Most viewed questions in Big Data Hadoop

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Help m setting up a multi node hadoop cluster

I can help you on this one. Requirement: ...READ MORE

Jun 20, 2019 in Big Data Hadoop by ravikiran
 • 4,620 points • 648 views
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1 answer

What does hadoop mean?

I see that you are confused about ...READ MORE

Mar 6, 2019 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 648 views
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1 answer

What do you understand by Filters in Hbase?

 Hey, Basically,  by allowing users to add limiting ...READ MORE

May 22, 2019 in Big Data Hadoop by Gitika
 • 65,910 points • 647 views
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1 answer

Operation to simulate a Hadoop Production Cluster

In this case, what you can do ...READ MORE

Aug 9, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 646 views
–1 vote
1 answer

Serde input and output

Input Processing Hive's execution engine (referred to as ...READ MORE

Dec 27, 2018 in Big Data Hadoop by Omkar
 • 69,230 points • 645 views
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 • 645 views
0 votes
1 answer

How to start Hadoop daemons?

Hi@MD, Before starting with the HDFS command, you have ...READ MORE

Oct 15, 2020 in Big Data Hadoop by akhtar
 • 38,230 points
edited Oct 16, 2020 by akhtar • 644 views
0 votes
1 answer

Issue with GPG Key retrieval which failed Hadoop Bigtop installation process.

 I understood your problem, I hope you can ...READ MORE

May 24, 2019 in Big Data Hadoop by ravikiran
 • 4,620 points • 644 views
0 votes
1 answer

Change HDFS Cluster configuration in hue

You have to set this in hue configuration file. ...READ MORE

May 29, 2019 in Big Data Hadoop by Tina
 • 639 views
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1 answer

How to set Zookeeper server in Hue?

You have to set the details of ...READ MORE

May 30, 2019 in Big Data Hadoop by John
 • 635 views
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1 answer

Can some one help me resolve this warning? It says "Unable to load Native-Hadoop library to your platform"

I understood the issue. I have faced ...READ MORE

Jun 6, 2019 in Big Data Hadoop by ravikiran
 • 4,620 points • 634 views
0 votes
1 answer

Can I have a list of property files used in Hadoop Framework?

Here is a complete list of configuration ...READ MORE

Aug 14, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 634 views
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0 answers

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 • 633 views
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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 • 633 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
 • 632 views
0 votes
1 answer

Not able to install yarn on Ubuntu

Seems like your system does not have ...READ MORE

Feb 5, 2019 in Big Data Hadoop by Omkar
 • 69,230 points • 632 views
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1 answer

can we add hadoop in docker or online server or cloud

Hi@Rajan, If you are asking, can we configure hadoop ...READ MORE

May 1, 2020 in Big Data Hadoop by MD
 • 95,440 points • 631 views
+1 vote
1 answer

Is it necessary to use Zookeeper in Hadoop Stack?

ZooKeeper is a centralized service for maintaining ...READ MORE

Mar 27, 2018 in Big Data Hadoop by Ashish
 • 2,650 points • 631 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 • 631 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
1 answer

Unable to create table in Hive

It is looking like your Hadoop daemons ...READ MORE

Aug 6, 2019 in Big Data Hadoop by Yogi
 • 630 views
0 votes
1 answer

Hadoop demo Code not working

You can use this command: "hadoop fs ...READ MORE

Apr 21, 2018 in Big Data Hadoop by kurt_cobain
 • 9,390 points • 630 views
0 votes
1 answer

HiveServer2 connection URL for remote mode

For a remote server, the URL format ...READ MORE

Jun 4, 2019 in Big Data Hadoop by Mahesh
 • 629 views
0 votes
1 answer

Method to schedule the number of Mappers and Reducers in a Hadoop MapReduce Tsk.

The number of Mapper tasks for a ...READ MORE

Apr 25, 2019 in Big Data Hadoop by ravikiran
 • 4,620 points • 629 views
0 votes
1 answer

What are the site-specific configuration files in Hadoop?

There are different site specific configuration to ...READ MORE

Apr 10, 2019 in Big Data Hadoop by Gitika
 • 65,910 points • 629 views
0 votes
1 answer

How to increase Sqoop Accumulo write buffer size?

