The additional chapter of the python crawler. The installation of mongodb and redis databases on the machine on the master node is not an apt method.
It is found that data crawled by crawlers is stored according to the table structure, which is not
It is not only cumbersome but also very redundant to find data crawled by crawlers that are stored in a table structure.Try this non-relational database to try out how the store works.I'm not going to compare it with Redis, because he's a memory
Install and configure MongoDB in Ubuntu 16.04 LTS
MongoDB is a high-performance NoSQL database. Compared with relational databases, it also provides high performance and high flexibility. Here we will explain how to install and configure the MongoDB
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Overview
MongoDB has been widely used as a NoSQL Database in recent years. More and more enterprises are trying to use MongoDB instead of the original Database. MongoDB also performs well in clusters, sharding, and replication. I will introduce various
MongoDB is a high-performance NoSQL database that offers both high performance and flexibility over relational databases, here's how to install and configure the MongoDB database on Ubuntu 16.04 lts.Add a software source[email protected] ~/ $ sudo
MongoDB has been widely used as a NoSQL Database in recent years. More and more enterprises are trying to use MongoDB instead of the original Database. MongoDB also performs well in clusters, sharding, and replication. I will introduce various
Add by Zhj: directly from the fourth step can be, and after the installation of MongoDB will automatically start, do not have to execute the start commandOriginal: https://docs.mongodb.com/manual/tutorial/install-mongodb-on-ubuntu/I. OverviewWith
1. Install MongoDB.1. Import the public key for the package management system. Ubuntu software package management tool to ensure package consistency and reliability requires a GPG key to verify the package. Use the following command to import
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