Most viewed questions under tag hadoop

+3 votes

2 answers

Is it possible to access a hadoop 1 file system (hdfs) via the hadoop 2.2.0 command line tools?

posted Feb 1, 2014 by Majula Joshi

0 votes

1 answer

Is it possible to turn on data node encryption without kerberos?

posted Apr 6, 2016 by anonymous

0 votes

1 answer

How to upgrade from Hadoop 2.3 to Hadoop 2.4?

posted May 30, 2014 by Meenal Mishra

+2 votes

1 answer

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

posted Dec 3, 2013 by Jagan Mishra

0 votes

2 answers

Hadoop: WholeFileInputFormat takes the entire input file as input or each record(input split) as whole?

posted Jun 28, 2014 by Amit Parthsarthi

+2 votes

0 answers

How to migrate Apache Hadoop 1.x HDFS to Apache Hadoop 2.x HDFS

posted Dec 3, 2013 by Kumar Mitrasen

+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

+1 vote

1 answer

Can we run mapreduce job from eclipse IDE on fully distributed mode hadoop cluster?

posted Apr 10, 2015 by Sudhakar Singh

+1 vote

1 answer

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

posted Oct 21, 2014 by anonymous

+1 vote

0 answers

How to write a custom partitioner for a Hadoop MapReduce job?

posted Dec 26, 2016 by Karthick.c

+1 vote

2 answers

HDFS data transfer is faster than SCP based transfer?

posted Jan 24, 2014 by Deepti Singh

0 votes

1 answer

Unable to use ./hdfs dfsadmin -report with HDFS Federation

posted Aug 24, 2015 by Bob Wise

+2 votes

2 answers

What is Hadoop and Where did Hadoop come from?

posted Apr 10, 2015 by Vrije Mani Upadhyay

+2 votes

0 answers

Run arbitrary job (non-MR) on YARN ?

posted Oct 27, 2014 by Parveen

+2 votes

1 answer

NFS HDFS gateway with kerberos

posted Jan 31, 2014 by Jai Prakash

+3 votes

0 answers

How to partition a file to smaller size for performing KNN in hadoop mapreduce

posted Jan 15, 2015 by Deepak Dasgupta

+3 votes

0 answers

Hadoop Multi-tenant cluster setUp

posted Dec 5, 2013 by Abhay Kulkarni

+1 vote

2 answers

multinode hadoop cluster on vmware

posted Dec 18, 2013 by Jagan Mishra

+1 vote

2 answers

Hadoop as a substitue for ETL tools like SSIS, Informatica?

posted Jun 12, 2014 by Amit Sharma

+1 vote

0 answers

Hadoop and Hive Performance Tuning

posted Jul 31, 2014 by Sonu Jindal

0 votes

1 answer

Hadoop on Windows 8 with Java 8

posted Aug 28, 2014 by Naveena Garg

+2 votes

1 answer

How does Big Data analytic differ from the conventional analytic?

posted Jul 19, 2013 by Ujjwal Sinha

+1 vote

0 answers

How a job works in YARN/Map Reduce? like navigation path...

posted Apr 6, 2016 by Bob Wise

+3 votes

1 answer

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

posted Jan 7, 2014 by Ahmed Patel

+3 votes

0 answers

Can we control data distribution and load balancing in Hadoop Cluster?

posted May 3, 2015 by Sudhakar Singh

+2 votes

0 answers

Issue about running hive MR job in hadoop

posted Jan 3, 2014 by Deepak Dasgupta

+3 votes

2 answers

Hadoop: How reduce tasks know which partition they should read?

posted Mar 9, 2015 by anonymous

+1 vote

1 answer

Hadoop: jobtracker.jsp doesnot work?

posted Mar 3, 2014 by Sanketi Garg

+1 vote

1 answer

Hadoop: How Client communicates with HDFS?

posted Dec 29, 2014 by Amit Kumar Pandey

+2 votes

0 answers

Hadoop logs and mapred.local.dir

posted May 11, 2014 by Kumar Mitrasen

+1 vote

1 answer

Questions about usage of Hadoop built-in examples

posted Sep 14, 2015 by anonymous

+1 vote

0 answers

How to configure secondary namenode in Hadoop?

posted Jun 18, 2014 by Jagan Mishra

0 votes

1 answer

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

0 votes

0 answers

HDFS ls command pretty slow

posted Jul 28, 2015 by anonymous

+1 vote

0 answers

HDFS federation configuration

posted Jan 23, 2014 by Bob Wise

+1 vote

1 answer

Explain the difference between NAS and HDFS?

posted Jan 11, 2017 by Jdk

+4 votes

2 answers

Add few record(s) to a Hive table or a HDFS file on a daily basis

posted Feb 10, 2014 by Tarun Singhal

+2 votes

1 answer

Hadoop/Yarn: Running multiple commands on container

posted Feb 18, 2014 by Ankit

+1 vote

0 answers

File Permission Issue using Distributed Cache of Hadoop-2.2.0

posted May 27, 2014 by Majula Joshi

+1 vote

1 answer

Operating with Hadoop ?

posted Aug 11, 2013 by Sudhakar Singh

+1 vote

0 answers

How to set the environment variables in Hadoop 2.2.0

posted Dec 16, 2013 by Bob Wise

+1 vote

1 answer

Hadoop source code from github?

posted Mar 24, 2014 by Amit Parthsarthi

+1 vote

1 answer

MapReduce for complex key/value pairs?

posted Apr 8, 2014 by Ahmed Patel

0 votes

1 answer

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

posted Jul 21, 2014 by Sanketi Garg

+1 vote

1 answer

How to set heartbeat in Hadoop?

posted Feb 27, 2014 by Tarun Singhal

+1 vote

0 answers

Can I open multiple files on hdfs and write data to them in parallel and then close them at the end?

posted May 12, 2014 by Luv Kumar

0 votes

1 answer

Windows and Linux hadoop cluster

posted Jul 20, 2016 by anonymous

+2 votes

0 answers

Hadoop InputFormat - Processing large number of small files

posted Aug 20, 2014 by Tarun Singhal

+4 votes

0 answers

How can I modify socket limit in linux with hadoop?

posted Apr 23, 2014 by Kiran Kumar

+1 vote

1 answer

Hadoop: HTTPS communication between nodes, how can I confirm ?

posted Feb 21, 2015 by anonymous