Hi All,
I’m trying to access HDFS on behalf of another user. I’m trying this with the
following application
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.security.UserGroupInformation;
import
Hi All
I have setup the multi node hadoop cluster . but when is run the simple map
reduce job it gives me the following error the in the data nodes container
log .
Im running the hadoop 2.7.3 version
In namenode which contain resource manager as well . i ran below job
hadoop jar
Hi,
I usually get this error when the yarn-site.xml is not on the class path
and it picks up a default 0.0.0.0. I would try:
1. bin/yarn jar
./share/hadoop/mapreduce/hadoop-mapreduce-examples-2.7.3.jar pi 1 1000
2. explicitly adding $HADOOP_HOME/etc/hadoop to your client classpath
3. make sure
Hi
I believe there is no nice way to prevent preemption from specific queue.
Only thing we can do is disabling preemption completely.
yarn.scheduler.fair.preemption
true
From Hadoop 2.9.0 or 3.0.0-alpha1 we will be able to use allowPreemptionFrom
property to forbid preemption from
