Recent questions tagged hadoop

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1 answer

Produce compressed data from map reduce

Jul 24, 2019 in Big Data Hadoop by sanjeev
 • 720 views
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1 answer

Running Mapreduce on compressed data

Jul 24, 2019 in Big Data Hadoop by Vidya
 • 1,093 views
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1 answer

How to Compress Map output?

Jul 24, 2019 in Big Data Hadoop by karan
 • 1,516 views
0 votes
1 answer

Copy file from local to hdfs from the spark job in yarn mode

Jul 24, 2019 in Apache Spark by Rishi
 • 4,076 views
+1 vote
1 answer

Which programming language is most preferable for working Hadoop? Java and Python? and which one is most easy to learn?

Jul 24, 2019 in Big Data Hadoop by sidra
 • 200 points • 3,463 views
0 votes
1 answer

How to download Large Hadoop[]closed] Data?

Jul 23, 2019 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 1,206 views
0 votes
1 answer

Input file name in the mapper in a Hadoop program

Jul 23, 2019 in Linux Administration by Upasana
 • 8,620 points • 3,482 views
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pattern mapreduce

Jul 23, 2019 in Big Data Hadoop by tiza
 • 548 views
0 votes
1 answer

How can we retrieve/get complete HQL hive query from hive,spark and tez?

Jul 23, 2019 in Big Data Hadoop by Karan
 • 3,729 views
0 votes
1 answer

HBase shell failed to connect

Jul 23, 2019 in Big Data Hadoop by Esha
 • 1,839 views
0 votes
1 answer

Unable to run Sqoop scirpt to copy data to Cassandra

Jul 23, 2019 in Big Data Hadoop by Tina
 • 1,251 views
0 votes
2 answers

Not Able to read the file from hdfs location

Jul 23, 2019 in Big Data Hadoop by Reshma
 • 2,441 views
0 votes
1 answer

How to import data to hbase database?

Jul 23, 2019 in Big Data Hadoop by Joshua
 • 3,218 views
0 votes
1 answer

How to restart failed Namenode?

Jul 23, 2019 in Big Data Hadoop by Karan
 • 3,550 views
0 votes
1 answer

Spark to Hive Table creation

Jul 23, 2019 in Apache Spark by Esha
 • 1,754 views
0 votes
1 answer

How can we ignore header line while loading data into Pig?

Jul 22, 2019 in Big Data Hadoop by Varsha
 • 758 views
0 votes
1 answer

How to Sqoop in a Java Program?

Jul 22, 2019 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 1,984 views
0 votes
2 answers

Namenode is not getting started

Jul 22, 2019 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 1,425 views
0 votes
1 answer

How many partitions can do for one table?

Jul 22, 2019 in Big Data Hadoop by Wali
 • 685 views
0 votes
1 answer

Can we use different input and output format classes?

Jul 22, 2019 in Big Data Hadoop by Tilak
 • 786 views
0 votes
1 answer

Why do we use job.waitForCompletion(true) ?

Jul 22, 2019 in Big Data Hadoop by Raghu
 • 1,182 views
0 votes
1 answer

Mapreduce: What is the use of setting the name of the job?

Jul 22, 2019 in Big Data Hadoop by Quil
 • 1,355 views
0 votes
1 answer

Output types of mapper and reducer does not match

Jul 22, 2019 in Big Data Hadoop by Karan
 • 3,020 views
0 votes
1 answer

Not a host:port pair: PBUF?

Jul 20, 2019 in Big Data Hadoop by anonymous
 • 200 points • 1,533 views
0 votes
0 answers

I have a file of type text and fields separated with 'tab' so how to get avroschema from input text file in python

Jul 19, 2019 in Python by anonymous
 • 1,091 views
0 votes
1 answer

Mutliple Output Format in Hadoop

Jul 19, 2019 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 606 views
0 votes
1 answer

Spark Null Pointer Exception.

Jul 19, 2019 in Apache Spark by nitinrawat895
 • 11,380 points • 6,720 views
0 votes
1 answer

How to fix corrupt files on HDFS

Jul 18, 2019 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 1,400 views
0 votes
1 answer

Spark on Yarn

Jul 18, 2019 in Apache Spark by nitinrawat895
 • 11,380 points • 1,077 views
0 votes
1 answer

Sqoop export not working

Jul 16, 2019 in Big Data Hadoop by Esha
 • 3,139 views
0 votes
1 answer

Spark Vs Hive LLAP Question

Jul 16, 2019 in Big Data Hadoop by Vishnu
 • 3,886 views
0 votes
1 answer

Pig: Difference between inner bag and outer bag

Jul 16, 2019 in Big Data Hadoop by Will
 • 3,198 views
0 votes
1 answer

CSV integration with Hadoop

Jul 16, 2019 in Big Data Hadoop by Sangam
 • 1,253 views
0 votes
1 answer

RDMBS integration with Hadoop

Jul 16, 2019 in Big Data Hadoop by Krishi
 • 732 views
0 votes
1 answer

How to execute combiner and partitioning program without adding package name?

Jul 16, 2019 in Big Data Hadoop by Ritu
 • 1,077 views
0 votes
1 answer

Output Splitting problem in Hadoop

Jul 16, 2019 in Big Data Hadoop by Rasheed
 • 1,330 views
0 votes
1 answer

Copy file from local to hdfs from the spark job in yarn mode

Jul 16, 2019 in Big Data Hadoop by Kriti
 • 11,805 views
0 votes
1 answer

How does data gets split in Sqoop?

Jul 16, 2019 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 9,099 views
0 votes
1 answer

how to store images and videos on to HDFS?

Jul 16, 2019 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 3,237 views
0 votes
1 answer

Pig script not dumping the data correctly

Jul 15, 2019 in Big Data Hadoop by Tony
 • 1,357 views
0 votes
2 answers

Error in running hdfs commands

Jul 15, 2019 in Big Data Hadoop by Suman
 • 1,940 views
0 votes
1 answer

How to Import the complete directory into HDFS?

Jul 15, 2019 in Big Data Hadoop by Naruto
 • 904 views
0 votes
1 answer

Which one is better MR or Spark?

Jul 15, 2019 in Big Data Hadoop by Lohit
 • 1,953 views
0 votes
1 answer

Sqoop: Dsqoop.export.records.per.statement option

Jul 15, 2019 in Big Data Hadoop by Quill
 • 3,487 views
0 votes
1 answer

Load data into teradata using sqoop

Jul 15, 2019 in Big Data Hadoop by Kunal
 • 2,301 views
0 votes
2 answers

Exception in thread "main" java.lang.UnsupportedClassVersionError

Jul 15, 2019 in Big Data Hadoop by KS
 • 1,735 views
0 votes
1 answer

Import JSON file into hive

Jul 15, 2019 in Big Data Hadoop by Kiran
 • 14,938 views
0 votes
1 answer

Hive Query to sort data

Jul 14, 2019 in Big Data Hadoop by Esha
 • 1,071 views
0 votes
1 answer

Creating a hive script and execute in the edureka cloudlab.

Jul 14, 2019 in Big Data Hadoop by Brian
 • 921 views
0 votes
1 answer

Can we change the path where the Hive data is stored in HDFS?

Jul 14, 2019 in Apache Spark by Kevin
 • 1,155 views
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