online offline database synchronization mysql php

Environment:Master server: centos 5.2 mysql 5.1.35 source code IP: 192.168.1.22Slave server: centos 5.2 mysql 5.1.35 source code IP: 192.168.1.33Configuration:I. master server1.1 create a replication user with the replication slave permission.Mysql> grant replication slave on *. * to 'repl' @ '192. 168.1.22 'identified by 'repl ';1.2 edit the my. cnf FileVi/etc/my. cnfAddServer-id = 1And enable the log-bin

How does php check the synchronization status of mysql in linux? This article describes how to check the synchronization status of mysql using php in linux. It is a practical technique for detecting the

CREATE TABLE Ccol ( ID integer NOT NULL auto_increment, #记录的ID IP char (a) is not NULL, #访问者的IP地址 Dtstamp datetime NOT NULL, #最后访问时间 Uri Char (255), #访问者请求的URI Primary KEY (ID) ); Copy CodeThen, write the PHP code for the statistics /* Files: ccol.php Objective: To count the number of simultaneous online visitors

InnoDB engine database master-slave replication synchronization new sharing bitsCN.com recently upgraded the company's MySQL architecture, from the original master-slave multi-slave to DRBD + Heartbeat dual-master multi-slave, there is a new e-commerce website project to be launched, using DRBD + Heartbeat dual master and one slave, because this process is differ

First, the concept:① Database Synchronization (master-slave Synchronous---Primary database writes to write data from server)② database Synchronization (primary primary Sync---Two database servers write data to each other) Second,

Problem description: ProgramAfter the master database is updated, the data queried from the slave database does not change. It is suspected that the synchronization delay of the Master/Slave database is caused. Check the master-slave synchronization status from the

PHP + MYSQL provides a [code] for counting the number of online website users. Php (as the mainstream development language) example Tutorial: the program code of the number of online users of the website. MySQL (the best combinati

:0Master_ssl_allowed:noMaster_ssl_ca_file:Master_ssl_ca_path:Master_ssl_cert:Master_ssl_cipher:Master_ssl_key:seconds_behind_master:0Master_ssl_verify_server_cert:nolast_io_errno:0Last_io_error:last_sql_errno:0Last_sql_error:1 row in Set (0.00 sec) Verify that the configuration is correct Executing on the server from show slave status\g;Waiting for master to send eventSlave_io_running:yesSlave_sql_running:yes If the above tw

later found that MySQL database master-slave synchronization will have some problems. The first thing that is not good for scripting is to ensure that the initial database information is the same on both sides before synchronizing, because the Mysql-binlog location of the s

Recently to do database synchronization, if the Internet to find examples, success, record down, see next time. This is an article found on the Internet. The following configuration has been successful on this machine: Implementation function: A main server, B is from the server, the initial state, A and B in the same data, when the data in a change, B also follow the corresponding changes, so that a and

How to Avoid synchronization of the MySQL database master Fault description: Go to the slave Database Mysql> show slave status \ G; The result is as follows: ... Slave_IO_Running: Yes Slave_ SQL _Running: No Last_errno.: 1062 ... Cause: 1. The program may write on slave. 2.

auto_increment_increment=2 auto_increment_offset=2 Start MySQL service at the same time: /etc/init.d/mysqld start Perform the same operation at 192 and 193: /usr/local/mysql/bin/mysqld_safe After entering MySQL /usr/local/mysql/bin/mysql-uroot-p 192 server: flush tabl

How can I configure Database Synchronization for multiple MySql servers? The following statements are used to synchronize databases on multiple MySql servers for your reference. Description of configuration statements for synchronizing databases on multiple MySql servers (ba

experiences here: 1) The replication process of MySQL is an asynchronous synchronization process, not completely master-slave synchronization, so there is a delay in the synchronization process. If the read/write splitting service is enabled, we recommend that you monitor the delay; 2) the master and slave machines of

= 0/G'/etc/yum/pluginconf. d/fastestmirror. conf Cat/dev/null>/var/cache/yum/timedhosts.txt Yum clean all Yum makecache 3. yum-y install gcc * gcc-c ++ rpm-build mysql * httpd * php * ppp openldap-devel lrzsz pam-devel wget net-snmp * ntp openssl * libgssapi * iptraf libtool -ltdl * libtool crontabs libpcap * flex byacc libpcap ncurses-devel automake autoconf libtool make traceroute wget scp openssh * setu

transaction processing during backups Savings on disk space and network bandwidth Automatic backup verification Higher uptime due to faster restore time Features Create hot InnoDB backups without pausing your database Make incremental backups of MySQL Stream compressed MySQL backups to another server Move tables between

Mysql master-slave Database Synchronization time: Source: Network Author: PHP100er CLICK: 292 Times [font size: large medium small] environment: master server: centos 5.2 mysql 5.1.35 source code IP: 192.168.1.22 slave server: centos 5.2 mysql 5.1.35 source code IP: 192.168.

Tags: http io os ar data art C on logMaster configuration:Code to copy code as followsLog-bin = Mysql-binServer-id = 1Binlog-do-db = Powerdns #要同步的数据库Master new Slave Account:Code to copy code as followsmysql> GRANT replication Slave on * * to ' slave ' @ ' 192.168.1.2 ' identified by ' passwd ';mysql> FLUSH privileges;Restart Master MySQL, view the master status

Can mysql database synchronization be performed on a single table? First question: can mysql database synchronization be performed on a single table? That is to say 1. database A has th

only discuss mysql 5.1 I. Current Basic Environment: Primary DB: 192.168.1.101 From DB1: 192.168.1.102 From DB2: 192.168.1.103 (prepare to add a mysql database as a slave online) Database version: mysql 5.1.61 (select version ())