mongodb reference architecture

search key Many applications access new data more frequently than old data, so we want the data to be roughly sorted by time, but also evenly distributed, so that we can keep the data we are reading and writing in memory and distribute the load evenly across the cluster. For example, there is an analysis program that allows users to access data over the past one months on a regular basis, and we want to keep the data as easy to use as possible, so we can shard on {month:1,user:1}, where mo

, such as secondary without the right to vote and priority set to 0. Of course you can add a arbiter (arbiter) in a replica set schema, arbiter cannot hold a copy of the data, and the arbiter plays a controlling role in the replica set architecture, when replica The primary is not available in set, and it is necessary to re-elect other members as new primary. A replica set can have up to 12 members, and only 7 members can be voted on at the same

Review There is no doubt that mobile internet, social networking, large data and cloud computing have become the four major trends in IT development. Cloud computing also provides an ideal platform for the top three. Today, not only internet companies, many of the traditional industries of large and medium-sized enterprises are also building their own private cloud. This article is intended to introduce a reference

Tags: href operation user Activity ack personalization benefits ble spaceAbsrtact: The REDIS+MYSQL+MONGODB technology architecture enables big data storage and real-time cloud computing in this project. Using the horizontal dynamic addition of mongodb slices, it can guarantee the query speed and cloud computing efficiency after the expansion without interrupting

: Cobar and other middleware +mysql technology picture slightly. also, share some of the main MySQL high-availability architectures 1. mysql Dual master + keepalived automatic switching scheme (above) 2, MySQL master-slave + keepalived master-slave automatic switching scheme (above already) 3, Mmm+mysql dual Master + multi from high-availability program (above already) 4, MySQL + pecemaker (Heartbeat) + DRBD High Availability 5, MySQL + RHCS high-availability program 6. MySQL + cluser cluster

A Reference Architecture (SOA) is a framework that enables each project to have a compliance basis to promote consistency, best practices, and standardization. The reference architecture is not limited by the current IT status, but should be targeted at a well-thought-out vision. IT can be said that IT guides all futur

From: http://newhappy2008.blog.sohu.com/117231212.html A Reference Architecture (SOA) is a framework that enables each project to have a compliance basis to promote consistency, best practices, and standardization. The reference architecture is not limited by the current IT status, but should be targeted at a well-thou

bind_ip 0.0.0.0port 27017 if setting master/slave can set the following main configuration sudo./mongod--dbpath/var/lib /mongodb/--logpath/var/log/mongodb/mongodb.log--master--journal--logappend--fork from config sudo./mongod--dbpath/var/ lib/mongodb/--logpath/var/log/mongodb/mongodb.log--slave--logappend--fork--sourc

I introduced the basics of MongoDB in the front. We recommend two websites here. You can check them and explain them in more detail: Region #. Let's take a look at the data management and architecture of MongoDB in this article. We have introduced the basics of MongoDB. We recommend two websites here. You can check the

Asp.net| Variable | The structure to the company has been nearly two weeks, but due to customer demand analysis has not come down, all projects have not started. Just use this time to carefully study the multilayer architecture of ASP.net, the main reference is the Wrox of a ASP.net's multi-layer architecture is mainly to solve the relationship between data laye