Most voted questions in Big Data Hadoop

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1 answer

Which Windows client is used for Cloudera Hadoop Cluster?

You can very well use VM linux ...READ MORE

Sep 4, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 689 views
0 votes
1 answer

Which is the Real Time Monitoring tool/API for Hadoop?

If you're using Yarn, there's a rest ...READ MORE

Sep 4, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 1,058 views
0 votes
1 answer

What is the best functional language to do Hadoop Map-Reduce?

down voteacceptedBoth Clojure and Haskell are definitely ...READ MORE

Sep 4, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 660 views
0 votes
1 answer

What is the Data format and database choices in Hadoop and Spark?

Use Parquet. I'm not sure about CSV ...READ MORE

Sep 4, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 722 views
0 votes
2 answers

Not able to run Hive queries.

If you are loading your data from ...READ MORE

Mar 3, 2020 in Big Data Hadoop by chima
edited Mar 4, 2020 by Gitika • 1,394 views
0 votes
1 answer

Hadoop Pipe: shared libraries, No such file or directory error

Add -rpath my.zip/lib to LDFLAGS_HDP. For compilation to work, you ...READ MORE

Aug 30, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 833 views
0 votes
1 answer

Hive with JSON: getting EOF exception while querying

You are missing the commas in your ...READ MORE

Aug 30, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 1,397 views
0 votes
1 answer

Hbase REST API: Timerange scan

Looking at the XSD, it seems that ...READ MORE

Aug 30, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 1,381 views
0 votes
1 answer

different schedulers in Hadoop

COSHH – It schedules decisions by considering ...READ MORE

Aug 28, 2018 in Big Data Hadoop by kurt_cobain
 • 9,390 points • 1,079 views
0 votes
2 answers

Difference between Hadoop 1 and 2

Hadoop V.1.x Components Apache Hadoop V.1.x has the ...READ MORE

Aug 28, 2018 in Big Data Hadoop by zombie
 • 3,790 points • 19,003 views
0 votes
1 answer

Speculative Execution in Hadoop

In Hadoop, Speculative Execution is a process ...READ MORE

Aug 28, 2018 in Big Data Hadoop by kurt_cobain
 • 9,390 points • 8,016 views
0 votes
1 answer

Can we integrate Hadoop with Python?

Use Hadoop streaming for using python,php etc ...READ MORE

Aug 23, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 1,383 views
0 votes
1 answer

What is the prerequisite for BigQuery other than SQL?

If you know your SQL, you should ...READ MORE

Aug 23, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 810 views
0 votes
1 answer

How do I print hadoop properties in command line?

You can dump Hadoop config by running: $ ...READ MORE

Aug 23, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 2,247 views
0 votes
1 answer

What is the difference between Big Data and Data Mining?

Big data and data mining are two ...READ MORE

Aug 23, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 595 views
0 votes
1 answer

What are the options for hadoop on scala?

Definitely check out Scalding. Speaking as a user ...READ MORE

Aug 22, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 450 views
0 votes
1 answer

What are the problems in creating volume in mapr hadoop?

It sounds like the user you are ...READ MORE

Aug 22, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 811 views
0 votes
1 answer

How hadoop command works with javac?

Javac is used for compiling your java ...READ MORE

Aug 17, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 2,222 views
0 votes
1 answer

What is the difference between hadoop-1.2.1.bin.tar.gz and hadoop-1.2.1.tar.gz files?

As the name of the file in ...READ MORE

Aug 17, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 1,289 views
0 votes
1 answer

Where are Hadoop's task log files stored?

You can easily find these log files ...READ MORE

Aug 16, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 1,433 views
0 votes
1 answer

How Hadoop distributes block writes into HDFS?

So, what happens is the slave node ...READ MORE

Aug 16, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 383 views
0 votes
1 answer

How will the Fair Scheduler handle more than one Job?

In your case when job B gets ...READ MORE

Aug 16, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 591 views
0 votes
1 answer

Determining HDFS space in a cluster?

There are two ways to determine available ...READ MORE

Aug 16, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 548 views
0 votes
1 answer

How to calculate number of slave nodes?

Total number of slave nodes in your ...READ MORE

Aug 16, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 1,010 views
0 votes
1 answer

Determining number of reduces?

