Recent posts under tag hdfs

+1 vote

Hadoop Tutorial

posted Mar 8, 2018 by Pritam Pal

+1 vote

1 answer

Performance issue when using "hdfs setfacl -R"?

posted Jan 17, 2018 by anonymous

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What is the meaning of underreplication in HDFS? [MCQ]

posted Nov 30, 2017 by anonymous

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For the frequently accessed HDFS files the blocks are cached in [MCQ]

posted Nov 30, 2017 by anonymous

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Which of the following is not permitted on HDFS files [MCQ]

posted Nov 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

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What is a block and block scanner in HDFS?

posted Jun 22, 2017 by Karthick.c

+2 votes

1 answer

What is the process to change the files at arbitrary locations in HDFS?

posted Jan 11, 2017 by Jdk

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What happens to a read operation when the file is moved to trash in HDFS?

posted Mar 8, 2016 by Naveena Garg

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1 answer

Can the blocks be broken in HDFS file system?

posted Nov 25, 2015 by anonymous

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How do I customize data placement on DataNodes (DN) of Hadoop cluster?

posted Oct 27, 2015 by Sudhakar Singh

+2 votes

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How to find min, max and mean of wordcount from text file in hadoop mapreduce?

posted Oct 16, 2015 by Sathish

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1 answer

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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1 answer

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

+1 vote

1 answer

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

posted May 16, 2015 by Sudhakar Singh

+3 votes

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How to find execution time of a MapReduce job?

posted May 15, 2015 by Sudhakar Singh

+3 votes

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

posted May 3, 2015 by Sudhakar Singh

+1 vote

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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1 answer

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

posted Feb 21, 2015 by anonymous

+2 votes

1 answer

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

posted Feb 21, 2015 by anonymous

+1 vote

1 answer

Hadoop: How Client communicates with HDFS?

posted Dec 29, 2014 by Amit Kumar Pandey

+2 votes

0 answers

Error while writing to HDFS NFS from windows

posted Nov 7, 2014 by anonymous

+2 votes

1 answer

HDFS - Consolidate 2 small volumes into 1 large volume

posted Oct 21, 2014 by anonymous

+4 votes

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Hadoop / HBase hotspotting / overloading specific nodes

posted Oct 9, 2014 by anonymous

+3 votes

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Support multiple block placement policies for HDFS?

posted Sep 15, 2014 by anonymous

+2 votes

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HDFS dfsclient: possible to force storage datanode ?

posted Aug 20, 2014 by anonymous

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1 answer

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

posted Jun 30, 2014 by Bob Wise

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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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HDFS and YARN security and interface impacts

posted Apr 20, 2014 by Sidharth

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1 answer

Streaming data access in HDFS: Design Feature

posted Mar 5, 2014 by Abhay Kulkarni

+1 vote

Bizosys is looking for BIG Data Developer (Bangalore)

posted Feb 12, 2014 by anonymous

+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

NFS HDFS gateway with kerberos

posted Jan 31, 2014 by Jai Prakash

+1 vote

2 answers

HDFS data transfer is faster than SCP based transfer?

posted Jan 24, 2014 by Deepti Singh

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HDFS federation configuration

posted Jan 23, 2014 by Bob Wise

+2 votes

0 answers

Tips for optimizing HDFS writes with replication=1?

posted Jan 22, 2014 by Kiran Kumar

+2 votes

2 answers

Hadoop: Mounting HDFS on client

posted Dec 20, 2013 by Deepankar Dubey

+1 vote

0 answers

HDFS Data Integrity in copyToLocal

posted Dec 18, 2013 by Ahmed Patel

+2 votes

1 answer

Hadoop: HDFS short-circuit reads

posted Dec 17, 2013 by Sumit Pokharna