Unanswered questions in Big Data Hadoop

0 votes
0 answers

Is there any alternative for edureka vm ?

Hi there, Thank you for taking your time ...READ MORE

May 10 in Big Data Hadoop by preetham
• 120 points
65 views
0 votes
0 answers

Real time access to data in hadoop

We need to store customer billing data ...READ MORE

Apr 30 in Big Data Hadoop by anonymous
• 120 points
27 views
0 votes
0 answers

Hi. I keep on encountering the follow error when running conf in flume via flume-ng at line 189. Any possible solutions?

Running FLUME agent :     class: org.apache.flume.node.Application     arguments: -n agent1 ...READ MORE

Apr 22 in Big Data Hadoop by anonymous
• 120 points
48 views
0 votes
0 answers

Grant role is getting error, while executing

Hi, I am trying to grant a role ...READ MORE

Feb 13 in Big Data Hadoop by Mahboob
• 140 points
134 views
0 votes
0 answers

Sentry: Grant role is getting error, while executing

Hi, Sentry: I am trying to grant a ...READ MORE

Feb 13 in Big Data Hadoop by Mahboob
• 140 points
142 views
0 votes
0 answers

HIve sql multiple conditions in where cluase

Hi, My table has created_date, changed_date in datetime ...READ MORE

Feb 12 in Big Data Hadoop by syam
• 120 points

edited Feb 12 by Gitika 118 views
0 votes
0 answers

how to make an existing hadoop cluster self adaptive?

i have a hadoop cluster of 10 ...READ MORE

Feb 10 in Big Data Hadoop by Sanjana
• 140 points
79 views
+2 votes
0 answers

MapReduce Job is failed: "Job failed as tasks failed. failed Maps:1 failed Reduces:0"

Hi everyone This is an error that I'm ...READ MORE

Jan 17 in Big Data Hadoop by akhtar
• 9,910 points
83 views
+1 vote
0 answers

Hadoop Mapreduce : Null Pointer Exception

While running the below program, I got ...READ MORE

Dec 5, 2019 in Big Data Hadoop by Tarun
• 160 points
241 views
+2 votes
0 answers
+1 vote
0 answers

Oozie filter all coordinator jobs based on nominalTime

Hi Edureka team. I would like to ...READ MORE

Nov 11, 2019 in Big Data Hadoop by Thayanban
• 130 points
183 views
+1 vote
0 answers

Class not found exception in wordcount program in mapreduce

import org.apache.hadoop.conf.Configuration; import org.apache.hadoop.fs.Path; import java.io.IOException; import org.apache.hadoop.mapreduce.lib.output.FileOutputFormat; import org.apache.hadoop.mapreduce.*; import org.apache.hadoop.mapreduce.lib.input.FileInputFormat; import ...READ MORE

Oct 3, 2019 in Big Data Hadoop by Tarun
• 160 points

edited Oct 3, 2019 by Omkar 156 views
+1 vote
0 answers

Missing Service request

Hello All, need assistance on one issue. ...READ MORE

Sep 17, 2019 in Big Data Hadoop by Hemanth
• 240 points
57 views
+1 vote
0 answers

Directory not found while using java -classpath

I'm using command java -classpath  ${HADOOP_CLASSPATH} -d '/home/shravanth/Desktop/wordcount/classes' ...READ MORE

Sep 14, 2019 in Big Data Hadoop by shravanth
65 views
+1 vote
0 answers

hdfs namenode -format not working, not showing anything.

can someone help me with this please, ...READ MORE

Sep 6, 2019 in Big Data Hadoop by nar
78 views
+3 votes
0 answers

How to handle Sqoop failure program and restart the job from failed tables?

When running a Sqoop jobs on a ...READ MORE

Aug 29, 2019 in Big Data Hadoop by Kunal
• 150 points

edited Sep 5, 2019 by Kunal 395 views
0 votes
0 answers

Cloudera Certification

Hi, I want to write CCA-175 (CCA Spark ...READ MORE

Aug 23, 2019 in Big Data Hadoop by Nagajyothi
• 160 points
69 views
0 votes
0 answers

HIve query data dates issue

Hello All, I am facing one issue, my ...READ MORE

Aug 21, 2019 in Big Data Hadoop by anonymous

edited Aug 22, 2019 by Omkar 99 views
0 votes
0 answers

How to replicate task so that a task will be computed by two mappers? Or each task will be done twice.

i want replicate task of mapper but ...READ MORE

Aug 20, 2019 in Big Data Hadoop by dodo aly
34 views
+1 vote
0 answers

Output of dump command has empty records

this is my input file output_pig_group_education_comma/input_load.txt and its ...READ MORE

