Help me see if the Hadoop cluster is successfully built and running, right

CSDN Q & A 2022-02-13 07:32:45 阅读数:321

help hadoop cluster successfully built



Take the answer :

To make a JPS to glance at , See if there's any namenode and datanode process

Other answers 2:

You build hadoop colony , It should be jdk And configure environment variables , Type... On the command line jps, View the current process , Does the host contain namenode Process and datanode process , And whether the slave contains datanode The process of

Other answers 3:

jps look down then hadoop Just look at the log

Other answers 4:

jps Look at the master node and slave node Services ,
Log ,
Upload and download several files to hdfs, See if it works ,
stay yarn On the implementation hadoop Example program for , See if it works

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