Most viewed questions in Big Data Hadoop

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when is hadoop useful for an application?

Hadoop is a software framework for storing ...READ MORE

Dec 20, 2021 in Big Data Hadoop by CoderGirl
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495 views
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Why INSERT command in Hive?

Hey, The insert command is used to load the data ...READ MORE

May 15, 2019 in Big Data Hadoop by Gitika
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495 views
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ISR out of Replica

If the replica stays out of the ...READ MORE

Sep 24, 2018 in Big Data Hadoop by kurt_cobain
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495 views
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Relation between LOAD operation and LOCAL keyword?

Hey, The Load operation is used to move the ...READ MORE

May 15, 2019 in Big Data Hadoop by Gitika
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494 views
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Why scala generates 2 files, Person.class and Person$.class?

While running Scala, Scala objects are translated ...READ MORE

Feb 7, 2019 in Big Data Hadoop by Omkar
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Connecting to HiveServer2 with SSL enabled.

The connection URL format to connect to ...READ MORE

Jun 4, 2019 in Big Data Hadoop by Dinesh
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Why Alter keyword has been used in HBase?

Hey, Alter is the command used to make ...READ MORE

May 23, 2019 in Big Data Hadoop by Gitika
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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
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Regarding unstructured data handling

There are multiple ways to import unstructured ...READ MORE

Jun 19, 2019 in Big Data Hadoop by Ranjitha
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Setting certificate for authentication in Hue

To set the path to TLS certificate, open ...READ MORE

May 29, 2019 in Big Data Hadoop by Tina
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Different partitoners in Cassandra

Murmur3Partitioner is the default partitioner. It is ...READ MORE

Jun 27, 2018 in Big Data Hadoop by kurt_cobain
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491 views
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Explain to me the method to transfer data between Azure tables and Hadoop on Azure

this article on HiveStorageHandler will let you create ...READ MORE

May 3, 2019 in Big Data Hadoop by ravikiran
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490 views
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Hue LDAP: username attribute

You have to add this in the Hue ...READ MORE

May 28, 2019 in Big Data Hadoop by Rajul
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Hadoop combiners with aggregator functions

Both combiner & aggregator fulfill partly the ...READ MORE

May 16, 2018 in Big Data Hadoop by nitinrawat895
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Hadoop Cluster Node Setup.

Yes, at least in small clusters those ...READ MORE

Oct 15, 2018 in Big Data Hadoop by Frankie
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487 views
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Encrypt Hive JDBC and Hive Server traffic

You can enable encryption of data flowing ...READ MORE

May 31, 2019 in Big Data Hadoop by John
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Hadoop: intervals and JOIN

Hey, a solution was given on Biostar: http://biostar.stackexchange.com/questions/8821. Hope ...READ MORE

Sep 24, 2018 in Big Data Hadoop by slayer
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486 views
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What happend while formatting hadoop namenode?

Basically, NameNode is the master daemon that ...READ MORE

May 4, 2018 in Big Data Hadoop by Ashish
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486 views
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What Oozie CLI retries connection used for?

Hi, Oozie CLI retries the connection to Oozie servers ...READ MORE

Jun 24, 2019 in Big Data Hadoop by Gitika
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Hadoop version problem: System is launching different version of Hadoop

When you run sudo service hadoop-master command, it internally runs ...READ MORE

May 22, 2019 in Big Data Hadoop by Tina
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Installing WebHCat on a SLES OS

apt-get is used for Ubuntu or other debian ...READ MORE

Jun 3, 2019 in Big Data Hadoop by Emily
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How to submit bundle features in Oozie?

Hey, You can use this example to learn ...READ MORE

Jun 17, 2019 in Big Data Hadoop by Gitika
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482 views
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I want to change the string datatype to timestamp, can anyone help me??

I am not sure if you want ...READ MORE

Aug 22, 2019 in Big Data Hadoop by Karan
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How to add server-side configuration for secure operation in HBase?

