Trending questions in Big Data Hadoop

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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
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762 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
• 65,730 points
1,003 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
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1,341 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
2,281 views
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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
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1,363 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
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4,551 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
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1,173 views
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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
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920 views
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1 answer

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
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969 views
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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
960 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
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1,159 views
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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
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905 views
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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
881 views
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Sqoop Validator Failure Handling

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

May 15, 2019 in Big Data Hadoop by Rajat
928 views
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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
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edited May 14, 2019 by Omkar 996 views
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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
911 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
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986 views
0 votes
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
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7,231 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
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888 views
0 votes
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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
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851 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
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1,171 views
0 votes
2 answers

Hadoop fs -stat command

hadoop fs -stat is as hadoop command used ...READ MORE

Oct 25, 2018 in Big Data Hadoop by Omkar
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12,410 views
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How to run WebHCat using Hive?

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

May 17, 2019 in Big Data Hadoop by Rishi
759 views
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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
729 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
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1,306 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
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2,044 views
0 votes
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
677 views
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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
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4,392 views
0 votes
1 answer

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
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edited May 14, 2019 by Omkar 807 views
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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
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920 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
655 views
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1 answer

Edge nodes in Hadoop

Namenodes and Datanodes are a part of ...READ MORE

Feb 19, 2019 in Big Data Hadoop by Siri
4,409 views
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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 529 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
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2,249 views
0 votes
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
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1,023 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
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1,048 views
0 votes
0 answers

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
2,214 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
646 views
0 votes
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
963 views
0 votes
1 answer

How to save Spark dataframe as dynamic partitioned table in Hive?

Hey, you can try something like this: df.write.partitionBy('year', ...READ MORE

Nov 6, 2018 in Big Data Hadoop by Omkar
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8,805 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
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edited May 8, 2019 by Gitika 947 views
–1 vote
1 answer

unable to start hive server

It seems that your hive server is ...READ MORE

Jan 2, 2019 in Big Data Hadoop by Omkar
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6,351 views
0 votes
1 answer

How to read multiple files in hdfs?

If you want to read files with ...READ MORE

Feb 7, 2019 in Big Data Hadoop by Omkar
• 69,180 points
4,736 views
0 votes
1 answer

Why tuple keywords is used in pig?

Hey, A tuple is a set of field, ...READ MORE

May 6, 2019 in Big Data Hadoop by Gitika
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926 views
0 votes
1 answer

How data distribution is done in Hadoop?

To understand how or what are the process ...READ MORE

Apr 4, 2019 in Big Data Hadoop by Gitika
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2,331 views
0 votes
1 answer

Hadoop Java: org.apache.hadoop.conf.Configuration does not exist error

To solve this error, add hadoop-common to ...READ MORE

Nov 21, 2018 in Big Data Hadoop by Omkar
• 69,180 points
8,133 views
0 votes
1 answer

What is Kafka? what is its importance in Big-Data?

Apache Kafka is a tool used in ...READ MORE

Apr 11, 2019 in Big Data Hadoop by ravikiran
• 4,620 points
1,997 views
+1 vote
1 answer

what are the typicall block sizes in HDFS

HDFS is a block structured file system ...READ MORE

Apr 8, 2019 in Big Data Hadoop by Gitika
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2,089 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
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852 views