mongodb compact database

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/

Original: MongoDB Data summaryThe previous Redis Data summary topic is very popular, here the MongoDB series of information is also a simple collation. Hope to be useful to everyone. Last update time: 2013-04-22What is 1.MongoDB? MongoDB

What is 1.MongoDB? MongoDB Introduction ppt Sharing MongoDB Gridfs Introduction ppt Two First knowledge of MongoDB Gridfs MongoDB Gridfs Introduction A NoSQL and MongoDB introduction ppt MongoDB: Next Generation MySQL?

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

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

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

use MongoDB as a pure memory database (Redis style) Basic Ideas The use of MongoDB as a memory database (In-memory db), which is not allowing MongoDB to save data to disk, has aroused more and more people's interest. This usage is very practical

HenriqueLoboWeissmann is a software developer from Brazil and co-founder of itexto, a consulting company. Recently, Henrique wrote on his blog about some content about MongoDB, some of which deserve our attention, especially those who are interested

When we delete a document or collection from MongoDB, MongoDB does not release the disk space that is already occupied, and it maintains a data file that has occupied disk space, although there may be a large and small list of empty records in the

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