Trending questions in Big Data Hadoop

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Explain the Data Model operation in Hbase?

Hi, The Data Model operations in Hbase are ...READ MORE

May 21, 2019 in Big Data Hadoop by Gitika
 • 65,770 points • 628 views
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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
 • 564 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
 • 65,770 points • 1,192 views
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How to increase Sqoop Accumulo write buffer size?

By default the write buffer size is ...READ MORE

May 17, 2019 in Big Data Hadoop by Rishi
 • 800 views
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Hello ,how know runing time on single node ,i am enter (local host:8088)but empty display ?

May 19, 2019 in Big Data Hadoop by anonymous
 • 739 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
 • 788 views
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Sqoop set path for compiled objects

While you use the sqoop command (I ...READ MORE

May 17, 2019 in Big Data Hadoop by Kunal
 • 785 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 • 854 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
 • 65,770 points • 899 views
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1 answer

What are the components of Hbase?

Hey, Components of Hbase are as follows: Zookeeper:- It ...READ MORE

May 21, 2019 in Big Data Hadoop by Gitika
 • 65,770 points • 556 views
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How to check your file is created on HDFS?

Hey,  There is a process or steps you ...READ MORE

May 7, 2019 in Big Data Hadoop by Gitika
 • 65,770 points • 1,113 views
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What are the components of Driver in Hive?

Hey, There are three major components of driver ...READ MORE

May 11, 2019 in Big Data Hadoop by Gitika
 • 65,770 points • 976 views
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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
 • 65,770 points • 1,141 views
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What is DML in Hive?

Hi, DML is Data Manipulation Language. DML statements are ...READ MORE

May 15, 2019 in Big Data Hadoop by Gitika
 • 65,770 points • 766 views
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Is it possible to run Apache Spark without Hadoop?

Though Spark and Hadoop were the frameworks designed ...READ MORE

May 3, 2019 in Big Data Hadoop by ravikiran
 • 4,620 points • 1,300 views
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1 answer

How to perform joins in Apache hive?

Hey, Join operation will work always with two ...READ MORE

May 16, 2019 in Big Data Hadoop by Gitika
 • 65,770 points • 713 views
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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
 • 65,770 points • 1,058 views
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1 answer

Default sqoop validator and how to change?

The default validator used is  org.apache.sqoop.validation.RowCountValidator. If you ...READ MORE

May 15, 2019 in Big Data Hadoop by Sharan
 • 709 views
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1 answer

Sqoop: Use HBase table instead of HDFS

To override the default and import data ...READ MORE

May 16, 2019 in Big Data Hadoop by Rajini
 • 659 views
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1 answer

How can we access data with simple SQL knowledge in hive?

Hey, The following examples are simple, common data ...READ MORE

May 16, 2019 in Big Data Hadoop by Gitika
 • 65,770 points • 669 views
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1 answer

Sqoop Validator Failure Handling

Once you have downloaded the failure handler ...READ MORE

May 15, 2019 in Big Data Hadoop by Rajat
 • 707 views
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1 answer

Which is better to create a Hadoop Job? MapRed or MapReduce package?

There is no much difference between the ...READ MORE

May 13, 2019 in Big Data Hadoop by ravikiran
 • 4,620 points
edited May 14, 2019 by Omkar • 785 views
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1 answer

How to use SQLServer database with Sqoop?

First, download the SQLServer connector from Microsoft's ...READ MORE

May 15, 2019 in Big Data Hadoop by Karan
 • 697 views
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1 answer

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
 • 65,770 points • 669 views
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1 answer

How to create a file in Linux from terminal window?

Hey, Nothing to worry about creating any file ...READ MORE

May 13, 2019 in Big Data Hadoop by Gitika
 • 65,770 points • 754 views
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1 answer

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
 • 4,620 points • 672 views
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0 answers

How to run WebHCat using Hive?

How can I run WebHCat using hive ...READ MORE

May 17, 2019 in Big Data Hadoop by Rishi
 • 606 views
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1 answer

Where does HDFS stores data on the local file system?

