Most viewed questions in Big Data Hadoop

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How to perform Near-real time analytics using Hadoop?

To perform Near-real time analytics, you have ...READ MORE

Apr 24, 2018 in Big Data Hadoop by kurt_cobain
 • 9,350 points • 1,169 views
0 votes
1 answer

What is a importance of Hive ODBC Connector

The Cloudera ODBC Driver for Hive enables ...READ MORE

Apr 10, 2018 in Big Data Hadoop by kurt_cobain
 • 9,350 points • 1,169 views
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1 answer

How to assess and compare Hadoop for Business Intelligence?

Hadoop is a great tool to be ...READ MORE

Aug 8, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 1,167 views
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1 answer

RDBMS Vs Hadoop

There are various challenges with RDBMS such ...READ MORE

Apr 6, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 1,167 views
0 votes
1 answer

How to decrease load on HBase while importing Sqoop?

Sqoop by default serializes all the input ...READ MORE

May 16, 2019 in Big Data Hadoop by Yogi
 • 1,165 views
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1 answer

How to find the status of MapReduce Job?

Hi@akhtar, You can run the Hadoop Job command ...READ MORE

Oct 16, 2020 in Big Data Hadoop by MD
 • 95,460 points • 1,164 views
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1 answer

How to set LDAP authentication for HiveServer2 for unmanaged clusters?

To enable LDAP authentication for HiveServer2 unmanaged ...READ MORE

Jun 3, 2019 in Big Data Hadoop by Sanman
 • 1,161 views
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1 answer

Hbase to pig integration

First enter into grunt shell: $ ./pig –x ...READ MORE

Feb 19, 2019 in Big Data Hadoop by Omkar
 • 69,180 points • 1,161 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 • 1,161 views
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1 answer

Why Hadoop is not implemented using MPI?

 One of the big features of Hadoop/map-reduce ...READ MORE

Dec 4, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 1,160 views
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1 answer

Which is better Neo4j or HBASE ?

For your requirement, I would recommend you ...READ MORE

Apr 26, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 1,160 views
0 votes
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
 • 1,156 views
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1 answer

High Availability Yarn configuration in Hue

Here's the default configuration suggested by the ...READ MORE

May 30, 2019 in Big Data Hadoop by Rajan
 • 1,156 views
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1 answer

How to configure Oozie to use Oracle?

You have to mention the following properties ...READ MORE

Jun 6, 2019 in Big Data Hadoop by Rishi
 • 1,155 views
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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 • 1,153 views
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1 answer

Index LZO files

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

Jul 24, 2019 in Big Data Hadoop by Rishi
 • 1,153 views
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1 answer

Is java necessary for Hadoop?

It is not a prerequisite. But you ...READ MORE

Apr 11, 2018 in Big Data Hadoop by kurt_cobain
 • 9,350 points • 1,153 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
 • 1,151 views
0 votes
1 answer

How to set Zookeeper server for Accumulo in sqoop?

Hi. To mention the Zookeeper server in ...READ MORE

May 17, 2019 in Big Data Hadoop by Kumar
 • 1,151 views
0 votes
1 answer

How to choose between Cassandra, Membase, Hadoop, MongoDB and RDBMS?

Actually it comes in two ways: One ...READ MORE

Sep 18, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 1,146 views
0 votes
1 answer

Map reduce history moving instance using curl .

Hi@Shilpa, First thing, you will lose your metadata. ...READ MORE

Nov 9, 2020 in Big Data Hadoop by MD
 • 95,460 points • 1,145 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
 • 1,144 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 • 1,143 views
0 votes
1 answer

What are the different connectors of sqoop?

Sqoop is a tool to transfer the ...READ MORE

Apr 11, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 1,143 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 • 1,139 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 12, 2018 in Big Data Hadoop by Irfan
 • 120 points • 1,137 views
0 votes
1 answer

why do we need MaPReduce in BigData Hadoop?

