Trending questions in Big Data Hadoop

0 votes
1 answer

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

Alright, there are couple of things that ...READ MORE

Apr 4, 2018 in Big Data Hadoop by Ashish
• 2,630 points
106 views
0 votes
1 answer

What Distributed Cache is actually used for in Hadoop?

Basically distributed cache allows you to cache ...READ MORE

Apr 2, 2018 in Big Data Hadoop by Ashish
• 2,630 points
172 views
0 votes
1 answer

Hadoop vs Data Lake

A data lake is a storage repository that holds ...READ MORE

Mar 26, 2018 in Big Data Hadoop by Ashish
• 2,630 points
473 views
0 votes
1 answer

What is Hue?

As you said, Hue is a web ...READ MORE

Mar 22, 2018 in Big Data Hadoop by Ashish
• 2,630 points

edited Mar 22, 2018 by Ashish 638 views
0 votes
1 answer

How to install and configure a multi-node Hadoop cluster?

I would recommend you to install Cent ...READ MORE

Mar 21, 2018 in Big Data Hadoop by Shubham
• 13,300 points
657 views
0 votes
1 answer

When hadoop-env.sh will be executed in hadoop

Yes you need to put in the ...READ MORE

Apr 3, 2018 in Big Data Hadoop by kurt_cobain
• 9,240 points
92 views
0 votes
1 answer

Avro - Getting Started

Refer to the example given here. It's ...READ MORE

Apr 4, 2018 in Big Data Hadoop by nitinrawat895
• 10,670 points
45 views
0 votes
1 answer

Will hadoop replace data warehousing?

Mostly the answer is yes hadoop is ...READ MORE

Apr 4, 2018 in Big Data Hadoop by kurt_cobain
• 9,240 points
23 views
0 votes
1 answer

Examples of real world big data open source applications

If you are looking for big data ...READ MORE

Apr 4, 2018 in Big Data Hadoop by kurt_cobain
• 9,240 points
23 views
0 votes
0 answers

Error running hadoop mapreduce in Python using Hadoop Streaming

I was trying a sample mapredyce code ...READ MORE

Apr 2, 2018 in Big Data Hadoop by nitinrawat895
• 10,670 points
128 views
0 votes
1 answer

How to sync Hadoop configuration files to multiple nodes?

For syncing Hadoop configuration files, you have ...READ MORE

Jun 21, 2018 in Big Data Hadoop by HackTheCode
179 views
0 votes
1 answer

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

I really dont know the reason behind ...READ MORE

Mar 29, 2018 in Big Data Hadoop by Ashish
• 2,630 points
222 views
0 votes
1 answer

Why does my yarn application not have logs even with logging enabled?

yarn application -list command shows you all ...READ MORE

Mar 19, 2018 in Big Data Hadoop by kurt_cobain
• 9,240 points
705 views
0 votes
1 answer

How to practice programming with Hadoop?

Well there are multiple ways to solve ...READ MORE

Mar 29, 2018 in Big Data Hadoop by kurt_cobain
• 9,240 points
179 views
0 votes
1 answer

Is Kafka and Zookeeper are required in a Big Data Cluster?

Apache Kafka is one of the components ...READ MORE

Mar 22, 2018 in Big Data Hadoop by nitinrawat895
• 10,670 points
398 views
+1 vote
1 answer

Is it necessary to use Zookeeper in Hadoop Stack?

ZooKeeper is a centralized service for maintaining ...READ MORE

Mar 27, 2018 in Big Data Hadoop by Ashish
• 2,630 points
113 views
0 votes
1 answer

How to start working on Hadoop?

Ok, so basically, you are looking forward ...READ MORE

Mar 29, 2018 in Big Data Hadoop by kurt_cobain
• 9,240 points
61 views
0 votes
1 answer

What is the benefit of using CDH over other Distributors?

CDH is basically a packaged deal, where ...READ MORE

Mar 29, 2018 in Big Data Hadoop by kurt_cobain
• 9,240 points
50 views
0 votes
1 answer

Hadoop on Windows - Training

If your primary objective is to learn ...READ MORE

Mar 27, 2018 in Big Data Hadoop by kurt_cobain
• 9,240 points
129 views
0 votes
1 answer

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

I would suggest you go through this ...READ MORE

Mar 29, 2018 in Big Data Hadoop by kurt_cobain
• 9,240 points
40 views
0 votes
1 answer

Hadoop MapReduce vs MongoDB MapReduce

Hadoop vs MongoDB MR: 1) Hadoop's MR can ...READ MORE

Mar 26, 2018 in Big Data Hadoop by nitinrawat895
• 10,670 points
173 views
0 votes
1 answer

Is it possible to only install Hadoop HDFS?

First of all think of Hadoop as ...READ MORE

Mar 27, 2018 in Big Data Hadoop by kurt_cobain
• 9,240 points
111 views
0 votes
1 answer

Relationship between Spark, Hadoop and Cassandra?

Spark is a distributed in memory processing ...READ MORE

Mar 26, 2018 in Big Data Hadoop by nitinrawat895
• 10,670 points
149 views
0 votes
1 answer

Access DFS through Java API

It is because, may be you are ...READ MORE

Mar 22, 2018 in Big Data Hadoop by nitinrawat895
• 10,670 points
315 views
0 votes
1 answer

How to install Hadoop on Ubuntu?

You can refer to this blog by ...READ MORE

Mar 21, 2018 in Big Data Hadoop by nitinrawat895
• 10,670 points
353 views
0 votes
1 answer

How can we send data from MongoDB to Hadoop?

