mongodb compact example

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MongoDB Data Summary topic)

Document directory 1. What is MongoDB? 3. MongoDB hands-on experience sharing 4. MongoDB and open-source projects 5. MongoDB client and tool set 7. MongoDB performance and Optimization 9. MongoDB news Address: http://blog.nosqlfan.com/html/

MongoDB Data storage Engine

The storage Engine (Storage) is the core component of MongoDB, responsible for managing how data is stored on the hard disk and memory. Starting with the MongoDB 3.2 release, MongoDB supports the multi-data storage engine (Storage engines), and

Processing of MongoDB

Transferred from: http://www.cnblogs.com/cswuyg/p/4355948.html1. Count Statistics result errorThis is because the distributed cluster is migrating data, which results in a count result value error and requires the use of aggregate pipeline to obtain

MongoDB Usage Summary

The recent year is busy with data processing related work, with MongoDB very much, the following is the practice process of q&a, follow-up will not be updated regularly. 1. Count Statistics result errorThis is because the distributed cluster is

MongoDB Usage Summary: Some of the less common experience sharing

The recent year is busy with data processing related work, with MongoDB very much, the following is the practice process of q&a, follow-up will not be updated regularly.1. Count Statistics result errorThis is because the distributed cluster is

Install and configure MongoDB in Windows

Installation files: Official Website http://www.mongodb.org/downloads Select the file to download from the system. 1. decompress the file. Decompress the compressed package, create a folder named mongodbon on the d Drive, and copy all the. exe files

The storage structure of MongoDB and its influence on the space utilization rate

Students who use MongoDB for a period of time will surely find that mongodb tend to occupy a lot more space than the actual data size. If you use the Db.stats () command to view, you will find that MongoDB reports several different spatial size

The storage structure of MONGODB and its effect on space utilization

Using MongoDB for a while will certainly find that MongoDB tends to occupy a lot more space than the actual data size problem. If you use the Db.stats () command to view it, MongoDB will report several different spatial size information, such as

MongoDB Advanced-Correlation query

"Suzhou needs to work to add me QQ, the introduction of fee-splitting" MongoDB advanced1. Database commandsA. How the command worksDrop command to delete a collection in the shell and Execute Db.refactor.drop (). Actually, this function actually

OpenStack Ceilometer use MongoDB to solve excessive disk space problem _openstack

OpenStack Ceilometer use MongoDB to solve excessive disk space problem Background: Ceilometer uses MongoDB as a database, constantly sampling, resulting in the volume of data expansion, excessive disk space consumption. Knowledge background 1.

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