Most voted questions in Big Data Hadoop

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what was Hadoop written in?

The Hadoop framework is primarily developed in ...READ MORE

Dec 14, 2021 in Big Data Hadoop by Edureka
• 12,690 points
518 views
0 votes
1 answer

what is hbase in hadoop?

HBase is an open-source non-relational distributed database ...READ MORE

Dec 14, 2021 in Big Data Hadoop by anonymous
547 views
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1 answer

What is apache hadoop?

Apache Hadoop is an open-source framework that ...READ MORE

Dec 14, 2021 in Big Data Hadoop by anonymous
494 views
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0 answers

What is Big Data Analytics?

Dec 10, 2021 in Big Data Hadoop by surbhi
• 3,810 points
240 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
558 views
0 votes
1 answer

Which of the following is the daemon of Hadoop?

Hadoop is an open-source software framework for ...READ MORE

Dec 10, 2021 in Big Data Hadoop by CoderGirl
• 500 points
4,865 views
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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
374 views
0 votes
1 answer

Which among the following are the Features of Hadoop?

Apache Hadoop is a collection of open-source ...READ MORE

Dec 9, 2021 in Big Data Hadoop by Kavya
• 700 points
1,873 views
0 votes
1 answer

What is the extension of archive file created in Hadoop?

Hadoop archive is a facility which packs ...READ MORE

Dec 9, 2021 in Big Data Hadoop by Kavya
• 700 points
1,331 views
0 votes
1 answer

What does Commodity Hardware in Hadoop World mean?

An important component of the Hadoop Ecosystem ...READ MORE

Dec 9, 2021 in Big Data Hadoop by Kavya
• 700 points
3,610 views
0 votes
1 answer

What was Hadoop written in?

The Hadoop framework is mostly written in ...READ MORE

Dec 9, 2021 in Big Data Hadoop by Kavya
• 700 points
2,248 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
184 views
0 votes
1 answer

What was Hadoop named after?

The creator of Hadoop, Doug Cutting named ...READ MORE

Dec 10, 2021 in Big Data Hadoop by CoderGirl
• 500 points
2,484 views
0 votes
0 answers

What is Hadoop?

What is Hadoop? READ MORE

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

What is Hadoop used for?

Apache Hadoop is an open-source framework that ...READ MORE

Dec 10, 2021 in Big Data Hadoop by CoderGirl
• 500 points
375 views
0 votes
0 answers

What was Hadoop named after?

Nov 25, 2021 in Big Data Hadoop by Edureka
• 12,690 points
401 views
0 votes
1 answer

What is Big Data?

Big data is a term that refers ...READ MORE

Nov 24, 2021 in Big Data Hadoop by Edureka
• 12,690 points
329 views
0 votes
1 answer

What is Hadoop?

Hadoop is simply a free and open-source ...READ MORE

Nov 24, 2021 in Big Data Hadoop by Edureka
• 12,690 points
324 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
476 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
653 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
260 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
1,670 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
1,199 views
0 votes
1 answer

What is the purpose of shuffling and sorting phase in the reducer in Map Reduce?

Hi@akhtar, Shuffle phase in Hadoop transfers the map output from ...READ MORE

Dec 20, 2020 in Big Data Hadoop by MD
• 95,440 points
6,198 views
0 votes
1 answer

How to show all partitions of a table in Hive?

Hi@akhtar, You can list down all the partitions ...READ MORE

Dec 18, 2020 in Big Data Hadoop by MD
• 95,440 points
4,685 views
0 votes
1 answer

Is there any way to get the column name along with the output while execute any query in Hive?

If we want to see the column ...READ MORE

Dec 8, 2020 in Big Data Hadoop by Gitika
• 65,910 points
812 views
0 votes
1 answer

Where does hive stores its table?

With an external table the data itself ...READ MORE

Dec 7, 2020 in Big Data Hadoop by Gitika
• 65,910 points
509 views
0 votes
1 answer

How input splits are done when 2 blocks are spread across different nodes?

Hadoop doesn't copy the blocks to the ...READ MORE

Dec 7, 2020 in Big Data Hadoop by Gitika
• 65,910 points
887 views
0 votes
1 answer

How do I split a string on a delimiter in Bash?

