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What is the role and usage of WebApi+EF Core lightweight file system in ASP.NET Core? many novices are not very clear about this. In order to help you solve this problem, the following editor will explain it in detail. People with this need can come and learn. I hope you can get something.

1. What is a file system?

The software organization responsible for managing and storing file information in the operating system is called the file management system, referred to as the file system.

The file system contains format files such as .jpg / .png images, .txt text, .mp3 audio, pdf format, and so on.

2. The technical knowledge points you will master in the future after learning this article

1) practical application of ASP.NET Core WebApi, proficient in uploading, downloading and displaying API files.

2) practical application of EF Core.

3) practical application of POST debugging tips.

4), how to upload and download files from Cramp S client.

Description:

First, I would like to tell you that the reason for choosing NET Core is that it can be migrated to the Linux operating system across platforms.

Second, EF Core is chosen as the database persistence access technology because it supports automatic migration to generate table structure, and EF can support a variety of relational databases, such as MS SQL SERVER and Mysql.

II. Practical exercise of ASP.NET Core WebApi+EF Core lightweight file system

IV. Thinking and summarizing

Single machine storage, storage capacity is limited.

Cannot scale horizontally because files on multiple machines cannot be shared and cannot be accessed.

The data is not backed up and there is a risk of a single point of failure

Poor concurrency.

At this point, it is best to use distributed file storage instead of local file storage.

How to design a lightweight distributed file system?

1. How to upgrade to a distributed file system based on the lightweight file system we are learning today in the easiest way?

2. Brief introduction of distributed file system

Distributed file system (Distributed File System) means that the physical storage resources managed by the file system are not necessarily directly connected to the local node, but are connected to the node (which can be simply understood as a computer) through the computer network.

There are many open source distributed storage systems, such as Ceph, GlusterFS, HDFS, TFS, FastDFS and so on. These systems are relatively complex, with tens of millions of lines of code, and these systems have a high threshold for beginners, especially for students who are engaged in the non-distributed storage industry but want to learn distributed across lines. But I don't know how to start. FastDFS is recommended by Aben here.

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