mariadb multi master

Login 3306:$mysql-uroot-h127.0.0.1-p3306To create a replication user:Mysql>grant replication Slave, replication client on * * to [e-mail protected] ' localhost ' identified by ' repl ';Mysql>flush privileges;Log in from the library:$mysql-uroot-h127.0.0.1-p3307Mysql>change master to master_host= ' localhost ', master_port=3306, master_user= ' repl ', master_password= ' repl ', Master_log_file= ' mysql-bin.000001 ', master_log_pos=0;Execute on the mai

Test results of Redis multi-master and One-slave configuration. One of my systems is to deploy redis on each machine. In this way, horizontal scaling is achieved. The problem is that it is very inconvenient for statistics. Test results of Redis multi-master and One-slave configuration. One of my systems is to deploy r

[Share] bask in my WINDOWS7_SP1 Package Master Plate (multi-image, attached to some tools), the birds have drifted ~Big babe 1 Posted on 2012-8-9 18:01:57Https://www.itsk.com/thread-208956-1-3.htmlThis post was finally made by Big Baby 1 on 2012-10-4 15:07 editAround June this year, I began to switch from the XP package to the Win7 package, Win7 package is not difficult, but particularly tired, because Win7

| 0 | 8 | 1000 |161 || DN2 | hostS1 | MySQL | localhost | 3307 | T: 0 | 8 | 1000 |137 || DN1 | hostM1 | MySQL | localhost | 3306 | W | 0 | 0 | 1000 || DN1 | hostM2 | MySQL | localhost | 3308 | W | 0 | 8 | 1000 |161 || DN1 | hostS1 | MySQL | localhost | 3307 | T: 0 | 8 | 1000 |137 |+----------+--------+-------+-----------+------+------+--------+------+------+---------+6 rows in Set (0.02 sec)6 Additional InstructionsGo back and verify that the master-

The new version of mysql sets up multi-thread master-slave Replication I. First, get Mysql-5.7.11-1.el6.x86_64.rpm-bundle.tar Tar xf mysql-5.7.11-1.el6.x86_64.rpm-bundle.tar Yum install-y mysql-community-client-5.7.11-1.el6.x86_64.rpm mysql-community-common-5.7.11-1.el6.x86_64.rpm mysql-community-libs-5.7.11-1. el6.x86 _ 64.rpm mysql-community-libs-compat-5.7.11-1.el6.x86_64.rpm mysql-community-server-5.7

About PHP upload and processing of multi-image, Trouble master to write a piece of code for learning The requirements are as follows: There are 4 pictures under a product name. The image is uploaded to the "upimg" folder in the current path, and the picture path is stored in the MySQL corresponding field. So when I do product information filling in, for the same product name, you must upload 4 images. ---

the server # Binary Logging. # Log-bin Log-bin=mysql-bin error:the slave ' s UUID is the same as the master. Modify the Server-uuid in the auto.cnf file from the Server data folder [Auto] Server-uuid=b1a3dd23-edc7-11e6-81b8-480fcf275eaf MySQL forgot root password Add skip-grant-tables and restart the MySQL service under My.ini configuration file [mysqld] Execute the following SQL Use MySQL; Update Mysql.user set Au

service.4. AppendixShow Master status;--Show Master Status \g/* query whether bin-log*/show variables like '%log_bin% ' is turned on; show variables like ' log_bin_t Rust_function_creators '; Show Master Logs;show processlist; FLUSH privileges; Show Binlog events;show binary logs;Two. Slave from server1. Configuration#如果需要增加Slave库则, this ID is deferred; server-i

seconds:Mysql> CREATE TABLE New_table2 (ID int,str varchar (100));Query OK, 0 rows affected (1.07 sec)(3) Query from the server at this time, table New_table2 is not createdMysql> Show tables;+----------------+| Tables_in_test |+----------------+| hahahaha || test_table || Wochenggongle |+----------------+4 rows in Set (0.01 sec)(4) When you create a table on the primary server, you will find that the creation time is only 0.09 seconds, becauseOnce timed out, it automatically drops to asynchron

through SQL job timed jobs is through the connection of the destination server and the source server, and then by writing SQL statements, reading the data from the source server, and then updating to the target server. Three data synchronization via SQL Server Service Broker Message Queuing Http://www.cnblogs.com/downmoon/archive/2011/04/05/2005900.html Four SQL Server AlwaysOn Read and write separations implement a master multiple slave Disadvant

