Trending questions in Big Data Hadoop

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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 • 1,252 views
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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
 • 65,730 points • 1,411 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
 • 65,730 points • 1,523 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 • 1,123 views
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0 answers

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
 • 1,012 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 • 4,693 views
0 votes
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
 • 65,730 points • 860 views
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1 answer

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
 • 65,730 points • 1,430 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
 • 65,730 points • 1,055 views
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1 answer

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 • 1,291 views
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1 answer

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
 • 65,730 points • 1,268 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 • 1,401 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
 • 1,057 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
 • 69,180 points • 7,396 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
 • 65,730 points • 1,014 views
0 votes
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
 • 65,730 points • 1,055 views
0 votes
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
 • 65,730 points • 1,117 views
0 votes
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
 • 985 views
0 votes
1 answer

Sqoop Validator Failure Handling

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

May 15, 2019 in Big Data Hadoop by Rajat
 • 1,024 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
 • 1,015 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 • 1,088 views
0 votes
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 • 991 views
0 votes
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
 • 65,730 points • 961 views
0 votes
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
 • 65,730 points • 1,447 views
0 votes
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
 • 839 views
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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 • 2,436 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
 • 69,180 points • 4,546 views
0 votes
1 answer

Edge nodes in Hadoop

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

Feb 19, 2019 in Big Data Hadoop by Siri
 • 4,583 views
0 votes
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
 • 822 views
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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
 • 4,620 points
edited May 14, 2019 by Omkar • 946 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 • 1,059 views
0 votes
1 answer

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
 • 65,730 points • 2,381 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
 • 65,730 points • 1,149 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
 • 751 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
 • 735 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
 • 69,180 points • 8,977 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 • 590 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
 • 65,730 points • 1,141 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 • 1,079 views
0 votes
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 • 723 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 • 8,306 views
0 votes
10 answers

What is the difference between Mongodb and Hadoop?

MongoDB is a NoSQL database, whereas Hadoop is ...READ MORE

Jun 20, 2018 in Big Data Hadoop by jenny_code
 • 13,577 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
 • 65,730 points
edited May 8, 2019 by Gitika • 1,051 views
0 votes
1 answer

Hey I am install Hadoop on single node and run program that file size is 3.2 GB and the time is 25 mins، Is this true or get less time. Thanks

Not sure what exactly you mean by ...READ MORE

Apr 22, 2019 in Big Data Hadoop by Shaam
 • 1,757 views
0 votes
1 answer

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 • 18,169 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
 • 65,730 points • 1,060 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
 • 69,180 points • 6,460 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 • 4,851 views
0 votes
1 answer

What is the difference in DistCP command and Sqoop command in Hadoop?

Both the distCP (Distributed copy in Hadoop) ...READ MORE

Apr 11, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 2,125 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 • 2,121 views
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