Number of reduces are set by the ...READ MORE

Aug 16, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 344 views
0 votes
1 answer

How does Hadoop's block replacement policy work?

In your case, One copy of the ...READ MORE

Aug 16, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 1,004 views
0 votes
1 answer

What is the difference between local file system commands touch and touchz?

Actually they both do the same except touchz is ...READ MORE

Aug 14, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 2,142 views
0 votes
1 answer

Can I have a list of property files used in Hadoop Framework?

Here is a complete list of configuration ...READ MORE

Aug 14, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 616 views
0 votes
1 answer

How do I get connected to Hadoop and Geo Spatial connector?

There are a number of free and ...READ MORE

Aug 14, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 1,673 views
0 votes
1 answer

Want to have an idea on Hadoop Machine Learning and Data Mining project.

You haven't written anything about your interest. ...READ MORE

Aug 14, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 1,085 views
0 votes
2 answers

Which of these will vanish: Flink vs Spark?

At first glance, Flink and Spark would ...READ MORE

Aug 13, 2018 in Big Data Hadoop by kurt_cobain
 • 9,390 points • 1,019 views
0 votes
2 answers

Which framework allows random, realtime read/write access to hundreds of terabytes of data?

For this type of case you can ...READ MORE

Aug 14, 2018 in Big Data Hadoop by anonymous
 • 2,053 views
0 votes
1 answer

How to count lines in a file on hdfs command?

Use the below commands: Total number of files: hadoop ...READ MORE

Aug 10, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 27,085 views
0 votes
1 answer

What is the difference between a Big Data Warehouse and a traditional Data Warehouse

Hadoop is similar in architecture to MPP data ...READ MORE

Aug 10, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 500 views
0 votes
1 answer

What is the difference between a Big Data Warehouse and a traditional Data Warehouse?

Hadoop is similar in architecture to MPP data ...READ MORE

Aug 10, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 1,165 views
0 votes
1 answer

How to Install Cloudera Manager into my Virtual Machine ?

Before you start anything, First make sure ...READ MORE

Aug 9, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 1,560 views
0 votes
1 answer

How to extract Cloudera Hadoop VM archive?

If you are Windows, you need to ...READ MORE

Aug 9, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 778 views
0 votes
1 answer

When a reduce class also serve as a combiner?

It will act as a combiner when ...READ MORE

Aug 9, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 508 views
0 votes
1 answer

Storing collection of images in HDFS

Using Hadoop Sequence Files, you can store ...READ MORE

Aug 9, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 976 views
0 votes
1 answer

Operation to simulate a Hadoop Production Cluster

In this case, what you can do ...READ MORE

Aug 9, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 631 views
0 votes
1 answer

Determining how many mappers will run?

Here what happens is, each file would ...READ MORE

Aug 9, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 2,248 views
0 votes
1 answer

Example or Use Case of Big Data

Let me answer your questions one by ...READ MORE

Aug 9, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 686 views
0 votes
1 answer

How to assess and compare Hadoop for Business Intelligence?

Hadoop is a great tool to be ...READ MORE

Aug 8, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 420 views
0 votes
1 answer

How to run Map Reduce program using Ubuntu terminal?

 I used the following steps to execute it ...READ MORE

Aug 7, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 3,632 views
0 votes
1 answer

I get an error stating- Hadoop: «ERROR : JAVA_HOME is not set». How to resolve this?

Make sure that you have removed the ...READ MORE

Aug 7, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 5,161 views
0 votes
1 answer

How should I connect Hadoop in C#?

The Uri should be your Cluster Name, ...READ MORE

Aug 7, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 1,596 views
0 votes
2 answers

How does Hadoop/Spark is used for building large analytics report?

The best possible framework for this task ...READ MORE

Aug 7, 2018 in Big Data Hadoop by kurt_cobain
 • 9,390 points • 585 views
0 votes
1 answer

Increasing HFile block size

If you increase the block size then ...READ MORE

Aug 6, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 701 views
0 votes
1 answer

Designing Schema in HBase

Just create a single table with two ...READ MORE

Aug 6, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 621 views
0 votes
1 answer

What are the security guidelines for Impala?

Security Guidelines for Impala: The following are the ...READ MORE

Aug 6, 2018 in Big Data Hadoop by kurt_cobain
 • 9,390 points • 502 views
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