mongodb maintenance

space occupancy. I have suggested that the author put the field name index, each of the field names in one byte, so you don't have to worry about how long the field name takes. But the author's concern is not unreasonable, this index method needs to be a result of each query to replace the index value with the original value, and then send to the client, this substitution is also very time-consuming. Now the realization is to take the space to exchange time.3, delete the record does not free sp

possible, so that space is small, but this requires a tradeoff between legibility and space occupancy. I have suggested that the author put the field name index, each of the field names in one byte, so you don't have to worry about how long the field name takes. But the author's concern is not unreasonable, this index method needs to be a result of each query to replace the index value with the original value, and then send to the client, this substitution is also very time-consuming. Now the r

A.MongoDB features, features, usage scenariosMongoDB Installation and ConfigurationMongoDB ArchitectureDatabase start, stop, connectJson/bson data formatMongodb1. FeaturesData is in memory, written to disk through a background threadNon-modal structure for data storage----> such as product data, different product descriptions are not the same, then if the relational database is difficult to handlecan be inserted in real time (write performance is very good)Automatic Fragment ProcessingThe stored

Wireless network Bridge maintenance work often requires experienced network administrators to coordinate, so the performance of the network often attracts many users of the eyeball, here to introduce you several aspects. How to improve the quality of network services, enhance competitiveness? I think we must strengthen the basic maintenance, ensure the equipment intact, and continuously optimize the network

MongoDB document deletion and mongodb document deletion skills ? ? The MongoDB remove () function is used to remove data from the set. ? ? You can use the update () function to update MongoDB data. It is a good habit to execute the find () command before executing the remove () function to determine whether the execut

PHP+MONGODB Development Environment Construction (linux+apache+mongodb+php) I. Preparing the Linux environment (turn off Selinux,iptables, configure initialization operations such as IP) Two. Prepare the software: 1. Apache: can be installed with Yum, you can also download the source code compilation. 2. MongoDB: Now Linux is not integrated, so to download. My e

The Spring data for MongoDB is a sub-module of spring data. The goal is to provide a similar, consistent spring-based programming model for MongoDB. The Spring data for MongoDB Core feature is a document that maps Pojo to MONGO Dbcollection and provides a repository-style data access layer. attributes: 1. 2.MongoTemplate Helper classes (similar to JdbcTemp

MongoDB's OpenDefault startup:$./mongodb Default data save path:/data/db/default port: 27017To Modify the default path:--dbpath$./mongdb--dbpath/mongodb/point the data storage location to a directory of your own/mongodb/To Modify the default port:--port$./mongdb--port 20111 Change the service port to 20111, this is for security, using the default port is easy to

Tags: com point like SRC Three points can't education sharing industry assistanceRecently, a lot of industry in the big guy about the CMDB voice, the CMDB's attention continued to rise, the CMDB's past is full of freckles ugly daughter-in-law, minced not to be seen so many years, finally boil up to see in-laws. Oh, who can understand her virtuous? On the other, in reading a number of Daniel's article found that the mention of configuration maintenance

database and table are synchronized: D:\program_file\mongo\mongodb\bin>mongo-port 18002 MongoDB Shell version:2.4.8 Connecting To:127.0.0.1:18002/test Server has startup warnings: Thu Mar 11:44:17.236 [Initandlisten] Thu 11:44:17.236 [Initandlisten] * * Note:this is a bit MongoDB binary. Thu 11:44:17.236 [Initandlisten] * * Bit builds are limited to less than 2G

To help you understand some maintenance content during maintenance and avoid errors. The following are some common knowledge about routine server maintenance for your reference. Common knowledge about routine server maintenance: hardware maintenance Common sense of routine

MongoDB study NOTE 1: The download and installation of MongoDB are relatively idle over the past few days. I am going to learn about the MongoDB database. Today I have simply learned how to download and install MongoDB, and created a data warehouse that stores MongoDB. Share