Most answered questions in Big Data Hadoop

+1 vote
1 answer

Where to set hadoop.tmp.dir? core-site.xml or hdfs-site.xml?

hadoop.tmp.dir (A base for other temporary directories) is ...READ MORE

Mar 26, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 8,538 views
+1 vote
1 answer

Is Hadoop only Framework in Big Data Ecosystem ?

Actually there are many other frameworks, one of ...READ MORE

Mar 26, 2018 in Big Data Hadoop by Ashish
 • 2,650 points • 778 views
+1 vote
1 answer

Hadoop home path?

you can manually input the hadoop home ...READ MORE

Mar 26, 2018 in Big Data Hadoop by Ashish
 • 2,650 points • 6,730 views
+1 vote
1 answer

HDFS Permission

You have to check permissions on the ...READ MORE

Mar 26, 2018 in Big Data Hadoop by Ashish
 • 2,650 points • 686 views
0 votes
1 answer

Joining Multiple Spark Dataframes

You can run the below code to ...READ MORE

Mar 26, 2018 in Big Data Hadoop by Bharani
 • 4,660 points • 2,651 views
0 votes
1 answer

Hadoop vs Data Lake

A data lake is a storage repository that holds ...READ MORE

Mar 26, 2018 in Big Data Hadoop by Ashish
 • 2,650 points • 1,668 views
0 votes
1 answer

Testing methods used by a Hadoop developer ?

As such, there is no exact way ...READ MORE

Mar 26, 2018 in Big Data Hadoop by Ashish
 • 2,650 points • 629 views
0 votes
1 answer

Hadoop MapReduce vs MongoDB MapReduce

Hadoop vs MongoDB MR: 1) Hadoop's MR can ...READ MORE

Mar 26, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 1,201 views
0 votes
1 answer

How to set a custom install directory for a deb package with fpm

Here's something that you can try... the last ...READ MORE

Mar 26, 2018 in Big Data Hadoop by Amrinder
 • 140 points • 1,151 views
0 votes
1 answer

How can I get the respective Bitcoin value for an input in USD when using c#

Simply make call to server and parse ...READ MORE

Mar 25, 2018 in Big Data Hadoop by charlie_brown
 • 7,720 points • 782 views
0 votes
1 answer

Hadoop security GroupMappingServiceProvider exception for Spark job via Dataproc API

One of the reason behin you getting ...READ MORE

Mar 23, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 738 views
+2 votes
1 answer

Is Kafka and Zookeeper are required in a Big Data Cluster?

Apache Kafka is one of the components ...READ MORE

Mar 23, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 1,893 views
0 votes
1 answer

Access DFS through Java API

It is because, may be you are ...READ MORE

Mar 23, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 1,734 views
0 votes
1 answer

What is Hue?

As you said, Hue is a web ...READ MORE

Mar 22, 2018 in Big Data Hadoop by Ashish
 • 2,650 points
edited Mar 22, 2018 by Ashish • 3,411 views
0 votes
1 answer

How to integrate Hadoop with Elasticsearch?

The HDFS snapshot/restore plugin comes in three ...READ MORE

Mar 22, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 1,229 views
0 votes
1 answer

Is there a way to copy data from one one Hadoop distributed file system(HDFS) to another HDFS?

The distributed copy command, distcp, is a ...READ MORE

Mar 22, 2018 in Big Data Hadoop by Ashish
 • 2,650 points • 9,503 views
0 votes
1 answer

What is ClickStream Data Analysis

On a Web site, clickstream analysis (also ...READ MORE

Mar 22, 2018 in Big Data Hadoop by kurt_cobain
 • 9,390 points • 1,025 views
0 votes
1 answer

Is there any Relationship between Hadoop and Databases?

As such, there is no relationship between ...READ MORE

Mar 22, 2018 in Big Data Hadoop by kurt_cobain
 • 9,390 points • 563 views
0 votes
1 answer

How to create a FileSystem object that can be used for reading from and writing to HDFS?

Read operation on HDFS In order to read ...READ MORE

Mar 21, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points
edited Mar 22, 2018 by nitinrawat895 • 2,690 views
0 votes
1 answer

How to install and configure a multi-node Hadoop cluster?

I would recommend you to install Cent ...READ MORE

Mar 22, 2018 in Big Data Hadoop by Shubham
 • 13,490 points • 2,150 views
0 votes
1 answer

How Impala is fast compared to Hive in terms of query response?

Impala provides faster response as it uses MPP(massively ...READ MORE

Mar 21, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 1,903 views
0 votes
1 answer

How to install Hadoop on Ubuntu?

You can refer to this blog by ...READ MORE

Mar 21, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 1,223 views
0 votes
1 answer

How can I download hadoop documentation for a specific version?

