Most answered questions under tag hadoop

+1 vote

1 answer

How to limit the number of containers requested by a pig script?

posted Oct 21, 2014 by anonymous

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Hadoop on Windows 8 with Java 8

posted Aug 28, 2014 by Naveena Garg

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When I submit a map reduce job, would it only work on the files present at that point?

posted Aug 27, 2014 by Vijay Shukla

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What is hadoop?

posted Jul 30, 2014 by anonymous

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Hadoop: Is it a good idea to delete / move the default configuration xml file ?

posted Jul 21, 2014 by Sanketi Garg

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HDFS: How quickly can I increase the number of replicas?

posted Jun 30, 2014 by Bob Wise

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How to work on Hadoop platform?

posted Jun 11, 2014 by Joy Dutta

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How to upgrade from Hadoop 2.3 to Hadoop 2.4?

posted May 30, 2014 by Meenal Mishra

+1 vote

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How to upgrade hadoop cluster?

posted May 19, 2014 by Navneet

+2 votes

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Hadoop: unexpected URISyntaxException

posted Apr 28, 2014 by Tarun Singhal

+1 vote

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Hadoop: calling mapreduce from webservice

posted Apr 18, 2014 by Tarun Singhal

+1 vote

1 answer

How to upgrade hadoop from 2.0 to hadoop 2.4.0?

posted Apr 10, 2014 by Jagan Mishra

+1 vote

1 answer

MapReduce for complex key/value pairs?

posted Apr 8, 2014 by Ahmed Patel

+1 vote

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How to customize hadoop configuration for a job?

posted Apr 2, 2014 by Tarun Singhal

+1 vote

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Hadoop source code from github?

posted Mar 24, 2014 by Amit Parthsarthi

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Why can FSDataInputStream.read() only read 2^17 bytes in hadoop2.0?

posted Mar 7, 2014 by Meenal Mishra

+1 vote

1 answer

Streaming data access in HDFS: Design Feature

posted Mar 5, 2014 by Abhay Kulkarni

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Hadoop: jobtracker.jsp doesnot work?

posted Mar 3, 2014 by Sanketi Garg

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Client and NN communication in Hadoop?

posted Feb 27, 2014 by Mandeep Sehgal

+1 vote

1 answer

How to set heartbeat in Hadoop?

posted Feb 27, 2014 by Tarun Singhal

+1 vote

1 answer

Hadoop YARN 2.2.0 Streaming Memory Limitation?

posted Feb 24, 2014 by Jagan Mishra

+2 votes

1 answer

Hadoop/Yarn: Running multiple commands on container

posted Feb 18, 2014 by Ankit

+2 votes

1 answer

Do I need to start haddop on slave also?

posted Feb 17, 2014 by Amit Mishra

+2 votes

1 answer

NFS HDFS gateway with kerberos

posted Jan 31, 2014 by Jai Prakash

+2 votes

1 answer

Does Hadoop/MapReduce have localization feature?

posted Jan 24, 2014 by Amit Mishra

+2 votes

1 answer

Hadoop: JAVA_HOME not set though the workstation has working java

posted Jan 10, 2014 by Tarun Singhal

+3 votes

1 answer

Ways to manage user accounts on hadoop cluster when using kerberos security

posted Jan 7, 2014 by Ahmed Patel

+1 vote

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How to install Snappy for Hadoop

posted Jan 1, 2014 by Deepak Dasgupta

+1 vote

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Hadoop vs Ceph and GlusterFS

posted Dec 28, 2013 by Sanketi Garg

+2 votes

1 answer

Hadoop Pi Example in Yarn

posted Dec 18, 2013 by Meenal Mishra

+2 votes

1 answer

Hadoop: HDFS short-circuit reads

posted Dec 17, 2013 by Sumit Pokharna

+2 votes

1 answer

Hadoop: MiniDFSCluster setup

posted Dec 14, 2013 by Sonu Jindal

+2 votes

1 answer

Hadoop: How to obtain the exception actually failed the job on Mapper or Reducer at runtime?

posted Dec 11, 2013 by Jagan Mishra

+3 votes

1 answer

multiusers in hadoop through LDAP

posted Dec 10, 2013 by Deepankar Dubey

+1 vote

1 answer

Execute hadoop job remotely and programmatically

posted Dec 9, 2013 by Meenal Mishra

+3 votes

1 answer

Hadoop:Name node and data node replacement

posted Dec 9, 2013 by Satish Mishra

+1 vote

1 answer

Setting the HADOOP_HOME_DIR

posted Dec 8, 2013 by Anderson

+1 vote

1 answer

How to set up a hadoop cluster?

posted Dec 8, 2013 by Sumit Pokharna

+2 votes

1 answer

Hadoop:Whats the best way to check the compression codec that an HDFS file was written with?

posted Dec 4, 2013 by Luv Kumar

+3 votes

1 answer

Hadoop-2.2.0 "mapred.child.java.opts"

posted Dec 4, 2013 by Luv Kumar

+2 votes

1 answer

Hadoop: mapreduce.jobtracker.expire.trackers.interval no effect

posted Dec 3, 2013 by Jagan Mishra

+1 vote

1 answer

Operating with Hadoop ?

posted Aug 11, 2013 by Sudhakar Singh

+2 votes

1 answer

How does Big Data analytic differ from the conventional analytic?

posted Jul 19, 2013 by Ujjwal Sinha

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0 answers

Hadoop UI Web Interface

posted May 9, 2018 by Bargavi Kalla

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Which demon is responsible for replication of data in Hadoop? [MCQ]

posted Nov 30, 2017 by anonymous

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The archive file created in Hadoop always has the extension of [MCQ]

posted Nov 30, 2017 by anonymous

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The inter process communication between different nodes in Hadoop uses [MCQ]

posted Nov 30, 2017 by anonymous

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How to write a Job for importing Files from an external Rest API into Hadoop

posted Jul 30, 2017 by anonymous

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How to get info about which data in hdfs or file system that a MapReduce job visits?

posted Jul 27, 2017 by anonymous

+2 votes

0 answers

What are the different types of tombstone markers in HBase for deletion?

posted Jul 26, 2017 by Karthick.c