Recent questions tagged big-data

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Why do we use job.waitForCompletion(true)?

Jul 10, 2019 in Big Data Hadoop by Kunal
 • 4,922 views
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What is the use of setting the name of the job in mapreduce?

Jul 10, 2019 in Big Data Hadoop by Quill
 • 698 views
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How to solve error caused due to output types of mapper and reducer not matching?

Jul 9, 2019 in Big Data Hadoop by Karan
 • 1,228 views
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Scala join comma delimited file as tables

Jul 9, 2019 in Apache Spark by Lohit
 • 1,003 views
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Integration of hbase

Jul 9, 2019 in Big Data Hadoop by Komal
 • 970 views
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Merging Files using PIG

Jul 9, 2019 in Big Data Hadoop by Ritu
 • 720 views
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Query regarding temporary File type conversion of parquet to text

Jul 9, 2019 in Big Data Hadoop by Hanan
 • 1,341 views
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Pdf to csv file format conversions

Jul 9, 2019 in Big Data Hadoop by Shri
 • 1,278 views
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Regarding unstructured data handling in hadoop

Jul 9, 2019 in Big Data Hadoop by Yogi
 • 4,825 views
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Sqoop import error with sqoop job

Jul 9, 2019 in Big Data Hadoop by Esha
 • 2,536 views
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Sending hdfs file to a non hadoop cluster

Jul 9, 2019 in Big Data Hadoop by Firoz
 • 867 views
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Exporting of ORC file to RDBMS using SQOOP

Jul 9, 2019 in Big Data Hadoop by Aisha
 • 2,763 views
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Amazon AWS Web Services

Jul 8, 2019 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 849 views
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Install Hadoop On Ubuntu

Jul 8, 2019 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 639 views
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How to use yield keyword in scala and why it is used instead of println?

Jul 6, 2019 in Apache Spark by gandhi
 • 1,963 views
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How to print loop with condition in scala?

Jul 5, 2019 in Apache Spark by neha
 • 603 views
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How to implement two level loop in scala?

Jul 5, 2019 in Apache Spark by rajiv
 • 795 views
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How can you use "for" statement in scala to print list from collection?

Jul 5, 2019 in Apache Spark by nisha
 • 889 views
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How can we iterate any function using "foreach" function in scala?

Jul 5, 2019 in Apache Spark by nisha
 • 1,651 views
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How to print string text in scala?

Jul 5, 2019 in Apache Spark by rajesh
 • 2,778 views
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How can we optimize and minimize the memory when work with scala use case?

Jul 5, 2019 in Apache Spark by nilam
 • 912 views
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Which syntax to use to take the sum of list of collection in scala?

Jul 5, 2019 in Apache Spark by tanvi
 • 1,925 views
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Creating testjob in sqoop for incremental load

Jul 5, 2019 in Big Data Hadoop by Raman
 • 1,055 views
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How to assign block expression in scala?

Jul 5, 2019 in Apache Spark by tejas
 • 894 views
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How to set rep to particular user in hdfs?

Jul 5, 2019 in Big Data Hadoop by Suraj
 • 754 views
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How to resolve corrupted blocks in Hadoop?

Jul 5, 2019 in Big Data Hadoop by Tarun
 • 5,879 views
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Unable to instantiate hive metastore

Jul 5, 2019 in Big Data Hadoop by Kunal
 • 1,018 views
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load/save in spark

Jul 5, 2019 in Apache Spark by Esha
 • 1,613 views
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1 answer

Hive complex data types

Jul 5, 2019 in Big Data Hadoop by Tina
 • 15,983 views
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How to create dataframe for the comma delimited file?

Jul 5, 2019 in Apache Spark by Yogi
 • 3,557 views
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Spark Installation problem

Jul 5, 2019 in Apache Spark by Jin
 • 4,766 views
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1 answer

How does decreasing the block size make more space on Datanode?

Jul 5, 2019 in Big Data Hadoop by Vishnu
 • 992 views
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Getting error while using sqoop import.

Jul 5, 2019 in Big Data Hadoop by Kiran
 • 1,475 views
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When we create an RDD, does it bring the data and load it into the memory?

Jul 5, 2019 in Apache Spark by geeta
 • 984 views
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Is it mandatory to start Hadoop to run spark application?

Jul 5, 2019 in Apache Spark by disha
 • 1,072 views
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What is Lazy evaluated in Spark?

Jul 5, 2019 in Apache Spark by rashmi
 • 1,436 views
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1 answer

Which File System is supported by Apache Spark?

Jul 5, 2019 in Apache Spark by naina
 • 6,392 views
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1 answer

How will you explain yield keyword in Scala?

Jul 5, 2019 in Apache Spark by jeena
 • 847 views
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1 answer

How to install RHadoop packages (RMR, RHDFS, RHBase)?

Jul 5, 2019 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 2,962 views
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1 answer

Do real-time data processing is possible with Spark SQL?

Jul 5, 2019 in Apache Spark by Tina
 • 1,536 views
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How to install Hadoop on Ubuntu?

Jul 5, 2019 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 769 views
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What is Spark Driver?

Jul 5, 2019 in Apache Spark by nita
 • 2,602 views
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How to run spark in Standalone client mode?

Jul 5, 2019 in Apache Spark by jinish
 • 1,873 views
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How to create RDD as string file?

Jul 5, 2019 in Apache Spark by anand
 • 985 views
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1 answer

error: reassingment to val

Jul 5, 2019 in Apache Spark by nikhil
 • 3,532 views
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1 answer

Merging Files using PIG

Jul 4, 2019 in Big Data Hadoop by Suraj
 • 1,657 views
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1 answer

Explain to me how to transfer data between Azure tables and Hadoop on Azure

Jul 4, 2019 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 759 views
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Relationship between Hadoop and Database

Jul 4, 2019 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 662 views
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What does reduce action do in Spark?

Jul 4, 2019 in Apache Spark by kanika
 • 695 views
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What is RDD Lineage in Spark?

Jul 4, 2019 in Apache Spark by nandini
 • 4,336 views
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