You can set the internal field separator (IFS) variable, ...READ MORE

Dec 7, 2020 in Big Data Hadoop by Gitika
• 65,910 points
921 views
0 votes
1 answer

Name node is in safe mode. Not able to leave

In order to forcefully let the namenode ...READ MORE

Dec 7, 2020 in Big Data Hadoop by Gitika
• 65,910 points
1,663 views
0 votes
1 answer

I am getting this log4j:ERROR setFile(null,true) call failed. java.io.FileNotFoundException: /ozone.log (Read-only file system)

Hi@Raj, I think you need to provide permission ...READ MORE

Dec 4, 2020 in Big Data Hadoop by MD
• 95,440 points
8,133 views
0 votes
1 answer

How can I import data from mysql to hive tables with incremental data?

Hi@dharmendra, It is common to perform one-time ingestion ...READ MORE

Nov 23, 2020 in Big Data Hadoop by MD
• 95,440 points
995 views
0 votes
1 answer

If i enable zookeeper secrete manager getting java file not found

Hey, @Shilpa, What did you set the ownership ...READ MORE

Nov 23, 2020 in Big Data Hadoop by Gitika
• 65,910 points
398 views
0 votes
2 answers

How do I output the results of a HiveQL query to CSV?

Hi, The insert overwrite directory is running in ...READ MORE

Dec 18, 2020 in Big Data Hadoop by akhtar
• 38,230 points
7,392 views
0 votes
2 answers

How to know Hive and Hadoop versions from command prompt?

Hi, Hadoop and hive have their individual commands. ...READ MORE

Dec 18, 2020 in Big Data Hadoop by akhtar
• 38,230 points
8,084 views
0 votes
1 answer

How to set variables in HIVE scripts

You need to use the special hiveconf for variable ...READ MORE

Nov 20, 2020 in Big Data Hadoop by Gitika
• 65,910 points
6,814 views
0 votes
1 answer

Difference between Pig and Hive? Why have both? [closed]

The hive was designed to appeal to ...READ MORE

Nov 20, 2020 in Big Data Hadoop by Gitika
• 65,910 points
384 views
0 votes
1 answer

User:hdfs not allowed to do 'DECRYPT_EEK' on 'key'.

Hi@Shilpa, I don't think you have given permission ...READ MORE

Nov 20, 2020 in Big Data Hadoop by MD
• 95,440 points
2,004 views
0 votes
1 answer

copyFromLocal: `/home/SANDHYA/downloads/game.csv': No such file or directory

Hi@Namrata, I think you are using the wrong ...READ MORE

Nov 19, 2020 in Big Data Hadoop by MD
• 95,440 points
1,020 views
0 votes
1 answer

How to use scala Map size() method?

The size() is utilized to find the number of ...READ MORE

Nov 17, 2020 in Big Data Hadoop by Gitika
• 65,910 points
605 views
0 votes
1 answer

error: value update is not a member of scala.collection.immutable.Map[String, Int]

Yes, If you try to update the value of ...READ MORE

Nov 17, 2020 in Big Data Hadoop by Gitika
• 65,910 points
4,787 views
0 votes
1 answer

How to use scala map as mutable map?

By default, Scala uses an immutable Map. ...READ MORE

Nov 17, 2020 in Big Data Hadoop by Gitika
• 65,910 points
530 views
0 votes
1 answer

How to create Scala Maps?

Maps can be created in different ways ...READ MORE

Nov 17, 2020 in Big Data Hadoop by Gitika
• 65,910 points
356 views
0 votes
1 answer

How to create an objects using a keyword new?

Example import java.io._ class Point(val xc: Int, val yc: ...READ MORE

Nov 17, 2020 in Big Data Hadoop by Gitika
• 65,910 points
366 views
0 votes
1 answer

How to declare a variable in Scala?

The following is an example program that ...READ MORE

Nov 16, 2020 in Big Data Hadoop by Gitika
• 65,910 points
418 views
0 votes
1 answer

How to import scala packages?

Scala packages can be imported so that ...READ MORE

Nov 16, 2020 in Big Data Hadoop by Gitika
• 65,910 points
445 views
0 votes
1 answer

How to write a Scala program in script mode?

Open notepad and add the following code ...READ MORE

Nov 16, 2020 in Big Data Hadoop by Gitika
• 65,910 points
800 views
0 votes
1 answer

How to execute scala programming?

We can execute a Scala program in ...READ MORE

Nov 16, 2020 in Big Data Hadoop by Gitika
• 65,910 points
571 views
0 votes
1 answer

How to start working with scala?

Scala can be installed on any UNIX ...READ MORE

Nov 16, 2020 in Big Data Hadoop by Gitika
• 65,910 points
335 views
0 votes
1 answer

Sqoop practice in Edureka VM

Hi, It is the same for all the ...READ MORE

Nov 16, 2020 in Big Data Hadoop by MD
• 95,440 points
495 views