88853/error-cannot-set-priority-of-datanode-process
Hi Team,
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
Hi@akhtar,
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
Hi@akhtar, You are trying to filter data from ...READ MORE
Hi@Arun, By default, the parameter "dfs.datanode.failed.volumes.tolerated" is set ...READ MORE
OR
At least 1 upper-case and 1 lower-case letter
Minimum 8 characters and Maximum 50 characters
Already have an account? Sign in.