already running with the same unix socket. 删除如下文件即可解决 /var/lib/mysql/mysql.sock 如果还有/var/lib/mysql/mysql1.sock,/var/lib/mysql/mysql22.sock,则一并删除.…