Distributed parallel computing experiment WordCount word count
Test the WordCount function in Hadoop cluster
Goal: build a Hadoop development environment using Eclipse+Maven, and compile and run the official WordCount source code.
Create Hadoop project
establish
Maven
project
Creating
Maven
Please set it before the project
Maven
, at least
maven
Change the image ...
Added by Bad HAL 9000 on Mon, 20 Sep 2021 19:14:38 +0300
What exactly is the ScodendaryNameNode for HDFS
0-Preface
What does HDFS Secondary NameNode do?
This is a classic basic interview question, and the interviewer has asked the interviewer many times (and of course many times). From the impression, about half of the interviewees can't answer correctly, and even give the answer "is not NameNode's hobby". In order to save spa ...
Added by samusk on Thu, 09 Sep 2021 19:31:11 +0300