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
 • 644 views
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1 answer

Features of Hive?

May 9, 2019 in Big Data Hadoop by dona
 • 1,311 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
 • 2,086 views
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1 answer

How to invoke grunt shell?

May 8, 2019 in Big Data Hadoop by jina
 • 1,852 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 • 728 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 • 934 views
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1 answer

How Dumb operator used in pig?

May 7, 2019 in Big Data Hadoop by disha
 • 1,113 views
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What are Apache pig running modes?

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

Why JOIN operator is used in pig?

May 7, 2019 in Big Data Hadoop by disha
 • 1,329 views
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Why tuple keywords is used in pig?

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

What is grunt shell in pig?

May 6, 2019 in Big Data Hadoop by disha
 • 6,179 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
 • 2,703 views
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How to find the number of null contain in dataframe?

May 3, 2019 in Apache Spark by anonymous
 • 120 points • 5,485 views
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What is difference between pig and Mapreduce?

May 3, 2019 in Big Data Hadoop by sunny
 • 1,961 views
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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 • 833 views
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Is it possible to run Apache Spark without Hadoop?

May 3, 2019 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 1,566 views
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Explain to me the functionality of Kafka in a Big-Data Cluster

Apr 30, 2019 in Apache Kafka by nitinrawat895
 • 11,380 points • 1,439 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
 • 874 views
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What are the components in Pig

Apr 26, 2019 in Big Data Hadoop by amrita
 • 2,286 views
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Error:- cannot locate pig-core-hr. jar. do ‘ant -Dhadoopversion=23 jar’

Apr 26, 2019 in Big Data Hadoop by sunny
 • 2,086 views
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Explain to me to run Spark without Hadoop

Apr 12, 2019 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 2,972 views
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Spark comparing two big data files using scala

Mar 29, 2019 in Apache Spark by Swaroop
 • 7,671 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 • 6,111 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
 • 1,333 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 • 2,584 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
 • 8,772 views
+1 vote
1 answer

Spark interview

Feb 7, 2019 in Apache Spark by anonymous
 • 1,186 views
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1 answer

Sliding function in spark

Jan 29, 2019 in Apache Spark by Suman
 • 3,154 views
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1 answer

Spark and Scale Auxiliary constructor doubt

Jan 8, 2019 in Apache Spark by slayer
 • 29,370 points • 975 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 • 1,068 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 • 6,877 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 • 3,747 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 • 5,205 views
0 votes
3 answers

Spark Scala: How to list all folders in directory

Oct 31, 2018 in Big Data Hadoop by digger
 • 26,740 points • 18,269 views
0 votes
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 • 5,952 views
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1 answer

Setting textinputformat.record.delimiter in spark

Oct 10, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 2,810 views
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1 answer

Bucketing vs Partitioning in HIve

Jul 9, 2018 in Big Data Hadoop by shams
 • 3,670 points • 27,542 views
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1 answer

Hive tables are not available in tableau

Jun 27, 2018 in Tableau by ffdfd
 • 5,550 points • 1,791 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 • 4,428 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 • 1,141 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 • 35,377 views
0 votes
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 • 1,292 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 • 8,055 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 • 2,954 views
–1 vote
1 answer

Hadoop dfs -ls command?

Mar 16, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 5,026 views
+2 votes
11 answers

hadoop fs -put command?

Mar 16, 2018 in Big Data Hadoop by kurt_cobain
 • 9,350 points • 112,335 views
0 votes
1 answer

hadoop.mapred vs hadoop.mapreduce?

Mar 16, 2018 in Data Analytics by kurt_cobain
 • 9,350 points • 2,962 views
+1 vote
1 answer

Hadoop Mapreduce word count Program

Mar 16, 2018 in Data Analytics by kurt_cobain
 • 9,350 points • 11,557 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 • 35,931 views
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