questions/big-data-hadoop/page/31
Mapper and reducer classes need to be ...READ MORE
You need to first download the packages ...READ MORE
Seems like your version of Hadoop does ...READ MORE
Default scheduler in hadoop is JobQueueTaskScheduler, which is ...READ MORE
Try hadoop fs -mkdir -p /user/[Username] and then run ...READ MORE
Make sure that you have removed the ...READ MORE
To find that, please try with below ...READ MORE
Here's the solution that worked for me: <dependency> ...READ MORE
setup: MultipleOutputs.addNamedOutput(job, "Output", TextOutputFormat.class, Text.class, Text.class); setup of reducer: mout ...READ MORE
One of the major pushes at SAS ...READ MORE
keep.task.files.pattern parameter can be used to keep the ...READ MORE
Add these lines to your weblogic-application.xml file ...READ MORE
I got this working with plain uncompressed ...READ MORE
You can access logs through the command yarn ...READ MORE
Define the HADOOP_CONF_DIR environment variable to your Hadoop configuration ...READ MORE
No, you can run spark without hadoop. ...READ MORE
FileSystem.get(conf) may return the local file system where ...READ MORE
Let me explain you the whole scenario. NameNode ...READ MORE
Hello. Knowing basics of Linux is mandatory ...READ MORE
The process where the intermediate results from ...READ MORE
Let's imagine your cluster as a tree ...READ MORE
Hey soujanyabargavi! NO, ExecuteProcess does not allow incoming ...READ MORE
Please try the below code and it ...READ MORE
If you are trying to access your ...READ MORE
This blog would give you answers to ...READ MORE
Here you go os.system('sudo -u hadoop bin/hadoop-daemon.sh stop ...READ MORE
It does not. As of today HADOOP-11890, which ...READ MORE
Apache Sqoop lets you import and export ...READ MORE
I had the same problem. And not ...READ MORE
It's a bit non-intuitive, but it turns ...READ MORE
First way is to use start-all.sh & ...READ MORE
You can spolve this by adding below ...READ MORE
It is now possible to insert like ...READ MORE
Hadoop runs on Unix and on Windows. ...READ MORE
The simplest solution for Linux machines would ...READ MORE
public class SequenceFilesTest { @Test ...READ MORE
You have heard it right. There is ...READ MORE
db.order.mapReduce(function() { emit (this.customer,{count:1,orderDate:this.orderDate.interval_start}) }, function(key,values){ var category; ...READ MORE
Well, it's so easy. Just enter the below ...READ MORE
Hadoop tester, like any other tester, has ...READ MORE
I'd like to point a few things. If ...READ MORE
We have to cache the values from ...READ MORE
In Hadoop 1, testmapredsort is launched from AllTestDriver.java, which was ...READ MORE
So when Hadoop was being written by ...READ MORE
Is it consistent or one-off reading? Is ...READ MORE
The behaviour that you are seeing is ...READ MORE
In order to forcefully let the namenode ...READ MORE
Sequence files are binary files containing serialized ...READ MORE
You can assign more memory by editing ...READ MORE
The decision to choose a particular file ...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.