mongodb fsync

Can the data violence to the hard disk, of course, is possible, MongoDB provides us with a fsync+lock mechanism to meet our needs.Fsync+lock first will buffer data violence into the hard disk, and then a write lock to the database, the other

Installation scripts#!/bin/bash  #author:  qingfeng#qq: 530035210#blog: http://my.oschina.net/pwd/blog # Automatic installation of MongoDB and initialization configuration # The default configuration is as follows  logdir=/data/log/shell            #

In the past, MySQL databases were used to write a large pile of SQL statements all day long. It took several days to remember these SQL keywords, and all the SQL keywords were written. When MongoDB was exposed, I found that I don't need to write SQL

Previous: building Lnamp Environment (v)-PHP7 source installation Redis and Redis expansionFirst, install MongoDB1. Creating MongoDB user groups and users-r-g mongodb-s/sbin/nologin-m MongoDB2. Download the MongoDB source package and put the source

Basic concept basic features 1 rich data type 2 easy to expand 3 rich features 4 no sacrifice speed 5 Easy management scenario storage model concurrency control memory management disaster recovery 1 Backup 2 Repair MongoDB Transport Protocol MongoDB

********************************** Connect to the MongoDB database * * ************************* format ("mongodb: username: password @ address: Specifies the database by default on the port ", parameter) $ connnewMongo (); can be abbreviated as $

This article mainly introduces the PHP operation MongoDB implementation of adding and removing functions, combined with examples of the form of a summary of the PHP operation MongoDB Common skills, and with PHP7 operation MongoDB method, with a

Used MySQL database, the whole day is to write a large heap of SQL statements, to remember that these SQL keywords are going to take a few days, write the eggs are exploded, when the contact to MongoDB, found not to write SQL, instantly feel tall on,

This article mainly introduces the PHP operation MongoDB implementation of adding and removing functions, combined with examples of the form of a summary of the PHP operation MongoDB Common skills, and with PHP7 operation MongoDB method, with a

Copy Code code as follows: /** * PHP Operation MongoDB Learning Notes */ //************************* * * Connect MongoDB database **// //************************* Format => ("mongodb://Username: password @ address: Port/default