master slave replication mongodb

MySQL replication is primarily replicated from the primary master. What is master-slave replication Master-slave replication means that th

Source: http://blog.chenlb.com/2010/03/mongodb-master-slave.html MongoDB master-slave replication is similar to MySQL. Add the -- master option on the

": Numberlong (1), "H": Numberlong ("7948077691112953460"), "V": 2, "OP": "I", "ns" : "Admin.system.version", "O": {"_id": "Authschema", "CurrentVersion": 5} {"TS": Timestamp (1469180731, 3), "T": Numberlong (1), "H": Numberlong (" -9003778602149648332"), "V": 2, "OP": "C", "NS ":" admin. $cmd "," O ": {" create ":" System.users "}} {"TS": Timestamp (1469180731, 4), "T": Numberlong (1), "H": Numberlong (" -5105507245190417325"), "V": 2, "OP": "I", "NS ":" Admin.system.users "," O ": {" _id ":" A

The biggest advantage of the NoSQL database is that it supports the cluster well, and today it is ready to use MongoDB to configure a master-slave server. About the installation of MongoDB is not introduced, I use the Mac side of the MongoDB, version 3.4.9 There are two mode

1 Experiment master-slave replication and verify replication success 2 experimental replica set, and verify that the auto switch primary successful. ======================================================================= 1.1. Start Master node: Mongod-dbpath=d:\program_fil

Mongodb supports master-slave replication without verification, but only one configuration role is master and oplog, And the other configuration role is slave and master's ip port. If it comes with verification, it will be troubl

Tags: MongoDB master-slave replication turn on security authentication2.1.1DeploymentMongodbMaster-slave Example:Mongodb-masterExampleEnvironment:mongodb-master configuration file first commented out validation parameters:#auth =

Server architecture:角色 ip地址 端口主服务器 192.168.8.81 27017从服务器 192.168.8.82 27017Primary server configuration:Vim mongodb.confport=27017dbpath=/data/dblogpath=/data/log/mongod.logfork = truemaster=trueFrom the server configuration:Vim mongodb.confport=27017dbpath=/data/dblogpath=/data/log/mongod.logfork = trueslave = truesource = 192.168.8.81:27017Start:主：mongod --config mongodb.conf从：mongod --config mongodb.confMongoDB

(' 192.168.1.201:27019 ');7: Primary Node inserts data>use Test>db.user.insert ({uid:1,name: ' Lily '});8: Connection Secondary Query synchronization situation./bin/mongo--port 27019>use Test>show collections;Rsa:secondary> Show Collections;2015-11-10t21:56:14.075+0800 E QUERY error:listdatabases failed:{"note": "From ExecCommand "," OK ": 0," errmsg ":" Not Master "}At Error (At Mongo.getdbs (src/mongo/shell/mongo.js:47:15)At Shellhelper.show (src/m

Tags: storage with nodes including recovery greater than database strong date　　I. The concept of read and write separation 　　　　Read and write separation, the basic principle is to let the main database processing transaction increment, change, delete operation (INSERT, UPDATE, delete), and from the database processing select query operation. Database replication is used to synchronize changes caused by transactional operations to the

Label:MongoDB has a major feature is replication, there are many forms of replication, where master-slave replication is a more common one. Master-slave

I. MongoDB configuration parameter Description:[Email protected] tmp]# cat/etc/mongod.conf#以守护进程的方式运行Fork=true#设置db的路径dbpath=/usr/local/mongodb/data/db#设置日志路径Logpath=/usr/local/mongodb/data/log/mongod.log#logappend: Write the log mode: set to True for append. The default is overwrite. If this setting is not specified, MongoDB