replica net

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

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

the concept of a replica set A replica set is a set of servers, one of which is the primary server (primary), used to process client requests, and multiple backup servers (secondary) to hold data replicas of the primary server. If the primary

MongoDB replica set database split and version upgrade combatProblem descriptionThe replica set rs_1 all of the database services, and adding memory is no longer sufficient for application stress.Solution SolutionsConsider splitting the replica set

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 replication is the process of synchronizing data across multiple servers. Replication provides a redundant backup of data, storing copies of data on multiple servers, increasing the availability of data, and guaranteeing data

MongoDB replication is the process of synchronizing data across multiple servers.Replication provides redundant backups of data, stores copies of data on multiple servers, improves data availability, and guarantees data security.Replication also

Experimental construction of a cluster to do practiced hand.Configuration and Environment:Win10 (native) and Linux (CENTOS7) intranet servers each.Mongodb3.07Target: Replica set replica set structure, a primary a slave, to achieve read-write

Reference post: https://www.jianshu.com/p/ca620842868aFirst, installation Preparation1. Modify the System configuration#关闭selinux, Firewall#修改/etc/security/limits.conf Add the following: Soft Nofile 65536 Hard Nofile 65536 Soft

MongoDB replication is the process of synchronizing data across multiple servers.Replication provides redundant backups of data, stores copies of data on multiple servers, improves data availability, and guarantees data security.Replication also