Aug 10, 2019 in Big Data Hadoop by Manju Bhargavi
81 views
0 votes
0 answers

ava.sql.SQLException: Error while processing statement:

Hi everyone, I am facing one issue ...READ MORE

Aug 7, 2019 in Big Data Hadoop by Hemanth
• 240 points

edited Aug 7, 2019 by Omkar 318 views
0 votes
0 answers

Job failed as tasks failed. failedMaps

Hello All, I am new to hadoop, i ...READ MORE

Aug 1, 2019 in Big Data Hadoop by Hemanth
• 240 points

edited Aug 1, 2019 by Omkar 1,291 views
0 votes
0 answers
0 votes
0 answers

Sqoop exclude tables

How to exclude tables in sqoop if ...READ MORE

Jul 25, 2019 in Big Data Hadoop by Will
57 views
0 votes
0 answers

pattern mapreduce

i need to write some mapreduce pattern ...READ MORE

Jul 23, 2019 in Big Data Hadoop by tiza
57 views
0 votes
0 answers

what are the commonly used Spark ecosystem?

Can someone mention what are the commonly ...READ MORE

Jul 1, 2019 in Big Data Hadoop by ranjan
57 views
0 votes
0 answers

Hive data load error

I have table in hive with below ...READ MORE

Jun 19, 2019 in Big Data Hadoop by Rishi
38 views
0 votes
0 answers

Command to initiate MapReduce which provide decent UI?

I am new to MapReduce and want ...READ MORE

Jun 14, 2019 in Big Data Hadoop by Rachna
49 views
0 votes
0 answers

How to run WebHCat using Hive?

How can I run WebHCat using hive ...READ MORE

May 17, 2019 in Big Data Hadoop by Rishi
84 views
0 votes
0 answers

Explain to me the HUE.

I am kind of new to Big-Data ...READ MORE

May 16, 2019 in Big Data Hadoop by nitinrawat895
• 10,920 points
62 views
0 votes
0 answers

What is the motivation behind developing Hive?

Hey, I am learning Hive in a basic ...READ MORE

May 8, 2019 in Big Data Hadoop by dyna
56 views
0 votes
0 answers

How run wordcount on multi node hadoop using eclipse?

Apr 24, 2019 in Big Data Hadoop by حسين
• 200 points

recategorized Apr 24, 2019 by Omkar 118 views
0 votes
0 answers

hey,can you help me

I am install hadoop and runing program ...READ MORE

Apr 11, 2019 in Big Data Hadoop by faris
57 views
0 votes
0 answers

Nutch with hadoop 2.7 error "GC overhead limit exceeded"

I have a small cluster of 5 ...READ MORE

Apr 10, 2019 in Big Data Hadoop by Hafiz
• 170 points
222 views
0 votes
0 answers

How to import Flat files in Hadoop using sqoop?

It is possible to import data between ...READ MORE

Apr 9, 2019 in Big Data Hadoop by Gitika
• 29,010 points
140 views
0 votes
0 answers

What are Hadoop daemons? What are their live examples?

First of all why Hadoop daemon are ...READ MORE

Apr 4, 2019 in Big Data Hadoop by rashmi
280 views
0 votes
0 answers

Difference between Name node and Secondary Name node

Explain to me the difference between the ...READ MORE

Mar 26, 2019 in Big Data Hadoop by nitinrawat895
• 10,920 points
49 views
0 votes
0 answers

How Pig programming gets converted into MapReduce jobs?

Could you please give me a brief ...READ MORE

Feb 21, 2019 in Big Data Hadoop by Neha
• 6,280 points
59 views
0 votes
0 answers
0 votes
0 answers

wordcount example not running on edureka vm

Hi, wordcount example failing on edureka vm(VM is ...READ MORE

Dec 25, 2018 in Big Data Hadoop by PRASAD
• 120 points
100 views
0 votes
0 answers

Number of tasks submitted and executed within the day in hadoop

Tasks Write a software application, service, daemon or ...READ MORE

Dec 11, 2018 in Big Data Hadoop by Irfan
• 120 points
56 views
0 votes
0 answers

Is the Hadoop scalability linear or proportional to number of nodes?

Is it common to see this sentence: ...READ MORE

Nov 27, 2018 in Big Data Hadoop by Jins
• 140 points
264 views
+1 vote
0 answers

How to set up Hadoop cluster on Mac in intelliJ IDEA

I have Installed hadoop using brew and ...READ MORE

Jul 25, 2018 in Big Data Hadoop by Neha
• 6,280 points
296 views
0 votes
0 answers

Docker: Access a service on host from a container

Mar 26, 2018 in Big Data Hadoop by shubham
• 6,910 points
56 views