master slave replication mongodb

quot;: objectid ( quot; 4b8ed00a1d42d47b3afa3c47 quot;), quot; X quot;: 999, quot; Note quot;: quot; in DB2 quot "}> DB. printslavereplicationinfo () ========================================================== ========================================================== =====-- Master experiment-- Create a data directory$ Mkdir/data/M1$ Mkdir/data/m2 -- Start the server$/Data/mongodb-linux-i6

Tags: set nbsp host thread Sam Max master-slave copy Io_thread LinPreviously done a multi-instance MySQL on a single machine, this time separate to do, using two hosts.The host addresses used here are:master:192.168.214.135slave:192.168.214.128The two hosts already have MySQL installed, but two database data are differentMaster-slave

The original meaning of replication's English word is "copy", the replication file is the last file of my analysis in the data directory, enough to explain his importance, the code quantity 1800 +, indeed very difficult to chew. Can only say that I look at the code down the general impression of it, I want to draw a structural map to the various APIs in this diagram, which I can not really do at present. When it comes to

MySQL replication is a master-slave synchronization solution for multiple MySQL databases. It features Asynchronization and is widely used in various scenarios that require higher performance and reliability for MySQL. Another technique corresponding to this is the synchronized MySQL cluster, but because of its complexity, there are fewer users.MySQL officially p

Tags: Service ack False disadvantage MONGO users store delay recordMaster/slave master-slave replication master-slave replication MongoDB a

event);(2) Slave copies the binary log events of master to its trunk logs (relay log);(3) Slave redo the event in the trunk log and change the data to reflect its own. Describes the process of replication: The first part of the process is the master record binary log.

Tags: mongodb database master-Slave data synchronizationIn the previous series of articles, we described the basic operations of MongoDB, advanced queries, and the use of indexes. This blog mainly describes how the Windows system to create master-

Tagged: Server server multithreading MySQL styleGtid,global Transaction Identifiers, the global transaction identifier consists of a unique identifier for the server's UUID and transaction ID number. After MySQL 5.6, the transaction header records the server UUID, which is very simple to track.Uuiduniversally unique Identifier, globally unique identifier. A is master,b, C is slave, and when a goes down, B

Semi-synchronous replication in MySQL master-slave Replication Experiment MySQL uses the plug-in provided by Google to complete the semi-synchronous replication model; the physical machine is still Windows 7, and the virtual machine is CentOS 7;

) Slave copies the binary log events of master to its trunk logs (relay log);(3) Slave redo the event in the trunk log and change the data to reflect its own.650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M02/56/FD/wKiom1SOwveBlyTdAADpsdSzYhI977.jpg "title=" Mysql_ Master_slave.jpg "alt=" Wkiom1sowveblytdaadpsdszyhi977.jpg "/>2.

First, the preparation (master and slave need to configure):Yum-y install MySQL mysql-server#安装mysqlYum-y Install ntpdate#安装时间同步Echo ' */1 * * * * */usr/sbin/ntpdate ntp1.aliyun.com >/dev/null '>>/var/spool/cron/root #配置网络时间同步Service mysqld start#启动服务Chkconfig--add mysqld#添加为系统服务Chkconfig mysqld on#开启默认运行级别Second, the primary server configuration: The main configuration file by default:/ETC/MY.CNF[Mysqld]Da