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Editor to share with you the example analysis of the HDFS file writing process, I believe that most people do not know much about it, so share this article for your reference, I hope you can learn a lot after reading this article, let's go to know it!

Figure understanding:

Explain the process of HDFS writing in detail:

The 1.Client client issues a request for open to the Distributed FileSystem distributed file system

2.Distributed FileSystem will send a request for information about the location of the block to NN.

3.Distributed FileSystem gets the location information of the block (what NN returns to Distributed FileSystem is actually the FileSystem object, which includes the location information of the block)

4. Then use outputstream stream to DN to achieve the write operation.

The above is all the contents of the article "sample Analysis of HDFS document Writing process". Thank you for reading! I believe we all have a certain understanding, hope to share the content to help you, if you want to learn more knowledge, welcome to follow the industry information channel!

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