Recent questions tagged big-data

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What is the motivation behind developing Hive?

May 9, 2019 in Big Data Hadoop by dyna
 • 508 views
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1 answer

Features of Hive?

May 9, 2019 in Big Data Hadoop by dona
 • 1,143 views
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1 answer

What is pig storage and why it is used?

May 8, 2019 in Big Data Hadoop by sunny
 • 1,801 views
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1 answer

How to invoke grunt shell?

May 8, 2019 in Big Data Hadoop by jina
 • 1,633 views
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1 answer

Explain to me to download a Hadoop documentation of a particular version.

May 7, 2019 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 527 views
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1 answer

How does Hadoop accesses the files which are distributed among different boundaries?

May 7, 2019 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 745 views
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1 answer

How Dumb operator used in pig?

May 7, 2019 in Big Data Hadoop by disha
 • 697 views
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What are Apache pig running modes?

May 7, 2019 in Big Data Hadoop by sana
 • 735 views
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1 answer

Why JOIN operator is used in pig?

May 7, 2019 in Big Data Hadoop by disha
 • 1,148 views
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1 answer

Why tuple keywords is used in pig?

May 6, 2019 in Big Data Hadoop by pavitra
 • 734 views
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1 answer

What is grunt shell in pig?

May 6, 2019 in Big Data Hadoop by disha
 • 5,604 views
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Is there any hdfs dfs command to restrict number of files to be created in a directory ?

May 4, 2019 in Big Data Hadoop by vicky
 • 2,352 views
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1 answer

How to find the number of null contain in dataframe?

May 3, 2019 in Apache Spark by anonymous
 • 120 points • 5,155 views
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1 answer

What is difference between pig and Mapreduce?

May 3, 2019 in Big Data Hadoop by sunny
 • 1,696 views
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1 answer

Explain to me the method to transfer data between Azure tables and Hadoop on Azure

May 3, 2019 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 624 views
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1 answer

Is it possible to run Apache Spark without Hadoop?

May 3, 2019 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 1,306 views
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1 answer

Explain to me the functionality of Kafka in a Big-Data Cluster

Apr 30, 2019 in Apache Kafka by nitinrawat895
 • 11,380 points • 1,176 views
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1 answer

Why we need to install "ant -Dhadoopversion=23" ? What is the use of this?

Apr 26, 2019 in Big Data Hadoop by rashmi
 • 682 views
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1 answer

Explain to me to run Spark without Hadoop

Apr 12, 2019 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 2,694 views
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1 answer

Spark comparing two big data files using scala

Mar 29, 2019 in Apache Spark by Swaroop
 • 7,273 views
+1 vote
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How do I get number of columns in each line from a delimited file??

Mar 8, 2019 in Apache Spark by Vijay Dixon
 • 190 points • 5,620 views
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1 answer

How to increase the amount of data to be transferred to shuffle service at the same time?

Mar 1, 2019 in Apache Spark by Yashita
 • 1,051 views
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1 answer

Spark workers are not accepting any job (Kubernetes-Docker-Spark)

Feb 27, 2019 in Apache Spark by Hamza
 • 200 points • 2,230 views
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Why doesn't my Spark Yarn client runs on all available worker machines?

Feb 22, 2019 in Apache Spark by Uzair Ahmad
 • 8,290 views
+1 vote
1 answer

Interview Spark

Feb 7, 2019 in Career Counselling by anonymous
 • 1,240 views
+1 vote
1 answer

Spark interview

Feb 7, 2019 in Apache Spark by anonymous
 • 861 views
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1 answer

Sliding function in spark

Jan 29, 2019 in Apache Spark by Suman
 • 2,877 views
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1 answer

Spark and Scale Auxiliary constructor doubt

Jan 8, 2019 in Apache Spark by slayer
 • 29,370 points • 765 views
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1 answer

Is there an API for implementing graphs in Spark?

Jan 5, 2019 in Apache Spark by Neha
 • 6,300 points • 792 views
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1 answer

What is Executor Memory in a Spark application?

Jan 5, 2019 in Apache Spark by Neha
 • 6,300 points • 6,562 views
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1 answer

How to get ID of a map task in Spark?

Nov 20, 2018 in Apache Spark by Neha
 • 6,300 points • 3,501 views
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1 answer

Hadoop Spark Derby: Caused by: ERROR XSDB6: Another instance of Derby may have already booted the database

Nov 16, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 4,839 views
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3 answers

Spark Scala: How to list all folders in directory

Oct 31, 2018 in Big Data Hadoop by digger
 • 26,740 points • 17,614 views
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1 answer

How to read data from S3 in a regular inetrval using Spark Scala

Oct 31, 2018 in AWS by findingbugs
 • 3,260 points • 5,682 views
0 votes
1 answer

Setting textinputformat.record.delimiter in spark

Oct 10, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 2,504 views
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1 answer

Bucketing vs Partitioning in HIve

Jul 9, 2018 in Big Data Hadoop by shams
 • 3,670 points • 27,135 views
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1 answer

Hive tables are not available in tableau

Jun 27, 2018 in Tableau by ffdfd
 • 5,550 points • 1,507 views
+4 votes
3 answers

How should i prepare for CCA 175 Exam?

May 10, 2018 in Career Counselling by Data_Nerd
 • 2,390 points • 4,027 views
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1 answer

Is there a way to copy data from one one Hadoop distributed file system(HDFS) to another HDFS?

Mar 22, 2018 in Big Data Hadoop by Shubham
 • 13,490 points • 9,822 views
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1 answer

Is there any Relationship between Hadoop and Databases?

Mar 21, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 814 views
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13 answers

What is the difference between Hadoop/HDFS & HBase?

Mar 21, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 34,006 views
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1 answer

How can I download hadoop documentation for a specific version?

Mar 21, 2018 in Big Data Hadoop by kurt_cobain
 • 9,350 points • 951 views
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1 answer

Where can I find hadoop-streaming.jar JAR file?

Mar 21, 2018 in Big Data Hadoop by Shubham
 • 13,490 points • 7,425 views
+1 vote
1 answer

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

Mar 21, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 2,449 views
–1 vote
1 answer

Hadoop dfs -ls command?

Mar 16, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 4,658 views
+2 votes
11 answers

hadoop fs -put command?

Mar 16, 2018 in Big Data Hadoop by kurt_cobain
 • 9,350 points • 109,217 views
0 votes
1 answer

hadoop.mapred vs hadoop.mapreduce?

Mar 16, 2018 in Data Analytics by kurt_cobain
 • 9,350 points • 2,601 views
+1 vote
1 answer

Hadoop Mapreduce word count Program

Mar 16, 2018 in Data Analytics by kurt_cobain
 • 9,350 points • 11,104 views
+2 votes
10 answers

Is there any difference between “hdfs dfs” and “hadoop fs” shell commands?

Mar 16, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 34,290 views
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