Trending questions in Big Data Hadoop

+2 votes
11 answers

hadoop fs -put command?

Hi, You can create one directory in HDFS ...READ MORE

Mar 16, 2018 in Big Data Hadoop by nitinrawat895
• 11,380 points
108,830 views
+11 votes
11 answers

Hadoop “Unable to load native-hadoop library for your platform” warning

modify the glibc version.CentOS provides safe softwares ...READ MORE

Sep 10, 2018 in Big Data Hadoop by bug_seeker
• 15,510 points
71,927 views
0 votes
5 answers

What is the HDFS command to list all the files in HDFS according to the timestamp?

You can try filter using value in ...READ MORE

Dec 7, 2018 in Big Data Hadoop by Lenny
74,037 views
0 votes
1 answer

ERROR 1142 (42000): SELECT command denied to user ''@'localhost' for table 'user'

Hey, This is a mysql command line error ...READ MORE

Jun 20, 2019 in Big Data Hadoop by Gitika
• 65,770 points
55,704 views
0 votes
1 answer

Copy files in different folders in Hadoop.

Hi@akhtar, You can use the cp command in ...READ MORE

Oct 1, 2020 in Big Data Hadoop by MD
• 95,460 points
33,266 views
0 votes
1 answer

How to add column inside a table in Hive?

Hi, Yes, we can add column inside a ...READ MORE

May 15, 2019 in Big Data Hadoop by Gitika
• 65,770 points
54,375 views
+1 vote
12 answers

How to check size of HDFS directory?

It is the same syntax. Use the ...READ MORE

Jun 6, 2019 in Big Data Hadoop by Sowmya
48,214 views
0 votes
11 answers

What is the default Namenode port of HDFS. Is it 8020 or 9000 or 50070?

8020/9000 hadoop namenode metadata port number. or ...READ MORE

Dec 31, 2018 in Big Data Hadoop by SM
62,873 views
0 votes
0 answers
0 votes
1 answer

How to remove files from HDFS system?

Hi@akhtar, You will find rm command in your ...READ MORE

Oct 1, 2020 in Big Data Hadoop by MD
• 95,460 points
25,492 views
0 votes
1 answer

what does velocity in big data mean

Velocity in big data refers to the ...READ MORE

Feb 3, 2022 in Big Data Hadoop by CoolCoder
• 4,420 points
3,773 views
0 votes
1 answer

Which of the following is the daemon of Hadoop?

Hadoop is an open-source software framework for ...READ MORE

Dec 10, 2021 in Big Data Hadoop by CoderGirl
• 500 points
5,883 views
0 votes
1 answer

What does Commodity Hardware in Hadoop World mean?

An important component of the Hadoop Ecosystem ...READ MORE

Dec 9, 2021 in Big Data Hadoop by Kavya
• 700 points
5,453 views
+1 vote
1 answer

FAILED: Execution Error, return code 2 from org.apache.hadoop.hive.ql.exec.mr.MapRedTask

Hi@akhtar, This issue generally occurs when the memory ...READ MORE

Apr 17, 2020 in Big Data Hadoop by MD
• 95,460 points
31,018 views
+1 vote
3 answers

What is the best way to merge multi-part HDFS files into single file?

1. In order to merge two or ...READ MORE

Jul 29, 2019 in Big Data Hadoop by Tina
30,953 views
0 votes
1 answer

What are the five v's of big data

Big data is a collection of data ...READ MORE

Feb 4, 2022 in Big Data Hadoop by surbhi
• 3,820 points
2,072 views
0 votes
1 answer

what are the different features of big data analytics

What are the different features of big ...READ MORE

Feb 4, 2022 in Big Data Hadoop by CoolCoder
• 4,420 points
1,000 views
0 votes
1 answer

What is big data engineering

Data engineer roles have recently become more ...READ MORE

Feb 4, 2022 in Big Data Hadoop by surbhi
• 3,820 points
879 views
0 votes
1 answer

what is big data hadoop

The Hadoop operating system is used to ...READ MORE

Feb 3, 2022 in Big Data Hadoop by CoolCoder
• 4,420 points
862 views
0 votes
1 answer

What was Hadoop written in?

The Hadoop framework is mostly written in ...READ MORE

Dec 9, 2021 in Big Data Hadoop by Kavya
• 700 points
3,304 views
0 votes
1 answer

What was Hadoop named after?

