Recent questions tagged big-data

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1 answer

Is Hadoop a good open-source project to join?

Apr 12, 2018 in Big Data Hadoop by Ashish
 • 2,650 points • 737 views
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1 answer

Is java necessary for Hadoop?

Apr 11, 2018 in Big Data Hadoop by Ashish
 • 2,650 points • 725 views
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1 answer

How do I parse pdf file using MapReduce?

Apr 11, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 1,641 views
+1 vote
2 answers

How to authenticate username & password while using Connector for Cloudera Hadoop in Tableau?

Apr 11, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 1,681 views
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1 answer

What is the difference between a zero reducer and identity reducer in Hadoop Mapreduce?

Apr 10, 2018 in Big Data Hadoop by Ashish
 • 2,650 points • 2,543 views
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1 answer

What is a importance of Hive ODBC Connector

Apr 10, 2018 in Big Data Hadoop by Ashish
 • 2,650 points • 858 views
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1 answer

Difference between Application Master and Application Manager?

Apr 10, 2018 in Big Data Hadoop by kurt_cobain
 • 9,350 points • 14,608 views
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1 answer

Is there any way to load data from MySql to HDFS?

Apr 10, 2018 in Big Data Hadoop by coldcode
 • 2,090 points • 3,635 views
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1 answer

What are the hardware requirements for installing Hadoop on my Laptop?

Apr 10, 2018 in Big Data Hadoop by kurt_cobain
 • 9,350 points • 8,065 views
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5 answers

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

Apr 10, 2018 in Big Data Hadoop by kurt_cobain
 • 9,350 points • 74,050 views
0 votes
1 answer

How to use custom FileInputFormat in MapReduce?

Apr 10, 2018 in Big Data Hadoop by coldcode
 • 2,090 points • 1,216 views
0 votes
1 answer

How do I include all the Hadoop dependencies using Maven?

Apr 10, 2018 in Big Data Hadoop by coldcode
 • 2,090 points • 6,496 views
0 votes
2 answers

What is a container in YARN?

Apr 10, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 6,777 views
0 votes
1 answer

IDE for writing and running hadoop jobs?

Apr 10, 2018 in Big Data Hadoop by Ashish
 • 2,650 points • 1,878 views
0 votes
1 answer

How do I print hadoop properties in command line?

Apr 6, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 1,809 views
0 votes
3 answers

Cloudera Hadoop - Daemons not running

Apr 6, 2018 in Big Data Hadoop by Ashish
 • 2,650 points • 2,733 views
0 votes
1 answer

How to find hadoop distribution and version?

Apr 6, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 2,008 views
0 votes
1 answer

How to configure secondary namenode in Hadoop 2.x ?

Apr 6, 2018 in Big Data Hadoop by Ashish
 • 2,650 points • 1,818 views
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1 answer

RDBMS Vs Hadoop

Apr 6, 2018 in Big Data Hadoop by Shubham
 • 13,490 points • 845 views
0 votes
1 answer

Different ports in a Hadoop cluster environment?

Apr 6, 2018 in Big Data Hadoop by coldcode
 • 2,090 points • 1,872 views
0 votes
1 answer

How to get started with Hadoop and do some development using Eclipse IDE?

Apr 4, 2018 in Big Data Hadoop by Damon Salvatore
 • 5,980 points • 2,126 views
0 votes
1 answer

How to retrieve the list of sql (Hive QL) commands that has been executed in a hadoop cluster?

Apr 4, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 14,379 views
0 votes
1 answer

Avro - Getting Started

Apr 4, 2018 in Big Data Hadoop by kurt_cobain
 • 9,350 points • 647 views
0 votes
1 answer

Apache Hadoop Yarn example program

Apr 4, 2018 in Big Data Hadoop by Ashish
 • 2,650 points • 1,196 views
0 votes
1 answer

Will hadoop replace data warehousing?

