var log mysql

Ubuntu 9.04InstallMysql Proxy LuaIs the content to be introduced in this article, mainly to understandMysql ProxyInUbuntu 9.04The installation environment under and has passed the test. For details, see this article. Install mysql 1,

1. Error logUse the –log-error[=file_name] option to specify where MYSQLD saves the error log file. If the file_name value is not given, MYSQLD uses the error log name Host_name.err and writes to the log file in the data directory. If you perform

1, caused by:com.MySQL.jdbc.exceptions.jdbc4.CommunicationsException: The last packet successfully received from the server is 56,201,339 milliseconds ago. The last packet sent successfully to the server is 56,201,339 milliseconds ago. is longer

Here's how to fix it:Original MY.CNF configuration file: The code is as follows Copy Code

How many types of MySQL backups are available, please describe briefly:Database logical backup \ Physical BackupPhysical backup is divided into Lengbei and hot standby A. Direct copying of data files to a safe place for preservationB. Use of

Logs in MySQL include: error log, binary log, General query log, slow query log, and so on. Here is the main introduction of the more commonly used two features: General query log and slow query log.1) General query log: Records established client

I. OverviewMysql-ha currently has a lot of implementations, today with the MySQL double master+keepalived to achieve mysql-ha. in the mysql-ha environment, MySQL is the main slave relationship, which guarantees the consistency of the two MySQL data.

Gtid Description :The Gtid (Global Transaction IDs) introduced by MySQL 5.6 makes the configuration, monitoring, and management of its replication capabilities easier to implement and more robust.To use the replication feature in MySQL 5.6, the

Realize:Yum installs the appropriate libraries because I have to install nginx,php on this machine, so the following libraries are installed# yum -y install gcc gcc-c++ autoconf libjpeg libjpeg-devel 

In mysql, logs are classified into error logs:-log-err query log:-log slow query log:-log-slow-queries update log:-log-update BINARY log: -Below I will introduce the methods for enabling, disabling, and viewing mysql logs. 1. Error LogUse

I have been working on this for a few days. It was possible to install mysql in the source code of Ubuntu 12.04 following the tutorials on the official website step by step, but mysql won't work after installing Python-MySQLdb, when it is started,

Environment Description: This environment consists of two mysql Databases and heartbeat, one ip AddressFor 192.168.10.197 and 192.168.10.198.192.168.10.200Note: heartbeat itself cannot automatically switch between services.The moniter script

1. keepAlived + Mysql uses KeepAlived to implement high-availability MYSQL_HA cluster environment. MYSQL is a master-master synchronous replication relationship to ensure data consistency on the MYSQL server. KeepAlived is used to provide virtual IP

Mysql implements master-slave synchronization to bitsCN.com Mysql implements master-slave synchronization Implement master-slave synchronization in mysql: Step 1: Install a mysql instance on each of the two machines (unbutu and mysql5.5 in my

Usrbinmysqladmin: refreshfailed; error: amp; #39; Unknownerroramp; amp; #39; after upgrading debian wheezy, the password is changed due to an authorization error, mysql safe in debian cannot be accessed either. I have changed bind-address to the LAN

When doing read and write separation again, this is okay [root @ proxymysql-proxy] # mysql-proxy -- daemon -- pluginsproxy -- log-leveldebug -- log-filevarlogmysql-proxy.log -- proxy-read-only-backend-addresses192.168.85.145: 3306 --

Use six RHEL6.5 virtual machines ,. Sql1 and sql2 are used as SQL nodes, ndb1 and ndb2 are used as data nodes, and mgmsvr are used as management nodes. These five constitute the MySQL set. Use six RHEL 6.5 virtual machines ,. Sql1 and sql2 are used

Refer to this blog post:http://blog.51cto.com/12965094/21292671. Download the installation package wget Http://downloads.sourceforge.net/project/boost/boost/1.59.0/boost_1_59_0.tar.gzwget https://

10.10.10.20: Monitoring Side10.10.10.21: Main10.10.10.22: Main10.10.10.23: From10.10.10.24: FromYum-y install MySQL Mysql-serverService mysqld StartYum-y Install mysql-mmm*Useradd--comment "MMM Script owner"--shell/sbin/nologin MMMDYum-y Install

MySQL full backup + incremental backup Profile: Manage MySQL configuration file, open Binlog log for MySQL database: Log_bi n =/var/log/mysql/mysql_bin.log server-id = 1 (must