mongodb file system

Tags: get blank file middle position start Connection top modeSetting up MongoDB Server as a system for easy start and stopIt's happening today. After installing the next MongoDB service locally, after installation, the configuration file is created for the database service

Tags: direct res iad and 51cto own fast running RedhatFirst, through the RPM installation 1, System preparationOur system version isCentOS Linux release 7.3.1611 (Core)2. installation package Download: http://mirrors.aliyun.com/mongodb/yum/redhat/, can be selected according to your own system version.The path I chose:

Transferred from: http://winfan.net/655.html1. Download MongoDB Package2. Unzip the zip to D:\MongoDB3. Create a directory D:\MongoDB\data\db4. Create a log directory D:\MongoDB\log5. Create the configuration file D:\MongoDB\mongod.cfg content as follows 1234

MongoDb gridfs-ngnix file storage solution, mongodbgridfs In the development of various system application servers, we often encounter file storage problems. Traditional DBMS file stream storage is a common disk file

thing: avatar, the average person will do this: Uid Name Age Photo 1 Tom 18 ./upload/1.png 　　Although different databases provide direct storage of binary database fields, but I will choose the above storage, I believe there are many people will do so, there is nothing wrong with this, but if our files are large, a few GB, then whether read or write will be time-consuming, become the bottleneck of the

1. Create a new Data folder under D:\MongoDB2. Create a new DB and log folder under D:\MongoDB\data3. Create the Mongo.log file under D:\MongoDB\log4, create a new mongod.cfg file under D:\MongoDB, add the following in the fileLogpath=D:\

: Indicates the file to importFour, brush the memory of the modified data to disk1. Fsync and lockForces all changes to disk to be refreshed, and maintains a global lock. Then copy the data directory for backup. During a refresh, the system performance is affected and the lock is blocked during the read.> Use adminSwitched to DB admin>db.runcommand ({"Fsync": 1, "Lock": 1});{"Info": "Now locked against writ

... Tue 18:06:43 shutdown:going to flush Diaglog ... Tue 18:06:43 shutdown:going to close sockets ... Tue may 18:06:43 shutdown:waiting for FS preallocator ... Tue 18:06:43 shutdown:closing All Files ... Tue may 18:06:43 Closeallfiles () finished Tue 18:06:43 dbexit:really exiting now Follow the prompts to run net start MongoDB under cmd Copy Code code as follows: net start "