You can go through this SVN link:- ...READ MORE

Mar 22, 2018 in Big Data Hadoop by Shubham
 • 13,490 points • 630 views
0 votes
1 answer

Unable to install RHadoop Packages?

I would recommend you to follow https://github.com/RevolutionAnalytics/rhadoop/wiki/Installing-RHadoop-on-RHEL ...READ MORE

Mar 22, 2018 in Big Data Hadoop by Shubham
 • 13,490 points • 1,400 views
0 votes
1 answer

How to run example codes of Hadoop Definitive Guide book?

You will find multiple git repositories where ...READ MORE

Mar 21, 2018 in Big Data Hadoop by Shubham
 • 13,490 points • 861 views
0 votes
1 answer

Where can I find hadoop-streaming.jar JAR file?

You will find the streaming jar here: ...READ MORE

Mar 21, 2018 in Big Data Hadoop by coldcode
 • 2,080 points • 6,552 views
+1 vote
1 answer

I installed Spark but while executing command, I am getting ‘hadoop’ command not found error?

For accessing Hadoop commands & HDFS, you ...READ MORE

Mar 21, 2018 in Big Data Hadoop by Shubham
 • 13,490 points • 1,992 views
–1 vote
1 answer

Hadoop dfs -ls command?

In your case there is no difference ...READ MORE

Mar 16, 2018 in Big Data Hadoop by kurt_cobain
 • 9,390 points • 4,307 views
0 votes
1 answer

How to run Hadoop in Docker containers?

Hi, You can run Hadoop in Docker container. Follow ...READ MORE

Jan 24, 2020 in Big Data Hadoop by MD
 • 95,440 points • 1,834 views
0 votes
1 answer

How to get started with Hadoop?

Well, hadoop is actually a framework that ...READ MORE

Mar 21, 2018 in Big Data Hadoop by coldcode
 • 2,080 points • 924 views
0 votes
1 answer

What do we exactly mean by “Hadoop” – the definition of Hadoop?

The official definition of Apache Hadoop given ...READ MORE

Mar 16, 2018 in Big Data Hadoop by Shubham
 • 1,643 views
0 votes
1 answer

Why does my yarn application not have logs even with logging enabled?

yarn application -list command shows you all ...READ MORE

Mar 19, 2018 in Big Data Hadoop by kurt_cobain
 • 9,390 points • 4,600 views
0 votes
1 answer

How can I download only hdfs and not hadoop?

No, you cannot download HDFS alone because ...READ MORE

Mar 16, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 1,129 views
0 votes
1 answer

How to sync Hadoop configuration files to multiple nodes?

For syncing Hadoop configuration files, you have ...READ MORE

Jun 21, 2018 in Big Data Hadoop by HackTheCode
 • 1,190 views
0 votes
1 answer

The file exists before processing with hadoop command

Took session and it got resolved. READ MORE

Dec 18, 2017 in Big Data Hadoop by Sudhir
 • 1,610 points • 826 views
0 votes
0 answers

EXCEL: How to automatically add serial number in Excel Table using formula that is immune to filtering / sorting?

I want to create an Excel Table ...READ MORE

Mar 24, 2022 in Big Data Hadoop by Edureka
 • 13,670 points • 2,653 views
0 votes
0 answers

what are the five v's of big data

Feb 4, 2022 in Big Data Hadoop by surbhi
 • 3,810 points • 442 views
0 votes
0 answers

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 • 373 views
0 votes
0 answers

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 • 276 views
0 votes
0 answers

what are the characteristics of big data?

Jan 5, 2022 in Big Data Hadoop by Edureka
 • 13,620 points • 237 views
0 votes
0 answers

what is big data technology?

Dec 17, 2021 in Big Data Hadoop by Edureka
 • 13,620 points • 314 views
0 votes
0 answers

What is Big Data Analytics?

Dec 10, 2021 in Big Data Hadoop by surbhi
 • 3,810 points • 280 views
0 votes
0 answers

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 • 630 views
0 votes
0 answers

What is Hadoop Cluster?

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

Dec 9, 2021 in Big Data Hadoop by Kavya
 • 700 points • 436 views
0 votes
0 answers

What is Hadoop Cluster?

What is Hadoop Cluster? READ MORE

Dec 2, 2021 in Big Data Hadoop by Kavya
 • 700 points • 228 views
0 votes
0 answers

What is Hadoop?

What is Hadoop? READ MORE

Dec 2, 2021 in Big Data Hadoop by Kavya
 • 700 points • 355 views
0 votes
0 answers

What was Hadoop named after?

Nov 25, 2021 in Big Data Hadoop by Edureka
 • 12,690 points • 428 views
0 votes
0 answers

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 • 527 views
0 votes
0 answers

hadoop namenode ~format

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

Nov 10, 2021 in Big Data Hadoop by anonymous
 • 140 points • 698 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 • 278 views
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