Trending questions in Big Data Hadoop

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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
 • 858 views
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1 answer

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
 • 65,770 points • 775 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
 • 65,770 points
edited May 20, 2019 by Gitika • 937 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
 • 556 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
 • 65,770 points • 584 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
 • 588 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
 • 65,770 points • 448 views
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Hadoop Namenode start issue

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

May 22, 2019 in Big Data Hadoop by Rishi
 • 833 views
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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
 • 65,770 points • 595 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
 • 602 views
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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
 • 65,770 points • 558 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
 • 601 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
 • 729 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
 • 65,770 points • 816 views
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1 answer

How to install Flume on Linux?

All you have to do is get ...READ MORE

Feb 26, 2019 in Big Data Hadoop by Rishi
 • 4,465 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
 • 1,094 views
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How to start and stop Master in HBase?

Hello, Using the “local-master-backup.sh” you can start up ...READ MORE

May 23, 2019 in Big Data Hadoop by Gitika
 • 65,770 points • 756 views
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1 answer

What is metastore in Hive architecture?

Hey, Hive chooses respective database servers to store ...READ MORE

May 10, 2019 in Big Data Hadoop by Gitika
 • 65,770 points • 1,297 views
0 votes
1 answer

Oozie editor issue in CDH 5.4: Documents not available.

Hi. CDH 5.4 and later versions use ...READ MORE

May 27, 2019 in Big Data Hadoop by Nisha
 • 561 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
 • 727 views
+1 vote
1 answer

Need help installing Flume on Windows

Hi. Here's what you need.  Follow the below ...READ MORE

Feb 27, 2019 in Big Data Hadoop by Thakur
 • 4,387 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
 • 662 views
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1 answer

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
 • 65,770 points • 1,018 views
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1 answer

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
 • 65,770 points • 823 views
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1 answer

How to add user in supergroup of hdfs in linux?

Yes , now i have whole idea ...READ MORE

Sep 21, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 11,268 views
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2 answers

Error:- cannot locate pig-core-hr. jar. do ‘ant -Dhadoopversion=23 jar’

Even I got the same error, I ...READ MORE

Apr 26, 2019 in Big Data Hadoop by disha
edited Apr 29, 2019 by Gitika • 1,822 views
0 votes
1 answer

Query regarding sqoop job

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

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

Explain to me the difference between HBase and HDFS.

Hadoop generally consists of three major components: HDFS It ...READ MORE

Apr 12, 2019 in Big Data Hadoop by ravikiran
 • 4,620 points • 2,464 views
0 votes
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
 • 943 views
–1 vote
1 answer

Why is Hive not good for OLTP?

Apache Hive is mainly used for batch processing i.e. ...READ MORE

Jan 7, 2019 in Big Data Hadoop by Omkar
 • 69,220 points • 6,598 views
0 votes
1 answer

Difference between Hadoop Mapreduce in MongoDB versus MangoDB's built-in MapReduce

Let me line up the crucial differences ...READ MORE

Apr 24, 2019 in Big Data Hadoop by ravikiran
 • 4,620 points • 1,933 views
0 votes
1 answer

Explain to me the difference between name node and secondary name node.

Firstly, You need to understand the major ...READ MORE

Apr 30, 2019 in Big Data Hadoop by ravikiran
 • 4,620 points • 1,675 views
0 votes
1 answer

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
 • 65,770 points • 1,545 views
0 votes
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
 • 65,770 points • 1,391 views
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1 answer

Spark.read.csv to create RDD into Dataframe

You can use a case class and ...READ MORE

Jan 22, 2019 in Big Data Hadoop by Omkar
 • 69,220 points • 5,912 views
0 votes
1 answer

How to loacte data cell in Hbase?

Hey, Hbase uses the coordinates to locate a ...READ MORE

May 21, 2019 in Big Data Hadoop by Gitika
 • 65,770 points • 707 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
 • 909 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
 • 903 views
0 votes
1 answer

Cant connec to zookeeper: KeeperErrorCode = ConnectionLoss for HBase

Mostly HMaster is not running. Enter the ...READ MORE

Dec 28, 2018 in Big Data Hadoop by Omkar
 • 69,220 points • 6,910 views
0 votes
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
 • 65,770 points • 699 views
0 votes
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
 • 69,220 points • 4,611 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
 • 65,770 points • 583 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
 • 65,770 points • 578 views
0 votes
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How to specify Hue Server Http address?

Search for the Hue configuration file on ...READ MORE

May 24, 2019 in Big Data Hadoop by Rahul
 • 521 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
 • 872 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
 • 65,770 points • 659 views
0 votes
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
 • 65,770 points • 1,246 views
0 votes
1 answer

Hadoop Hive: How to skip the first line of csv while loading in hive table?

You can try this: CREATE TABLE temp ...READ MORE

Nov 8, 2018 in Big Data Hadoop by Omkar
 • 69,220 points • 9,029 views
0 votes
1 answer

How to run HCatalog using Hive?

You can run HCatalog using the below ...READ MORE

May 17, 2019 in Big Data Hadoop by Likith
 • 806 views
0 votes
1 answer

Features of Hive?

Hey, The features of Hive are as follows: It ...READ MORE

May 10, 2019 in Big Data Hadoop by Gitika
 • 65,770 points • 1,144 views
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