Hey, First, ensure that your underlying HDFS configuration ...READ MORE

May 31, 2019 in Big Data Hadoop by Gitika
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Elastisearch Hadoop

I will redirect you to a repository ...READ MORE

Apr 24, 2019 in Big Data Hadoop by ravikiran
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480 views
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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
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479 views
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Adding Ranger KMS server using ambari

Hi@Shllpa, It is asking for admin credentials. Did ...READ MORE

Sep 28, 2020 in Big Data Hadoop by MD
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478 views
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Mutliple Output Format in Hadoop

Each reducer uses an OutputFormat to write ...READ MORE

Jul 19, 2019 in Big Data Hadoop by ravikiran
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477 views
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What are different types of blocks in Hbase?

Hey, Block is a single smallest amount / ...READ MORE

May 21, 2019 in Big Data Hadoop by Gitika
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477 views
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Gossip Protocol features.

Gossip Protocol in Cassandra is a peer-to-peer ...READ MORE

Jun 26, 2018 in Big Data Hadoop by Data_Nerd
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476 views
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What was Hadoop named after?

Nov 25, 2021 in Big Data Hadoop by Edureka
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475 views
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What start node does in Oozie?

Hey, The start node is the entry point for a ...READ MORE

Jun 11, 2019 in Big Data Hadoop by Gitika
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475 views
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Why we use Relation keyword in pig?

Hey, In pig, Relation represents a complete database. ...READ MORE

May 7, 2019 in Big Data Hadoop by Gitika
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473 views
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Hadoop unit not found error

Unfortunately the command that you are giving ...READ MORE

Dec 21, 2018 in Big Data Hadoop by Omkar
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472 views
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How to upgrade from Hadoop 1.2 to Hadoop 2.2?

Here's the solution that worked for me: <dependency> ...READ MORE

Nov 21, 2018 in Big Data Hadoop by Omkar
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472 views
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In Which cluster(Dev or Prod) we test the job?

Well, that depends on what a particular ...READ MORE

Jun 20, 2019 in Big Data Hadoop by Raj
471 views
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Encrypt spilled data in Impala

Yes, Impala allows you to encrypt spilled ...READ MORE

May 31, 2019 in Big Data Hadoop by Rajan
471 views
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Can someone tell me how apache sqoop works?

This blog would give you answers to ...READ MORE

Nov 16, 2018 in Big Data Hadoop by brat_1
• 7,200 points
471 views
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Create hive table with location.

Hi@MD, We can also create a hive table ...READ MORE

Oct 16, 2020 in Big Data Hadoop by akhtar
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470 views
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what command to see list inside your Database in linux?

Command used to list up what is inside ...READ MORE

Apr 16, 2019 in Big Data Hadoop by Gitika
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470 views
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What is the use of setting the name of the job in mapreduce?

Job job = new Job(conf,"job_name") is just used ...READ MORE

Jul 10, 2019 in Big Data Hadoop by Umesh
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What is work flow application consists of in Oozie?

Hi, A workflow application consists of the workflow ...READ MORE

Jun 12, 2019 in Big Data Hadoop by Gitika
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468 views
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Can someone help with Hadoop installation Setup on Ubuntu?

I have understood your query, I have ...READ MORE

May 15, 2019 in Big Data Hadoop by ravikiran
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468 views
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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
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468 views
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Set Hbase Server in Hue.

The Hbase thrift servers for clusters are ...READ MORE

May 27, 2019 in Big Data Hadoop by Esha
467 views
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Is there a good online tutorial for Hadoop development on a Windows 7 machine?

I would suggest you go through this ...READ MORE

Mar 29, 2018 in Big Data Hadoop by kurt_cobain
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467 views
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Use of Describe keyword in HBase?

Hey, The describe command returns the description of ...READ MORE

May 23, 2019 in Big Data Hadoop by Gitika
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466 views
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How to implement sqoop jobs?

Step 1: Give the below command to ...READ MORE

Dec 18, 2018 in Big Data Hadoop by Omkar
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466 views
0 votes
1 answer

How to set Sentry server details in Hue?

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

May 30, 2019 in Big Data Hadoop by Karna
465 views
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Will hadoop replace data warehousing?

Mostly the answer is yes hadoop is ...READ MORE

Apr 4, 2018 in Big Data Hadoop by kurt_cobain
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465 views