Most viewed questions in Big Data Hadoop

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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
 • 65,910 points • 446 views
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1 answer

What is REST keyword in Hbase?

Hey, REST stands for Representational State transfer, which ...READ MORE

May 21, 2019 in Big Data Hadoop by Gitika
 • 65,910 points • 446 views
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Elastisearch Hadoop

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

Apr 24, 2019 in Big Data Hadoop by ravikiran
 • 4,620 points • 446 views
+2 votes
1 answer

How To Configure Tls Encryption For Cloudera Manager?

The Cloudera Connect Partner Program, more than ...READ MORE

Dec 19, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 446 views
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1 answer

Failed to upgrade the metastore in Hive?

Hey, If the problem you are having do the ...READ MORE

May 30, 2019 in Big Data Hadoop by Gitika
 • 65,910 points • 445 views
0 votes
1 answer

Can I run Hadoop with Docker for both DEV and PROD environments?

Hadoop Docker Hub provides Hadoop Images, You ...READ MORE

Jun 26, 2019 in Big Data Hadoop by ravikiran
 • 4,620 points • 443 views
0 votes
1 answer

How to set HBase configuration file to set the heap to 4 GB ?

Hey, The following lines in the hbase-env.sh file shows how ...READ MORE

May 31, 2019 in Big Data Hadoop by Gitika
 • 65,910 points • 443 views
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Hadoop regarding input split

Hadoop framework divides a large file into ...READ MORE

Dec 27, 2018 in Big Data Hadoop by Omkar
 • 69,230 points • 443 views
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Error: Tasktracker is not starting

Hey, From the master node, you can start ...READ MORE

Jun 18, 2019 in Big Data Hadoop by Gitika
 • 65,910 points • 442 views
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1 answer

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
 • 69,230 points • 442 views
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1 answer

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
 • 65,910 points • 441 views
–1 vote
1 answer

Hadoop unit not found error

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

Dec 21, 2018 in Big Data Hadoop by Omkar
 • 69,230 points • 441 views
0 votes
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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
 • 9,390 points • 441 views
0 votes
1 answer

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
 • 65,910 points • 440 views
0 votes
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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
 • 440 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
 • 2,650 points • 440 views
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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
 • 65,910 points • 438 views
0 votes
1 answer

Encrypt spilled data in Impala

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

May 31, 2019 in Big Data Hadoop by Rajan
 • 438 views
0 votes
1 answer

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
 • 29,350 points • 438 views
0 votes
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 • 438 views
0 votes
0 answers

What was Hadoop named after?

Nov 25, 2021 in Big Data Hadoop by Edureka
 • 12,690 points • 437 views
0 votes
1 answer

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
 • 95,440 points • 437 views
0 votes
1 answer

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
 • 65,910 points • 437 views
0 votes
1 answer

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
 • 65,910 points • 437 views
0 votes
1 answer

Different partitoners in Cassandra

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

Jun 27, 2018 in Big Data Hadoop by kurt_cobain
 • 9,390 points • 437 views
0 votes
1 answer

Hive ACID semantics

ACID stands for Atomicity, Consistency, Isolation, and Durability.  Until ...READ MORE

Jan 4, 2019 in Big Data Hadoop by Omkar
 • 69,230 points • 436 views
0 votes
1 answer

Factorial function in Impala

There are two ways to do this: select ...READ MORE

Jun 7, 2019 in Big Data Hadoop by Reshma
 • 435 views
0 votes
1 answer

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
 • 434 views
0 votes
1 answer

Connecting to HiveServer2 with SSL enabled.

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

Jun 4, 2019 in Big Data Hadoop by Dinesh
 • 434 views
0 votes
1 answer

Set Hbase Server in Hue.

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

May 27, 2019 in Big Data Hadoop by Esha
 • 434 views
0 votes
1 answer

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
 • 69,230 points • 434 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 • 433 views
0 votes
1 answer

Transfer data between 2 Tables having issues with Date conversion from string to Date datatype.

This can be solved making use of ...READ MORE

Dec 28, 2018 in Big Data Hadoop by Omkar
 • 69,230 points • 433 views
0 votes
1 answer

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
 • 65,910 points • 432 views
0 votes
1 answer

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
 • 430 views
0 votes
1 answer

Gossip Protocol features.

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

Jun 26, 2018 in Big Data Hadoop by Data_Nerd
 • 2,390 points • 430 views
0 votes
1 answer

Where Big Data tools like Hadoop and Spark comes into picture when we talk about ETL?

When we talk about ETL, ETL means ...READ MORE

May 3, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 429 views
0 votes
1 answer

Setting the resource manager port in Hue

Open the hue configuration file and search for the [[yarn_clusters]] sub-section. ...READ MORE

May 30, 2019 in Big Data Hadoop by Khan
 • 427 views
0 votes
1 answer

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
 • 65,910 points • 427 views
0 votes
1 answer

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
 • 4,620 points • 426 views
0 votes
1 answer

What are the basic concepts for video data structure and processing?

1.  Make use of hadoop storm framework. ( ...READ MORE

Sep 7, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 426 views
0 votes
1 answer

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
 • 38,230 points • 425 views
0 votes
0 answers

How to replicate task so that a task will be computed by two mappers? Or each task will be done twice.

i want replicate task of mapper but ...READ MORE

Aug 21, 2019 in Big Data Hadoop by dodo aly
 • 424 views
0 votes
1 answer

Classes implementing InputFormat frequently

FileInputFormat : Base class for all file-based InputFormats Other ...READ MORE

Jul 24, 2019 in Big Data Hadoop by Reshma
 • 424 views
0 votes
1 answer

Differentiate between FileSink and FileRollSink

Hey, The major difference between HDFS FileSink and ...READ MORE

Jun 20, 2019 in Big Data Hadoop by Gitika
 • 65,910 points • 424 views
0 votes
1 answer

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
 • 65,910 points • 423 views
0 votes
1 answer

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 • 423 views
0 votes
1 answer

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
 • 422 views
0 votes
0 answers

Command to initiate MapReduce which provide decent UI?

I am new to MapReduce and want ...READ MORE

Jun 14, 2019 in Big Data Hadoop by Rachna
 • 422 views
0 votes
1 answer

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
 • 65,910 points • 421 views
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