First find the Hadoop directory present in ...READ MORE

May 8, 2018 in Big Data Hadoop by Shubham
 • 13,490 points • 16,731 views
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1 answer

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
 • 65,770 points • 1,942 views
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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
 • 65,770 points • 657 views
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1 answer

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 • 4,216 views
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1 answer

Sqoop import mention accumulo instance to use

You have to mention the accumulo instance ...READ MORE

May 17, 2019 in Big Data Hadoop by Esha
 • 552 views
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Can I install and work with Hadoop on Amazon Web Services with a free trial?

Even I faced the same issue but ...READ MORE

May 10, 2019 in Big Data Hadoop by ravikiran
 • 4,620 points • 811 views
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1 answer

If there are two joins in hive, how many mapreduce jobs will run?

There are two conditions for no. of ...READ MORE

Dec 19, 2018 in Big Data Hadoop by Omkar
 • 69,220 points • 6,939 views
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1 answer

Sqoop: Use accumulo with user credentials

Refer to the below syntax and use ...READ MORE

May 17, 2019 in Big Data Hadoop by Carly
 • 520 views
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1 answer

Explain LOAD keyword in pig script?

Hey, Load helps to load data from the ...READ MORE

May 3, 2019 in Big Data Hadoop by Gitika
 • 65,770 points • 1,101 views
0 votes
1 answer

SQOOP Export command failing

First create a table, which should have ...READ MORE

Jan 7, 2019 in Big Data Hadoop by Omkar
 • 69,220 points • 6,089 views
0 votes
0 answers

about sequence file in hadoop and mapreduce.everything about it with examples [closed]

May 20, 2019 in Big Data Hadoop by anonymous
closed May 20, 2019 by Omkar • 378 views
0 votes
1 answer

Increasing latency for Accumulo batch writer

The default max-latency set is 0 milliseconds. ...READ MORE

May 17, 2019 in Big Data Hadoop by Karan
 • 483 views
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0 answers

Explain to me the HUE.

I am kind of new to Big-Data ...READ MORE

May 16, 2019 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 511 views
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Explain to me the difference between HadoopHDFS and HBase.

Let me explain the major differences between ...READ MORE

May 13, 2019 in Big Data Hadoop by ravikiran
 • 4,620 points
edited May 14, 2019 by Omkar • 583 views
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How to import Flat files in Hadoop using sqoop?

Sqoop is a tool which we use ...READ MORE

Apr 9, 2019 in Big Data Hadoop by Gitika
 • 65,770 points • 2,023 views
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1 answer

What is a pig script?

Hey, Pig script is nothing but a set ...READ MORE

May 7, 2019 in Big Data Hadoop by Gitika
 • 65,770 points • 795 views
0 votes
1 answer

Explain to me the Elasticsearch and Hadoop in a much better manner

I understand your problem, I suggest you download ...READ MORE

May 10, 2019 in Big Data Hadoop by ravikiran
 • 4,620 points • 667 views
0 votes
1 answer

What is relation keyword in pig?

Hey, A relation is a bag of tuples. ...READ MORE

May 6, 2019 in Big Data Hadoop by Gitika
 • 65,770 points • 787 views
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1 answer

How does Hadoop accesses the files which are distributed among different boundaries?

Hadoop's MapReduce function does not work on ...READ MORE

May 7, 2019 in Big Data Hadoop by ravikiran
 • 4,620 points • 742 views
0 votes
1 answer

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
 • 65,770 points • 1,654 views
0 votes
1 answer

Default file format in Hive

By Default its TextFileFormat for hive unless you use serdes to ...READ MORE

Feb 20, 2019 in Big Data Hadoop by Omkar
 • 69,220 points • 4,040 views
0 votes
1 answer

What are Apache pig running modes?

Hey, You can run Apache pig runs in ...READ MORE

May 7, 2019 in Big Data Hadoop by Gitika
 • 65,770 points
edited May 8, 2019 by Gitika • 733 views
0 votes
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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
 • 65,770 points • 694 views
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