The MongoDB Connector for Hadoop reads data ...READ MORE

Mar 26, 2018 in Big Data Hadoop by nitinrawat895
• 10,670 points
124 views
0 votes
1 answer

Unable to install RHadoop Packages?

I would recommend you to follow https://github.com/RevolutionAnalytics/rhadoop/wiki/Installing-RHadoop-on-RHEL ...READ MORE

Mar 21, 2018 in Big Data Hadoop by Shubham
• 13,300 points
338 views
0 votes
1 answer

How to create a FileSystem object that can be used for reading from and writing to HDFS?

Read operation on HDFS In order to read ...READ MORE

Mar 21, 2018 in Big Data Hadoop by nitinrawat895
• 10,670 points

edited Mar 21, 2018 by nitinrawat895 329 views
+1 vote
1 answer

Is Hadoop only Framework in Big Data Ecosystem ?

Actually there are many other frameworks, one of ...READ MORE

Mar 26, 2018 in Big Data Hadoop by Ashish
• 2,630 points
75 views
0 votes
1 answer

How Impala is fast compared to Hive in terms of query response?

Impala provides faster response as it uses MPP(massively ...READ MORE

Mar 21, 2018 in Big Data Hadoop by nitinrawat895
• 10,670 points
322 views
0 votes
1 answer

Other Distributed Alternatives to Big Data Hadoop

Yes, there are lot of alternatives to ...READ MORE

Mar 27, 2018 in Big Data Hadoop by coldcode
• 2,020 points
55 views
0 votes
1 answer

How does the HDFS Client knows the block size while writing?

HDFS is designed in a way where ...READ MORE

Mar 27, 2018 in Big Data Hadoop by kurt_cobain
• 9,240 points
39 views
0 votes
1 answer

How to learn Big Data and Ecosystem ?

First understand Big Data and challenges associated ...READ MORE

Mar 27, 2018 in Big Data Hadoop by kurt_cobain
• 9,240 points
37 views
+1 vote
1 answer

I installed Spark but while executing command, I am getting ‘hadoop’ command not found error?

For accessing Hadoop commands & HDFS, you ...READ MORE

Mar 21, 2018 in Big Data Hadoop by Shubham
• 13,300 points
262 views
0 votes
1 answer

What is Hadoop Distribution ?

Some companies release or sell products that ...READ MORE

Mar 27, 2018 in Big Data Hadoop by kurt_cobain
• 9,240 points
34 views
+1 vote
1 answer

HDFS Permission

You have to check permissions on the ...READ MORE

Mar 26, 2018 in Big Data Hadoop by Ashish
• 2,630 points
33 views
0 votes
1 answer

Hadoop on cassandra database

Regarding your question - there is a ...READ MORE

Mar 26, 2018 in Big Data Hadoop by nitinrawat895
• 10,670 points
61 views
0 votes
1 answer

Testing methods used by a Hadoop developer ?

As such, there is no exact way ...READ MORE

Mar 26, 2018 in Big Data Hadoop by Ashish
• 2,630 points
57 views
0 votes
1 answer

How to set a custom install directory for a deb package with fpm

Here's something that you can try... the last ...READ MORE

Mar 26, 2018 in Big Data Hadoop by Amrinder
• 140 points
80 views
0 votes
1 answer

How can I get the respective Bitcoin value for an input in USD when using c#

Simply make call to server and parse ...READ MORE

Mar 25, 2018 in Big Data Hadoop by charlie_brown
• 7,720 points
67 views
0 votes
1 answer

How to integrate Hadoop with Elasticsearch?

The HDFS snapshot/restore plugin comes in three ...READ MORE

Mar 21, 2018 in Big Data Hadoop by nitinrawat895
• 10,670 points
198 views
0 votes
0 answers

Docker: Access a service on host from a container

Mar 26, 2018 in Big Data Hadoop by shubham
• 6,890 points
31 views
0 votes
1 answer

Hadoop security GroupMappingServiceProvider exception for Spark job via Dataproc API

One of the reason behin you getting ...READ MORE

Mar 22, 2018 in Big Data Hadoop by nitinrawat895
• 10,670 points
136 views
0 votes
1 answer

How to run example codes of Hadoop Definitive Guide book?

You will find multiple git repositories where ...READ MORE

Mar 21, 2018 in Big Data Hadoop by Shubham
• 13,300 points
130 views
0 votes
1 answer

How can I download hadoop documentation for a specific version?

You can go through this SVN link:- ...READ MORE

Mar 21, 2018 in Big Data Hadoop by Shubham
• 13,300 points
86 views
0 votes
1 answer

Is there any Relationship between Hadoop and Databases?

As such, there is no relationship between ...READ MORE

Mar 21, 2018 in Big Data Hadoop by kurt_cobain
• 9,240 points
52 views
0 votes
1 answer

What is ClickStream Data Analysis

On a Web site, clickstream analysis (also ...READ MORE

Mar 21, 2018 in Big Data Hadoop by kurt_cobain
• 9,240 points
43 views
0 votes
1 answer

How to get started with Hadoop?

Well, hadoop is actually a framework that ...READ MORE

Mar 21, 2018 in Big Data Hadoop by coldcode
• 2,020 points
94 views
0 votes
1 answer

What do we exactly mean by “Hadoop” – the definition of Hadoop?

The official definition of Apache Hadoop given ...READ MORE

Mar 16, 2018 in Big Data Hadoop by Shubham
205 views
0 votes
1 answer

How can I download only hdfs and not hadoop?

No, you cannot download HDFS alone because ...READ MORE

Mar 15, 2018 in Big Data Hadoop by nitinrawat895
• 10,670 points
87 views