Most voted questions under tag hadoop

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Issue about enable UseNUMA flag in hadoop framework

posted Sep 19, 2015 by anonymous

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1 answer

Questions about usage of Hadoop built-in examples

posted Sep 14, 2015 by anonymous

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How to renew Kerberos ticket to run balancer for long time?

posted Jul 3, 2015 by anonymous

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Hadoop: how to assign unique ID (Long Value) in mapper

posted Jun 25, 2015 by anonymous

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Joins in Hadoop

posted Jun 24, 2015 by anonymous

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Two hadoop nodes on same machine while a second machine not joining the cluster

posted Jun 16, 2015 by anonymous

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Advantage/disadvantage of dbm vs join vs HBase

posted Jun 7, 2015 by anonymous

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1 answer

How to set mapreduce.input.fileinputformat.split.maxsize for a specific job ?

posted May 16, 2015 by Sudhakar Singh

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distcp takes lots of time to finish between 2 MapReduces

posted May 11, 2015 by Ramakrishnan

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1 answer

How we can install Hadoop 1.2.1 on RHEL 7/6/5 or on CentOS?

posted May 7, 2015 by Amit Kumar Pandey

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hadoop: Is there any way to limit the concurrent running mappers per job?

posted Apr 20, 2015 by Parveen

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1 answer

How to stop a mapreduce job from terminal running on Hadoop Cluster?

posted Apr 11, 2015 by Sudhakar Singh

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1 answer

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

posted Apr 10, 2015 by Sudhakar Singh

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How can I track a job failure on node or list of nodes, using YARN APIs?

posted Apr 6, 2015 by Majula Joshi

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One time Kerberos exception on secured Hadoop cluster

posted Feb 27, 2015 by anonymous

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1 answer

Hadoop: Can RM ignore heartbeats?

posted Feb 24, 2015 by anonymous

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Using Slider as a default mechanism for HBase on HDP 2.2

posted Feb 22, 2015 by anonymous

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1 answer

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

posted Feb 21, 2015 by anonymous

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1 answer

Time out after 600 for YARN mapreduce application

posted Feb 11, 2015 by anonymous

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1 answer

Hadoop: How Client communicates with HDFS?

posted Dec 29, 2014 by Amit Kumar Pandey

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1 answer

Eclipse plugin for Hadoop2.5.2

posted Dec 9, 2014 by anonymous

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What does mean of NameNode in Hadoop?

posted Dec 4, 2014 by Amit Kumar Pandey

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1 answer

What happens when a datanode fails in Hadoop framework?

posted Dec 4, 2014 by Amit Kumar Pandey

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What is the purpose of RecordReader in Hadoop?

posted Dec 2, 2014 by Kali Mishra

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Explain what is JobTracker in Hadoop? What are the actions followed by Hadoop?

posted Nov 18, 2014 by Amit Kumar Pandey

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What is Hadoop Map Reduce? How it works?

posted Nov 18, 2014 by Amit Kumar Pandey

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1 answer

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

posted Oct 21, 2014 by anonymous

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Are there any other security tools for security in hadoop

posted Aug 13, 2014 by Honey

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How to use docker in Hadoop, with patch of YARN-1964?

posted Aug 12, 2014 by anonymous

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high ulimit for file descriptors in Hadoop?

posted Aug 11, 2014 by Bob Wise

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Hadoop and Hive Performance Tuning

posted Jul 31, 2014 by Sonu Jindal

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1 answer

What is hadoop?

posted Jul 30, 2014 by anonymous

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Image processing with hadoop

posted Jul 28, 2014 by Deepti Singh

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Hadoop streaming - Class not found

posted Jul 23, 2014 by Luv Kumar

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How to configure secondary namenode in Hadoop?

posted Jun 18, 2014 by Jagan Mishra

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Adjusting locality calculation in hadoop?

posted Jun 16, 2014 by Garima Jain

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2 answers

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

posted Jun 12, 2014 by Amit Sharma

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Traditional BI (ETL) approach to Hadoop ecosystem

posted Jun 9, 2014 by anonymous

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File Permission Issue using Distributed Cache of Hadoop-2.2.0

posted May 27, 2014 by Majula Joshi

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1 answer

How to upgrade hadoop cluster?

posted May 19, 2014 by Navneet

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Partition file by content based through HDFS

posted May 13, 2014 by Sanketi Garg

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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

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How hadoop can be used machine learning, language processing and fraud detection etc

posted Apr 29, 2014 by Seema Siddique

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What configuration parameters cause a Hadoop 2.x job to run on the cluster?

posted Apr 25, 2014 by Luv Kumar

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1 answer

Hadoop: calling mapreduce from webservice

posted Apr 18, 2014 by Tarun Singhal

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1 answer

How to upgrade hadoop from 2.0 to hadoop 2.4.0?

posted Apr 10, 2014 by Jagan Mishra

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1 answer

MapReduce for complex key/value pairs?

posted Apr 8, 2014 by Ahmed Patel

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DNS pre request for hadoop install

posted Apr 2, 2014 by Dewang Chaudhary

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1 answer

How to customize hadoop configuration for a job?

posted Apr 2, 2014 by Tarun Singhal

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1 answer

Hadoop source code from github?

posted Mar 24, 2014 by Amit Parthsarthi