Trending questions in Big Data Hadoop

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Hive: grant privileges on an object to a role

Use the GRANT <Privilege> statement to grant ...READ MORE

May 31, 2019 in Big Data Hadoop by Sooraj
 • 1,526 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 • 1,830 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
 • 1,650 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 • 1,812 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 • 1,636 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 • 1,906 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 • 3,748 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
 • 1,675 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
 • 1,870 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 • 1,473 views
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Setting REST service in Hue

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

May 30, 2019 in Big Data Hadoop by Esha
 • 1,513 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
 • 1,640 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
 • 2,150 views
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1 answer

Hue: Set NT domain

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

May 29, 2019 in Big Data Hadoop by Kiran
 • 1,547 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
 • 1,451 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
 • 1,924 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 • 2,670 views
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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
 • 2,050 views
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Problem while running MapReduce code.

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

May 23, 2019 in Big Data Hadoop by Rishi
 • 1,781 views
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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
 • 2,073 views
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1 answer

Spark: Problem creating RDD

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

May 24, 2019 in Big Data Hadoop by Raj
 • 1,733 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
 • 1,600 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
 • 1,765 views
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1 answer

OOZIE Connectivity: "Unable to Connect"

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

May 22, 2019 in Big Data Hadoop by Quil
 • 1,806 views
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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 • 2,446 views
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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 • 5,767 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 • 2,430 views
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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 • 2,429 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 • 1,520 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 • 1,549 views
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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 • 2,452 views
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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
 • 65,730 points • 1,726 views
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Writing File into HDFS using spark scala

The reason you are not able to ...READ MORE

Apr 6, 2018 in Big Data Hadoop by kurt_cobain
 • 9,350 points • 19,546 views
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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
 • 2,010 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 • 1,824 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