I am new to Hadoop. I am trying to install Hadoop on ubuntu. But while starting the Hadoop daemons, it is showing me the following error.
ERROR: Cannot set priority of datanode process
You need to set JAVA_HOME and HADOOP_HOME in the .bashrc file. Your Hadoop daemons may not able to find these environment variables.
The map tasks created for a job ...READ MORE
See if you can share the screenshot ...READ MORE
If you set number of reducers as ...READ MORE
Make sure that you have removed the ...READ MORE
You can use dfsadmin which runs a ...READ MORE
hdfs dfsadmin -report
This command tells fs ...READ MORE
Firstly you need to understand the concept ...READ MORE
org.apache.hadoop.mapred is the Old API
org.apache.hadoop.mapreduce is the ...READ MORE
You are trying to filter data from ...READ MORE
By default, the parameter "dfs.datanode.failed.volumes.tolerated" is set ...READ MORE
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