Apr 4, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 645 views
0 votes
1 answer

Examples of real world big data open source applications

Apr 4, 2018 in Big Data Hadoop by Ashish
 • 2,650 points • 1,211 views
0 votes
1 answer

Hadoop: TaskTracker and JobTracker don't start with start-dfs.sh

Apr 4, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 1,536 views
0 votes
1 answer

When hadoop-env.sh will be executed in hadoop

Apr 3, 2018 in Big Data Hadoop by Ashish
 • 2,650 points • 1,247 views
0 votes
1 answer

When is an identity mapper/reducer used?

Apr 3, 2018 in Big Data Hadoop by kurt_cobain
 • 9,350 points • 2,212 views
0 votes
1 answer

What Distributed Cache is actually used for in Hadoop?

Apr 3, 2018 in Big Data Hadoop by Damon Salvatore
 • 5,980 points • 2,155 views
0 votes
1 answer

Where is Hadoop Classpath?

Apr 2, 2018 in Big Data Hadoop by Ashish
 • 2,650 points • 4,537 views
0 votes
1 answer

What's the difference between Hadoop and NoSQL ?

Apr 2, 2018 in Big Data Hadoop by Ashish
 • 2,650 points • 6,690 views
0 votes
1 answer

How hadoop mapreduce job is submitted to worker nodes?

Mar 30, 2018 in Big Data Hadoop by Damon Salvatore
 • 5,980 points • 5,637 views
0 votes
1 answer

How to start working on Hadoop?

Mar 30, 2018 in Big Data Hadoop by Damon Salvatore
 • 5,980 points • 963 views
0 votes
1 answer

Not able to start Job History Server in Hadoop 2.8.1

Mar 30, 2018 in Big Data Hadoop by coldcode
 • 2,090 points • 2,576 views
0 votes
1 answer

Why we are configuring mapred.job.tracker in YARN?

Mar 29, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 1,858 views
0 votes
1 answer

What is the benefit of using CDH over other Distributors?

Mar 29, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 654 views
0 votes
1 answer

Is there a good online tutorial for Hadoop development on a Windows 7 machine?

Mar 29, 2018 in Big Data Hadoop by Ashish
 • 2,650 points • 691 views
0 votes
1 answer

Hdfs Service Systemd - startup

Mar 29, 2018 in Big Data Hadoop by coldcode
 • 2,090 points • 2,945 views
0 votes
11 answers

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

Mar 29, 2018 in Big Data Hadoop by Shubham
 • 13,490 points • 62,877 views
0 votes
1 answer

What is difference between Oozie workflow, coordinator and bundle ?

Mar 29, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 3,110 views
0 votes
1 answer

Differences between Hadoop-common, Hadoop-core and Hadoop-client?

Mar 29, 2018 in Big Data Hadoop by Ashish
 • 2,650 points • 3,191 views
0 votes
1 answer

hadoop: command not found

Mar 28, 2018 in Big Data Hadoop by Shubham
 • 13,490 points • 14,575 views
0 votes
1 answer

How to learn Big Data and Ecosystem ?

Mar 27, 2018 in Big Data Hadoop by Ashish
 • 2,650 points • 958 views
0 votes
1 answer

Is it possible to only install Hadoop HDFS?

Mar 27, 2018 in Big Data Hadoop by Ashish
 • 2,650 points • 1,397 views
0 votes
1 answer

What is Hadoop Distribution ?

Mar 27, 2018 in Big Data Hadoop by Ashish
 • 2,650 points • 945 views
+1 vote
1 answer

Is it necessary to use Zookeeper in Hadoop Stack?

Mar 27, 2018 in Big Data Hadoop by kurt_cobain
 • 9,350 points • 829 views
0 votes
1 answer

Hadoop absolute path - pwd ?

Mar 27, 2018 in Big Data Hadoop by Ashish
 • 2,650 points • 9,010 views
0 votes
1 answer

Hadoop on Windows - Training

Mar 27, 2018 in Big Data Hadoop by Ashish
 • 2,650 points • 1,124 views
0 votes
1 answer

Moving data to hdfs using copyFromLocal command

Mar 27, 2018 in Big Data Hadoop by Shubham
 • 13,490 points • 10,149 views
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