: Query OK, 0 rows affected (0.01 sec) Here, the configuration is complete. Test Let's do this, create a table on C, then kill it on D and see if there is any on C. Create database example;CREATE TABLE Example.dummy ( id varchar); #note here was ' not ' And then, on D, see if there's a table: Show tables in example; You will see: +-------------------+ | Tables_in_example | +-------------------+ | dummy | +-------------------+ 1 row in S

Master_user= ' stemp ', master_password= ' 123456 ' for CHANNEL ' group_replication_recovery '; INSTALL PLUGIN Group_replication SONAME ' group_replication.so '; set global group_replication_allow_local_disjoint_gtids_join=on; START group_replication;Other main executions:INSTALL PLUGIN group_replication SONAME ' group_replication.so '; START group_replication;To view node information:SELECT * from Performance_schema.replication_group_members;Modify node information online:Global group_replicat

Multi-threaded design model-Future mode, Master-Worker mode, producer-consumer mode, Sample Code: Public interface Data {String getRequest ();} public class FutureData implements Data {private RealData realData; private boolean isReady = false; public synchronized void setRealData (RealData realData) {// if the load is complete, return if (isReady) {return ;}// if the load is not complete, load the real ob

The previous article explained the Redis installation on CentOS. Now let's take a look at the installation of Redis standalone Multi-instance First turn off Redis Based on the configuration file location of the previous Redis installation First we copy the Redis configuration file Cp/etc/redis/6379.conf/etc/redis/6380.conf Then modify the information in the 6380.conf configuration file: Port ports changed to 6380 Data storage directory dir chang

Tags: Mysqld_multi realize multi-master one from synchronizationFirst make sure that MySQL is about 5.5, too old, and the method may be different.1. Generate Database with mysql_install_dbmysql_install_db--DATADIR=/VAR/LIB/MYSQL2--user=mysqlmysql_install_db--datadir=/var/lib/mysql3--user=mysql2. Generate Configuration fileMysqld_multi--example3, modify the configuration file: my.cnf[Mysqld_multi]Mysqld=/usr

Tags: User erro mysql tps row dev error ati rateMySQL Cluster setup-multi-Master modeThis article uses the Galera build MySQL cluster, realizes each MySQL is the main server, does not have the master-slave division.Environment:Three mysql5.7 servers.To install the MySQL cluster:Preparation before installation:# echo ' 192.168.1.2 mysql1 ' >>/etc/hosts# echo ' 192

#!/usr/bin/python#-*-coding:utf-8-*-' Createon2014.12.13@author:feifei ' import Osimportsysimportparamikoips=[]defread_ip (ipfile): try: ifos.path.isfile (ipfile): allip=open (ipfile, ' R ') foripinallip: ips.append (Ip.strip ()) allip.close () else:sys.exit () except:print ' Open ip.txtisfailure. ' Sys.exit () defremote_action (): username= ' root ' pkey= '/root/ . Ssh/id_rsa ' port=22fail_host=[]forhostnameinips:try: paramiko.util.log_to_file (' Paramiko.log ') key=paramiko. Rsakey.from_priv

Tags: master database logging Networktwo parameters, one is binlog_ignore_db. the other is replicate-ignore-db difference:binlog_ignore_db The parameters are set on the main library, for example: Binlog-ignore_db=test, Then for Test all operations under the library (incremental deletions) are recorded so that slave in accepting the main library's Binlog File , the amount of files will be reduced. Pros: Reduce network I/O , reducing slave End I/O Threa

Background:Import the CSV file via Navicat on the main library and rename it. Causes a multi-source database to be out of sync.Alarm information:Login to multi-source Library view:(Guess reason: navicat internal package)To view the binlog of the main library's corresponding points:Mysqlbinlog--base64-output=decode-rows-vv-d Goods--start-position=259507714 bj-h1419-db304-bin.000618It's amazing to find that t

Label:Read/write separation and data separation is the same, read and write separation, is read and write in the same server different database, or different server different database?1 Master-slave replication, is used to establish a database and the main database exactly the same as the databases environment, called from the database, the main database is generally real-time business database, from the role of the database and the use of a few gener