Recent posts 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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Questions about usage of Hadoop built-in examples

posted Sep 14, 2015 by anonymous

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

posted Aug 24, 2015 by Bob Wise

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HDFS ls command pretty slow

posted Jul 28, 2015 by anonymous

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Hadoop: namenode doesn't update block locations when data directories of a datanode is changed?

posted Jul 13, 2015 by anonymous

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Can anyone provide me steps to grant a particular user access equivalnent to that of "hdfs" user in hadoop.

posted Jul 7, 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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How to set mapreduce.input.fileinputformat.split.maxsize for a specific job ?

posted May 16, 2015 by Sudhakar Singh

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How to find execution time of a MapReduce job?

posted May 15, 2015 by Sudhakar Singh

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How to access value of variable in Driver class which has been declared and modified inside Mapper class?

posted May 12, 2015 by Sudhakar Singh

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Hadoop: Filtering by value in Reducer

posted May 11, 2015 by Kumar Mitrasen

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distcp takes lots of time to finish between 2 MapReduces

posted May 11, 2015 by Ramakrishnan

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Hive LOAD DATA INPATH imports all records twice?

posted May 8, 2015 by Ramakrishnan

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

posted May 3, 2015 by Sudhakar Singh

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

posted Apr 11, 2015 by Sudhakar Singh

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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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What is Hadoop and Where did Hadoop come from?

posted Apr 10, 2015 by Vrije Mani Upadhyay

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How many daemon processes we can run on a Hadoop cluster?

posted Apr 8, 2015 by Amit Kumar Pandey

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What does mean by TaskInstance in Hadoop?

posted Apr 8, 2015 by Amit Kumar Pandey

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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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Run my own application master on a specific node in a YARN cluster

posted Mar 30, 2015 by anonymous

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Hadoop: got Java.lang.NullPointerException on two node when I restart cluster

posted Mar 17, 2015 by anonymous

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

posted Mar 9, 2015 by anonymous

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Problems installing Hadoop on Windows 7 enterprise N

posted Mar 9, 2015 by anonymous

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How to run hive on windows 7?

posted Mar 9, 2015 by anonymous

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What skills to Learn to become Hadoop Admin

posted Mar 7, 2015 by Sridharan

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Is it possible to use multi-threaded maven mode to build hadoop?

posted Feb 27, 2015 by anonymous

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One time Kerberos exception on secured Hadoop cluster

posted Feb 27, 2015 by anonymous

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

posted Feb 21, 2015 by anonymous

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Hadoop: Running MapReduce jobs in batch mode on different data sets?

posted Feb 21, 2015 by anonymous

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Time out after 600 for YARN mapreduce application

posted Feb 11, 2015 by anonymous

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Hadoop: Map Reduce in Cache

posted Feb 11, 2015 by anonymous

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

posted Jan 15, 2015 by Deepak Dasgupta

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How to migrate hbase table from hbase-0.94 to hbase-0.98 which both belong to different hadoop clusters

posted Jan 8, 2015 by anonymous

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Unit tests on Hadoop Cluster

posted Jan 5, 2015 by anonymous

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Hadoop: How Client communicates with HDFS?

posted Dec 29, 2014 by Amit Kumar Pandey

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Eclipse plugin for Hadoop2.5.2

posted Dec 9, 2014 by anonymous

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Query regarding the object creation in map reduce code

posted Dec 5, 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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What happens when a datanode fails in Hadoop framework?

posted Dec 4, 2014 by Amit Kumar Pandey

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How does speculative execution work in Hadoop?

posted Dec 2, 2014 by Kali Mishra

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What is the purpose of RecordReader in Hadoop?

posted Dec 2, 2014 by Kali Mishra