Trending questions in Big Data Hadoop

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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
 • 1,395 views
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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
 • 65,730 points • 1,777 views
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Explain the CLI in Zookeeper?

Hey, ZooKeeper Command Line Interface (CLI) is used ...READ MORE

May 24, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 1,666 views
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Why Count keyword is used in HBase?

Hey, An aggregate function that returns the number ...READ MORE

May 24, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 1,671 views
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Hive Hue: Restrict viewing of submitted jobs

Yes, this is possible. By default, any ...READ MORE

May 27, 2019 in Big Data Hadoop by Rasheed
 • 1,535 views
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Help me out to download hadoop of a specific version

I understand your needs. I would suggest you ...READ MORE

May 15, 2019 in Big Data Hadoop by ravikiran
 • 4,620 points • 2,072 views
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How Hadoop scalabality linear or proportional depends on the number of nodes?

Hey, These jobs are often IO based not ...READ MORE

May 28, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 1,477 views
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1 answer

Hadoop Namenode start issue

Try restarting the master: $ sudo reboot $ sudo ...READ MORE

May 22, 2019 in Big Data Hadoop by Rishi
 • 1,730 views
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What things to keep in mind before upgrading Hbase ?

Hey, Before beginning the upgrade process, you must ...READ MORE

May 31, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 1,337 views
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Hive: Create Roles

The syntax to create roles is: CREATE ROLE ...READ MORE

May 31, 2019 in Big Data Hadoop by Olly
 • 1,332 views
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Job Designer path in Hue

Hi. You can set a local path ...READ MORE

May 27, 2019 in Big Data Hadoop by Alice
 • 1,504 views
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How to replace Hive table name?

Yes, it is possible to change the ...READ MORE

May 20, 2019 in Big Data Hadoop by Firoz
 • 1,805 views
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1 answer

Setting REST service in Hue

To be able to browse the znode, ...READ MORE

May 30, 2019 in Big Data Hadoop by Esha
 • 1,366 views
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Hue: Set NT domain

Hi.  How to set NT domain? You have to ...READ MORE

May 29, 2019 in Big Data Hadoop by Kiran
 • 1,407 views
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Spark: Problem creating RDD

Please use the command as shown below ...READ MORE

May 24, 2019 in Big Data Hadoop by Raj
 • 1,611 views
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OOZIE Connectivity: "Unable to Connect"

You have to run the start command ...READ MORE

May 22, 2019 in Big Data Hadoop by Quil
 • 1,688 views
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What do you mean by Bag in Pig?

Hey, Bag in Apache Pig is nothing but ...READ MORE

May 3, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 2,519 views
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How to import tables into Hive from Sqoop?

Very simple, in your sqoop command that ...READ MORE

May 15, 2019 in Big Data Hadoop by John
 • 1,983 views
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1 answer

Problem while running MapReduce code.

You will have to create a Mapper ...READ MORE

May 23, 2019 in Big Data Hadoop by Rishi
 • 1,634 views
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Query regarding sqoop job

There no way to take any precautions ...READ MORE

May 23, 2019 in Big Data Hadoop by Imran
 • 1,627 views
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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
 • 1,452 views
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1 answer

How to override Mapred home directory using sqoop?

Sqoop provides an option to override the ...READ MORE

May 17, 2019 in Big Data Hadoop by Rajini
 • 1,875 views
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1 answer

Why Watch keyword is used in zookeeper?

Hey, Watches show a notification when the specified ...READ MORE

May 28, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 1,420 views
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1 answer

Why to check status in zookeper?

Hello, Status describes the metadata of a specified znode. ...READ MORE

May 28, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 1,380 views
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1 answer

Sqoop incremental append by date

Consider a table with 3 records which ...READ MORE

Feb 20, 2019 in Big Data Hadoop by Omkar
 • 69,180 points • 5,596 views
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1 answer

Explain the function of ORDER-BY operator in pig?

Hi, The ORDER-BY operator is used to display ...READ MORE

May 7, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 2,310 views
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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
 • 1,876 views
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1 answer

How Dumb operator used in pig?

Hey, The Dumb operator is used to run the pig ...READ MORE

May 7, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 2,269 views
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1 answer

What is the use of parser in Apache pig?

Hey, It is correct that it comes under ...READ MORE

May 8, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 2,262 views
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List of all the functions that can be obtain from hive?

Hello, A list of all functions can be ...READ MORE

May 16, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 1,890 views
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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
 • 65,730 points • 1,583 views
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1 answer

Restrict number of workflows retrieved in an API call

Hey there! Because you are trying to ...READ MORE

May 27, 2019 in Big Data Hadoop by John
 • 1,399 views
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1 answer

Hue filter to search users

You have to specify the filter to ...READ MORE

May 28, 2019 in Big Data Hadoop by Kishan
 • 1,340 views
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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
 • 1,855 views
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Nutch with hadoop 2.7 error "GC overhead limit exceeded"

I have a small cluster of 5 ...READ MORE

Apr 10, 2019 in Big Data Hadoop by Hafiz
 • 170 points • 3,446 views
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1 answer

how to execute pig script in MapReduce mode?

Hey, To execute pig script we can use ...READ MORE

May 8, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 2,229 views
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what is Region keyword and and store keyword in Hbase?

Hey, In HBase, tables are split into regions ...READ MORE

May 20, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 1,665 views
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1 answer

How to confirm if Hue plugins are properly set?

You can confirm it like this: $ tail ...READ MORE

May 24, 2019 in Big Data Hadoop by Shirish
 • 1,490 views
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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 • 1,659 views
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error: Access denied for user 'sample'@'localhost'.

This kind of error occurs when we ...READ MORE

Apr 15, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 3,153 views
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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
 • 1,797 views
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Create accumulo table using sqoop

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

May 16, 2019 in Big Data Hadoop by Shalini
 • 1,781 views
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How to insert data inside the database in Linux?

First you need to create a table ...READ MORE

Apr 16, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 3,104 views
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What are the different ways of executing pig scripts?

There are three ways to execute the ...READ MORE

Feb 21, 2019 in Big Data Hadoop by Neha
 • 6,300 points • 5,397 views
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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
 • 65,730 points • 1,472 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
 • 65,730 points • 1,542 views
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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
 • 65,730 points • 1,881 views
0 votes
1 answer

Analyse log files in pig?

Hey, Log files are created by an application which ...READ MORE

May 7, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 2,125 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
 • 65,730 points • 1,522 views
0 votes
1 answer

Why JOIN operator is used in pig?

Hey, In Apache pig, JOIN operator is used ...READ MORE

May 7, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 2,143 views
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