Hi, As we know Hadoop provides Hdfs as ...READ MORE

Feb 4, 2020 in Big Data Hadoop by MD
 • 95,460 points • 1,133 views
0 votes
1 answer

Datanode not running and not able start

Please type the below command in the ...READ MORE

Dec 20, 2018 in Big Data Hadoop by Omkar
 • 69,180 points • 1,129 views
0 votes
1 answer

Hadoop Data node acknowledgement

Let's understand full write mechanism so that ...READ MORE

Dec 18, 2018 in Big Data Hadoop by Omkar
 • 69,180 points • 1,129 views
0 votes
1 answer

HDP Upgrade Issue in 2.6.5.

Hi@B, There is a problem with the version. ...READ MORE

Nov 9, 2020 in Big Data Hadoop by MD
 • 95,460 points • 1,128 views
0 votes
1 answer

Where can I find older versions of Hadoop?

You can check here. From the archives. In particular, ...READ MORE

Sep 27, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 1,128 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
 • 1,127 views
0 votes
1 answer

Sending hdfs file to a non hadoop cluster

There are different ways to do this. ...READ MORE

Jul 9, 2019 in Big Data Hadoop by Tarun
 • 1,125 views
0 votes
1 answer

HBase configuration in Hue

Hue allows you to point to the ...READ MORE

May 27, 2019 in Big Data Hadoop by Reshma
 • 1,125 views
0 votes
1 answer

Command to partition table in Hive

Yes, You need to mention the below ...READ MORE

Dec 17, 2018 in Big Data Hadoop by Omkar
 • 69,180 points • 1,124 views
0 votes
1 answer

Using hedged reads in HBase

To enable hedged reads, open the hbase-site.xml file and ...READ MORE

Jun 4, 2019 in Big Data Hadoop by Gani
 • 1,123 views
0 votes
1 answer

Application of Hbase?

Hey, Here are the following applications as follows: HBase is ...READ MORE

May 20, 2019 in Big Data Hadoop by Gitika
 • 65,730 points
edited May 20, 2019 by Gitika • 1,123 views
0 votes
1 answer

Create accumulo table using sqoop

Yes, you can create the missing table ...READ MORE

May 16, 2019 in Big Data Hadoop by Shalini
 • 1,121 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 • 1,118 views
0 votes
1 answer

Enable HA for ranger KMS.

Hi, If you have installed Ranger through Ambari ...READ MORE

Oct 15, 2020 in Big Data Hadoop by MD
 • 95,460 points • 1,116 views
0 votes
1 answer

Hadoop: Reading and Writing Sequencefile using Apis?

public class SequenceFilesTest { @Test ...READ MORE

Nov 9, 2018 in Big Data Hadoop by Omkar
 • 69,180 points • 1,116 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
 • 95,460 points • 1,115 views
0 votes
1 answer

DJOB TRACKER : Can not start task tracker because java.lang.IllegalArgumentException: Does not contain a valid host:port authority: 127.0.0.1:9001

Hey, According to your property set up, there ...READ MORE

Aug 5, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 1,115 views
+1 vote
1 answer

How does Hadoop process records split across block boundaries?

Interesting question, I spent some time looking ...READ MORE

Dec 7, 2020 in Big Data Hadoop by Gitika
 • 65,730 points • 1,110 views
0 votes
1 answer

Hive: Display column to which there is SELECT access

You can use the following query to ...READ MORE

Jun 3, 2019 in Big Data Hadoop by Pratham
 • 1,109 views
0 votes
1 answer

Mention how many InputSplits is made by a Hadoop Framework?

Hey, Hadoop will make 5 splits 1 split for ...READ MORE

Jun 10, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 1,106 views
0 votes
1 answer

submitJob method in JobClient of Hadoop throws null pointer

I had this problem as well. But when ...READ MORE

Sep 18, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 1,105 views
0 votes
1 answer

Why Max is throwing in below query in hive for alias?

Hi, You can do one thing, just enclose ...READ MORE

May 17, 2019 in Big Data Hadoop by reshma
 • 1,103 views
0 votes
1 answer

Why Hadoop is not implemented using Message Passing Interface (MPI)?

One of the big features of Hadoop/map-reduce ...READ MORE

Sep 21, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 1,102 views
0 votes
1 answer

Creating a hive script and execute in the edureka cloudlab.

Please remove -f option from hive arguments and use hql extension ...READ MORE

Jul 14, 2019 in Big Data Hadoop by Karan
 • 1,101 views
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