The creator of Hadoop, Doug Cutting named ...READ MORE

Dec 10, 2021 in Big Data Hadoop by CoderGirl
• 500 points
3,286 views
0 votes
0 answers

what are the five v's of big data

Feb 4, 2022 in Big Data Hadoop by surbhi
• 3,820 points
644 views
0 votes
1 answer

what is big data technology

Big data refers to extremely large, and ...READ MORE

Feb 4, 2022 in Big Data Hadoop by CoolCoder
• 4,420 points
654 views
0 votes
1 answer

what is big data concept

Big data refers to extremely large, and ...READ MORE

Feb 4, 2022 in Big Data Hadoop by CoolCoder
• 4,420 points
557 views
0 votes
1 answer

what are the different features of big data analytics

Features of big data analytics are- Velocity The pace ...READ MORE

Feb 1, 2022 in Big Data Hadoop by CoolCoder
• 4,420 points
1,071 views
0 votes
0 answers

what is big data with examples

what is big data with examples READ MORE

Feb 1, 2022 in Big Data Hadoop by surbhi
• 3,820 points
499 views
0 votes
1 answer

what is big data with examples

Big data refers to extremely large, and ...READ MORE

Feb 1, 2022 in Big Data Hadoop by CoolCoder
• 4,420 points
968 views
0 votes
1 answer

which of the following are hadoop built in counters?

MapReduce in Hadoop maintains some built-in counters ...READ MORE

Dec 20, 2021 in Big Data Hadoop by Kavya
• 700 points
2,295 views
0 votes
1 answer

what does velocity in big data mean?

Velocity refers to the speed at which ...READ MORE

Dec 14, 2021 in Big Data Hadoop by Edureka
• 12,690 points
2,212 views
0 votes
1 answer

Which among the following are the Features of Hadoop?

Apache Hadoop is a collection of open-source ...READ MORE

Dec 9, 2021 in Big Data Hadoop by Kavya
• 700 points
2,565 views
0 votes
1 answer

what is big data concept

Big data refers to extremely large, and ...READ MORE

Feb 1, 2022 in Big Data Hadoop by CoolCoder
• 4,420 points
588 views
0 votes
1 answer

what is big data technology

Big data refers to extremely large, and ...READ MORE

Feb 1, 2022 in Big Data Hadoop by CoolCoder
• 4,420 points
547 views
0 votes
1 answer

Which of the following is not a hadoop output format?

The Hadoop Output Format checks the Output ...READ MORE

Dec 20, 2021 in Big Data Hadoop by Kavya
• 700 points
1,877 views
0 votes
1 answer

what is pig in big data?

Pig is a high-level programming language for ...READ MORE

Jan 7, 2022 in Big Data Hadoop by Edureka
• 12,690 points
1,010 views
0 votes
1 answer

What is the extension of archive file created in Hadoop?

Hadoop archive is a facility which packs ...READ MORE

Dec 9, 2021 in Big Data Hadoop by Kavya
• 700 points
2,143 views
0 votes
0 answers

what are the problems associated with big data

what are the problems associated with big ...READ MORE

Jan 7, 2022 in Big Data Hadoop by surbhi
• 3,820 points
575 views
0 votes
1 answer

which of the following says hadoop provides does pig break?

Apache Pig is a platform for analyzing ...READ MORE

Dec 24, 2021 in Big Data Hadoop by Kavya
• 700 points
1,125 views
0 votes
1 answer

What is HDFS?

HDFS is a distributed file system that ...READ MORE

Dec 24, 2021 in Big Data Hadoop by Kavya
• 700 points
966 views
0 votes
1 answer

What is MapReduce?

MapReduce is a programming model and implementation ...READ MORE

Dec 24, 2021 in Big Data Hadoop by Kavya
• 700 points
962 views
0 votes
0 answers

what are the characteristics of big data?

Jan 5, 2022 in Big Data Hadoop by Edureka
• 13,620 points
397 views
0 votes
1 answer

what was Hadoop written in?

The Hadoop framework is primarily developed in ...READ MORE

Dec 14, 2021 in Big Data Hadoop by Edureka
• 12,690 points
1,099 views
0 votes
1 answer

what is hbase in hadoop?

HBase is an open-source non-relational distributed database ...READ MORE

Dec 14, 2021 in Big Data Hadoop by anonymous
1,038 views
0 votes
1 answer

what is hadoop ecosystem?

Hadoop Ecosystem is neither a programming language ...READ MORE

Dec 20, 2021 in Big Data Hadoop by Kavya
• 700 points
873 views
0 votes
1 answer

What is apache hadoop?

Apache Hadoop is an open-source framework that ...READ MORE

Dec 14, 2021 in Big Data Hadoop by anonymous
986 views
0 votes
1 answer

when is hadoop useful for an application?

Hadoop is a software framework for storing ...READ MORE

Dec 20, 2021 in Big Data Hadoop by CoderGirl
• 500 points
688 views
0 votes
0 answers

Which of the following platforms does hadoop run on?

Which of the following platforms does hadoop ...READ MORE

Dec 10, 2021 in Big Data Hadoop by Kavya
• 700 points
984 views
0 votes
0 answers

what is big data technology?

Dec 17, 2021 in Big Data Hadoop by Edureka
• 13,620 points
484 views
0 votes
2 answers

What is Hadoop used for?

Apache Hadoop is an open-source framework that ...READ MORE

Dec 10, 2021 in Big Data Hadoop by CoderGirl
• 500 points
837 views
0 votes
0 answers

What is Hadoop Cluster?

Cluster is a collection of something, a ...READ MORE

Dec 9, 2021 in Big Data Hadoop by Kavya
• 700 points
677 views