mongodb add replica set

I. Basic concepts of replica setsReplica set (replica set)MongoDB's replica set is a Mongod process instance cluster where data is replicated to each other in the cluster and is automatically failover.MongoDB's database replication adds redundancy,

One: Concept The popular copy set is to use multiple machines for the same data asynchronous synchronization, so that multiple machines have multiple copies of the same data, and when the main library when it is off without user intervention,

A replica set (Replica set) is a cluster of MongoDB instances consisting of a primary (Primary) server and multiple backup (secondary) servers. With replication, updates to the data are pushed from primary to other instances, and after a certain

Principles of MongoDB replica set (I) and principles of mongodb Replication References Official Website: www.mongodb.org Chinese community: www.mongoing.com Online Tutorial: https://university.mongodb.com/ Mongodb supports the traditional

MongoDB cluster building (master-slave replication, replica and) (5), mongodb master-slaveVi. Architecture ManagementMongodb master-slave clusters are divided into two types:1: master-Slave replication (master-Slave) -- The Slave server will not

MongoDB is the most commonly used NODQL database and has risen to the top six in the database rankings. This article describes how to build a highly available MongoDB (shard + replica) cluster.Before you build a cluster, you need to understand

MongoDB replica set implementation and read/write splitting In the previous article "building an instance in MongoDB master-slave mode", we briefly introduced how to build a master-slave Mongodb server environment. However, Mongodb does not

What is a MongoDB replica set:A MongoDB replica set is a cluster of replicas consisting of a set of MongoDB servers. The cluster contains a primary master server and several secondary backup servers or Artiber election servers. Secondary

Description There are three servers, the MONGODB database has been installed, the specific information as follows: MongoDB version: mongodb-linux-x86_64-2.6.11 MongoDB installation directory:/usr/local/mongodb

MongoDB cluster technology: replica set & sharding, mongodb ClusterA MongoDB replica set is a process of synchronizing data to multiple servers. The replica set provides redundant backup of data and stores data copies on multiple servers, this