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
 • 531 views
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1 answer

Running Mapreduce on compressed data

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

How to Compress Map output?

Jul 24, 2019 in Big Data Hadoop by karan
 • 1,404 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
 • 3,832 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 • 3,329 views
0 votes
1 answer

How to download Large Hadoop[]closed] Data?

Jul 23, 2019 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 1,136 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 • 3,246 views
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pattern mapreduce

Jul 23, 2019 in Big Data Hadoop by tiza
 • 498 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
 • 3,373 views
0 votes
1 answer

HBase shell failed to connect

Jul 23, 2019 in Big Data Hadoop by Esha
 • 1,736 views
0 votes
1 answer

Unable to run Sqoop scirpt to copy data to Cassandra

Jul 23, 2019 in Big Data Hadoop by Tina
 • 1,170 views
0 votes
2 answers

Not Able to read the file from hdfs location

Jul 23, 2019 in Big Data Hadoop by Reshma
 • 2,254 views
0 votes
1 answer

How to import data to hbase database?

Jul 23, 2019 in Big Data Hadoop by Joshua
 • 2,911 views
0 votes
1 answer

How to restart failed Namenode?

Jul 23, 2019 in Big Data Hadoop by Karan
 • 3,291 views
0 votes
1 answer

Spark to Hive Table creation

Jul 23, 2019 in Apache Spark by Esha
 • 1,637 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
 • 698 views
0 votes
1 answer

How to Sqoop in a Java Program?

Jul 22, 2019 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 1,688 views
0 votes
2 answers

Namenode is not getting started

Jul 22, 2019 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 1,138 views
0 votes
1 answer

How many partitions can do for one table?

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

Can we use different input and output format classes?

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

Why do we use job.waitForCompletion(true) ?

Jul 22, 2019 in Big Data Hadoop by Raghu
 • 1,071 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
 • 1,159 views
0 votes
1 answer

Output types of mapper and reducer does not match

Jul 22, 2019 in Big Data Hadoop by Karan
 • 2,791 views
0 votes
1 answer

Not a host:port pair: PBUF?

Jul 20, 2019 in Big Data Hadoop by anonymous
 • 200 points • 1,349 views
0 votes
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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
 • 957 views
0 votes
1 answer

Mutliple Output Format in Hadoop

Jul 19, 2019 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 546 views
0 votes
1 answer

Spark Null Pointer Exception.

Jul 19, 2019 in Apache Spark by nitinrawat895
 • 11,380 points • 6,349 views
0 votes
1 answer

How to fix corrupt files on HDFS

Jul 18, 2019 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 1,212 views
0 votes
1 answer

Spark on Yarn

Jul 18, 2019 in Apache Spark by nitinrawat895
 • 11,380 points • 869 views
0 votes
1 answer

Sqoop export not working

Jul 16, 2019 in Big Data Hadoop by Esha
 • 2,874 views
0 votes
1 answer

Spark Vs Hive LLAP Question

Jul 16, 2019 in Big Data Hadoop by Vishnu
 • 3,682 views
0 votes
1 answer

Pig: Difference between inner bag and outer bag

Jul 16, 2019 in Big Data Hadoop by Will
 • 2,782 views
0 votes
1 answer

CSV integration with Hadoop

Jul 16, 2019 in Big Data Hadoop by Sangam
 • 1,090 views
0 votes
1 answer

RDMBS integration with Hadoop

Jul 16, 2019 in Big Data Hadoop by Krishi
 • 651 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
 • 959 views
0 votes
1 answer

Output Splitting problem in Hadoop

Jul 16, 2019 in Big Data Hadoop by Rasheed
 • 1,141 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
 • 11,464 views
0 votes
1 answer

How does data gets split in Sqoop?

Jul 16, 2019 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 8,936 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 • 3,066 views
0 votes
1 answer

Pig script not dumping the data correctly

Jul 15, 2019 in Big Data Hadoop by Tony
 • 1,189 views
0 votes
2 answers

Error in running hdfs commands

Jul 15, 2019 in Big Data Hadoop by Suman
 • 1,699 views
0 votes
1 answer

How to Import the complete directory into HDFS?

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

Which one is better MR or Spark?

Jul 15, 2019 in Big Data Hadoop by Lohit
 • 1,855 views
0 votes
1 answer

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

Jul 15, 2019 in Big Data Hadoop by Quill
 • 3,184 views
0 votes
1 answer

Load data into teradata using sqoop

Jul 15, 2019 in Big Data Hadoop by Kunal
 • 2,097 views
0 votes
2 answers

Exception in thread "main" java.lang.UnsupportedClassVersionError

Jul 15, 2019 in Big Data Hadoop by KS
 • 1,411 views
0 votes
1 answer

Import JSON file into hive

Jul 15, 2019 in Big Data Hadoop by Kiran
 • 14,642 views
0 votes
1 answer

Hive Query to sort data

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

Creating a hive script and execute in the edureka cloudlab.

Jul 14, 2019 in Big Data Hadoop by Brian
 • 730 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
 • 1,053 views
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