Unanswered questions in Big Data Hadoop

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what are the five v's of big data

Feb 4, 2022 in Big Data Hadoop by surbhi
• 3,810 points
490 views
0 votes
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what is big data with examples

what is big data with examples READ MORE

Feb 1, 2022 in Big Data Hadoop by surbhi
• 3,810 points
401 views
0 votes
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what are the problems associated with big data

what are the problems associated with big ...READ MORE

Jan 7, 2022 in Big Data Hadoop by surbhi
• 3,810 points
332 views
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what are the characteristics of big data?

Jan 5, 2022 in Big Data Hadoop by Edureka
• 13,620 points
265 views
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what is big data technology?

Dec 17, 2021 in Big Data Hadoop by Edureka
• 13,620 points
343 views
0 votes
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What is Big Data Analytics?

Dec 10, 2021 in Big Data Hadoop by surbhi
• 3,810 points
337 views
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Which of the following platforms does hadoop run on?

Which of the following platforms does hadoop ...READ MORE

Dec 10, 2021 in Big Data Hadoop by Kavya
• 700 points
708 views
0 votes
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What is Hadoop Cluster?

Cluster is a collection of something, a ...READ MORE

Dec 9, 2021 in Big Data Hadoop by Kavya
• 700 points
495 views
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What is Hadoop Cluster?

What is Hadoop Cluster? READ MORE

Dec 2, 2021 in Big Data Hadoop by Kavya
• 700 points
287 views
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What is Hadoop?

What is Hadoop? READ MORE

Dec 2, 2021 in Big Data Hadoop by Kavya
• 700 points
381 views
0 votes
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What was Hadoop named after?

Nov 25, 2021 in Big Data Hadoop by Edureka
• 12,690 points
469 views
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WARNING: Use of this script to execute namenode is deprecated. WARNING:

am getting the following errot when i ...READ MORE

Nov 10, 2021 in Big Data Hadoop by anonymous
• 140 points
590 views
0 votes
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hadoop namenode ~format

When i type  hadoop namenode ~format WARNING: Use ...READ MORE

Nov 10, 2021 in Big Data Hadoop by anonymous
• 140 points
748 views
0 votes
0 answers

trying to execute python wordcount program but command stuck

HI  I am learning Hadoop, I have tried ...READ MORE

Oct 10, 2021 in Big Data Hadoop by Yogeshwar
• 120 points
309 views
0 votes
0 answers

What are the pros and cons of parquet format compared to other formats?

Hi Team, I am new to Hadoop I ...READ MORE

Dec 21, 2020 in Big Data Hadoop by akhtar
• 38,230 points
1,812 views
0 votes
0 answers

What is the difference between partitioning and bucketing a table in Hive ?

Hi Team, I am new to Hive. I ...READ MORE

Dec 20, 2020 in Big Data Hadoop by akhtar
• 38,230 points
1,312 views
+1 vote
0 answers

How to export all collections in MongoDB?

Hi Team, I have one database in MongoDB. ...READ MORE

Dec 17, 2020 in Big Data Hadoop by akhtar
• 38,230 points
544 views
0 votes
0 answers

Enable HA for mapreduce jobhistory server

Hi Team, From past few days I am ...READ MORE

Sep 23, 2020 in Big Data Hadoop by Shilpa S
• 450 points
1,138 views
0 votes
0 answers

How I can kill the jobs using jobID running in local mode with Hadoop

I am Running hadoop jobs in local ...READ MORE

Aug 26, 2020 in Big Data Hadoop by kamboj
• 140 points
2,091 views
0 votes
0 answers

Data import using sqoop to Hive

Hello Everyone, I am trying to import data ...READ MORE

Jul 3, 2020 in Big Data Hadoop by anonymous
• 120 points
944 views
0 votes
0 answers
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Real time access to data in hadoop

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

Apr 30, 2020 in Big Data Hadoop by anonymous
• 120 points
863 views
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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 23, 2020 in Big Data Hadoop by anonymous
• 120 points
1,180 views
0 votes
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Grant role is getting error, while executing

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

Feb 14, 2020 in Big Data Hadoop by Mahboob
• 140 points
682 views
0 votes
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Sentry: Grant role is getting error, while executing

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

Feb 14, 2020 in Big Data Hadoop by Mahboob
• 140 points
826 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, 2020 in Big Data Hadoop by syam
• 120 points

edited Feb 12, 2020 by Gitika 2,279 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, 2020 in Big Data Hadoop by akhtar
• 38,230 points
1,221 views
+1 vote
0 answers

Hadoop Mapreduce : Null Pointer Exception

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

Dec 6, 2019 in Big Data Hadoop by Tarun
• 160 points
1,399 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 12, 2019 in Big Data Hadoop by Thayanban
• 130 points
1,012 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 1,529 views
+1 vote
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Missing Service request

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

Sep 17, 2019 in Big Data Hadoop by Hemanth
• 250 points
603 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
489 views
+1 vote
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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
1,059 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
565 views
0 votes
0 answers

HIve query data dates issue

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

Aug 22, 2019 in Big Data Hadoop by anonymous

edited Aug 22, 2019 by Omkar 962 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 21, 2019 in Big Data Hadoop by dodo aly
443 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
976 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
• 250 points

edited Aug 7, 2019 by Omkar 1,948 views
+1 vote
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
• 250 points

edited Aug 1, 2019 by Omkar 7,221 views
0 votes
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Sqoop exclude tables

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

Jul 25, 2019 in Big Data Hadoop by Will
514 views
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pattern mapreduce

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

Jul 23, 2019 in Big Data Hadoop by tiza
399 views
0 votes
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what are the commonly used Spark ecosystem?

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

Jul 2, 2019 in Big Data Hadoop by ranjan
442 views
0 votes
0 answers

How to Execute job in oozie?

Can anyone explain how to execute Job ...READ MORE

Jun 26, 2019 in Big Data Hadoop by ritam
552 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
568 views
0 votes
0 answers

How to execute job In Oozie?

Can anyone suggest which command to use ...READ MORE

Jun 17, 2019 in Big Data Hadoop by rena
396 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
444 views