MongoDB

Log is a very important part of the system, through the log can be found in time the problems in the system, but also to provide clues to repair problems. Docker provides a variety of plug-in ways to manage logs, and this article records the process

1. Download MongoDB offers Linux release 64-bit installation package download address: https://www.mongodb.com/download-center#community 2. Installation 1 tar-zxvf mongodb-linux-x86_64-3.0.6.tgz # decompression 2 3

CentOS 6 Installation MongoDBhttps://docs.mongodb.com/manual/installation/#tutorial-installation Install MongoDB Professional Edition # Create/etc/yum.repos.d/mongodb-enterprise.repo [mongodb-enterprise] name=mongodb Enterprise

What's MongoDB? MongoDB is an open-source, document-oriented NoSQL (not only SQL) database written using C + +, and one of the most popular NoSQL databases.A relational database is record-oriented, and an item in a relational database is a record,

MongoDB Basic Commands After the MongoDB is successfully started, you can then open a command line window to enter MONGO to perform some operations on the database. Enter help to see basic operations commands: Show DBS: Displaying a list of

The main adjustment is the introduction of the Mongoclient class in the 2.10.0 version, as well as the fact that the MONGO class will be mongoclient replaced in a future version (Note:this class has been superseded by Mongoclient, and May is

InstallationDownload the installation packageCurl-o https://fastdl.mongodb.org/linux/mongodb-linux-x86_64-2.6.5.tgzExtractTar axf mongodb-linux-x86_64-2.6.5.tgz-c/opt/Ln-s/opt/mongodb-linux-x86_64-2.6.5//opt/mongodbCreate a log, data storage

About MongoDBMongoDB is a distributed file-based database that is a product between relational and non-relational databases, with the main goal of building a bridge between key/value storage (which provides high performance and high scalability) and

This article records the steps I made to install MongoDB under the Win7 32 bit for recording.The installation methods below refer to the following blog

MongoDB Shard In MongoDB there is another cluster, that is, the Shard technology, can meet the requirements of a large number of MONGODB data volume growth. When MongoDB stores massive amounts of data, a machine may not be enough

MongoDB Advanced KnowledgeA. MongoDB fits the scene:1. Read and write separation:The MongoDB service uses a highly available architecture with a three-node replica set, and three data nodes are located on different physical servers, automatically

4.MongoDB command Line①mongodb Command-line IntroductionThe MONGO command line is the JavaScript interface for the MONGODB database. This command line can be used to make database pruning, performance management and other operations.The MONGO

A brief introduction: Today happened to write a backup script about MongoDB, share the nextTwo-Frontier: This script applies to single-instance and replica sets, not for Shard clustersThree contents:#!/bin/shUser=password=port=ip= '/sbin/ifconfig

MongoDB is 3.2.7 versionRecently in the Learning MongoDB database found on the Internet is not 2. X version of the following, since the drive from 2. X was modified a lot later, and LINQ now 2 is not supported. X is supported, too.Mongodb Start-up

Distributed system has always been very complex, especially the distributed database system, how do you guarantee the consistency of data? How do you guarantee its performance and latency? How do you achieve global distribution without requiring

Tag: Record out value star results in last data set structure portIn MongoDB (version 3.2.9), a shard cluster (sharded cluster) is a way to scale the performance of a database system horizontally, with the ability to store datasets distributed on

The use of the MONGDB database is not a crud operation. What is crud, is creating documents, reading document information, updating documents, and deleting documents. Key-value Key-value pair tags In MongoDB's Ruby driver, the

1. Download the latest ROM on the Raspberry Pi website firsthttps://www.raspberrypi.org/downloads/raspbian/Here's the choice: RASPBIAN JESSIE with DESKTOPDate is 2017.7.5Get files after download: 2017-07-05-raspbian-jessie.zipAfter decompression: 201

See also: http://www.2cto.com/database/201501/370191.htmlBasic informationSpock:primary>db.serverstatus (){"Host": "h6.corp.yongche.org",//Host name"Version": "2.6.2",//mongodb version"Process": "Mongod",//mongodb process, mainly Mongod and MONGOs

MongoDB database document CRUD operation tutorial, mongodbcrudMongoDB document CRUD operation query documentBasic usageThe syntax of the mongodb query document is as follows :? Db. collection_name.find (query, projection )? ? ? ? ? # Return data in