By default the write buffer size is ...READ MORE

May 17, 2019 in Big Data Hadoop by Rishi
 • 628 views
0 votes
1 answer

Designing Schema in HBase

Just create a single table with two ...READ MORE

Aug 6, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 628 views
0 votes
1 answer

Can't Pass Java Agent in Hive

Hi@Som, You may forget to set the below ...READ MORE

Sep 15, 2020 in Big Data Hadoop by MD
 • 95,440 points • 627 views
0 votes
1 answer

How to checkout Hadoop 2.6.0 from git

Clone the following Git repository: git clone git ...READ MORE

Apr 23, 2018 in Big Data Hadoop by kurt_cobain
 • 9,390 points • 627 views
0 votes
1 answer

Parquet File and ORC Table

Hi. @Vikramraj, Regarding your query, I would suggest ...READ MORE

Sep 1, 2020 in Big Data Hadoop by Gitika
 • 65,910 points • 626 views
0 votes
1 answer

Hadoop HDFS .jar registration Issue

Please use the register command inside the ...READ MORE

May 23, 2019 in Big Data Hadoop by Yogi
 • 625 views
0 votes
1 answer

Mention what is the Hadoop MapReduce APIs contract for a key and value class?

Hey, For a key and value class, there ...READ MORE

Jun 10, 2019 in Big Data Hadoop by Gitika
 • 65,910 points • 624 views
0 votes
1 answer

Error is not recoverable: exiting now

Hey, While installing any file first thing: please confirm ...READ MORE

May 13, 2019 in Big Data Hadoop by Gitika
 • 65,910 points • 624 views
0 votes
1 answer

Failing to execute the script pig file on HDFS

By convention, the pig script that you ...READ MORE

Feb 15, 2019 in Big Data Hadoop by John
 • 624 views
0 votes
1 answer

What are the different relational operations in “Pig Latin” you worked with?

Different relational operators are: for each order by fil ...READ MORE

Dec 14, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 624 views
0 votes
1 answer

How to add filter for groups in Hue?

Open the Hue configuration file Search for [[ldap]] section Search for [[[groups]]] section Set the ...READ MORE

May 28, 2019 in Big Data Hadoop by Karan
 • 621 views
+1 vote
1 answer

Hive: How to use insert query like SQL

It is now possible to insert like ...READ MORE

Nov 5, 2018 in Big Data Hadoop by Omkar
 • 69,230 points • 621 views
0 votes
1 answer

How to set authentication for Kerberos in Hue?

To set the authentication for Solr clients ...READ MORE

May 27, 2019 in Big Data Hadoop by Jimmy
 • 620 views
0 votes
1 answer

How to use sqoop import?

Here is an example of import command. ...READ MORE

Dec 14, 2018 in Big Data Hadoop by Omkar
 • 69,230 points • 620 views
+1 vote
1 answer

How to change columname in a dataframe

Hi@shanmugam, You can change your column by using ...READ MORE

May 21, 2020 in Big Data Hadoop by MD
 • 95,440 points • 619 views
0 votes
1 answer

What skills are required to be a Hadoop developer?

Hi@akhtar, To become a Hadoop developer, you should ...READ MORE

May 15, 2020 in Big Data Hadoop by MD
 • 95,440 points • 617 views
0 votes
1 answer

What are the prerequisites to learn Hadoop in java perspective?

In my day job, I've just spent ...READ MORE

Oct 11, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 617 views
0 votes
1 answer

Hive Query to sort data

If you are trying to sort first ...READ MORE

Jul 14, 2019 in Big Data Hadoop by Tina
 • 616 views
0 votes
1 answer

Can we use different i/p and o/p format classes in mapreduce code?

Yes, InputFormatClass and OutputFormatClass are independent of ...READ MORE

Jul 10, 2019 in Big Data Hadoop by Jimmy
 • 616 views
0 votes
1 answer

How to run HCatalog using Hive?

You can run HCatalog using the below ...READ MORE

May 17, 2019 in Big Data Hadoop by Likith
 • 616 views
0 votes
1 answer

How to access different directories in a Hadoop cluster?

You need to configure the client to ...READ MORE

Sep 18, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 615 views
0 votes
1 answer

Hadoop installation issue on fedora 24

type jps and check whether namenode and datanode is ...READ MORE

Jan 24, 2019 in Big Data Hadoop by Frankie
 • 9,830 points • 614 views
0 votes
1 answer

Index LZO files

You can do it using the following ...READ MORE

Jul 24, 2019 in Big Data Hadoop by Rishi
 • 613 views
0 votes
1 answer

Setting Job Tracker port in Hue

Open the hue configuration file and under the [[mapred_clusters]] property set ...READ MORE

May 31, 2019 in Big Data Hadoop by Raj
 • 611 views
0 votes
1 answer

How will the Fair Scheduler handle more than one Job?

In your case when job B gets ...READ MORE

Aug 16, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 611 views
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