Recent questions tagged big-data

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Is there any hdfs dfs command to restrict number of files to be created in a directory ?

May 4, 2019 in Big Data Hadoop by vicky
 • 2,268 views
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Explain to me the method to transfer data between Azure tables and Hadoop on Azure

May 3, 2019 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 602 views
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Explain to me the difference between HBase and HDFS.

Apr 12, 2019 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 2,407 views
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Explain to me the concept of HUE.

Apr 11, 2019 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 2,679 views
+1 vote
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Explain to me the difference between HBase and HDFS

Mar 19, 2019 in Big Data Hadoop by ravikiran
 • 4,620 points • 1,073 views
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2 answers

Using PHP to get all file names in a folder stored in HDFS

Mar 9, 2019 in Big Data Hadoop by Bhavish
 • 370 points • 4,388 views
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What does hadoop mean?

Mar 6, 2019 in Big Data Hadoop by ravi
 • 220 points • 889 views
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1 answer

Update hdfs data before stroring in MySql

Jan 27, 2019 in Big Data Hadoop by Shubhash
 • 769 views
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Do we need to format datanode to store data

Jan 15, 2019 in Big Data Hadoop by Sam
 • 160 points • 3,927 views
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Failed to start namenode in hadoop

Jan 12, 2019 in Big Data Hadoop by digger
 • 26,740 points • 13,591 views
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“Unable to load native-hadoop library for your platform” warning: How to resolve it?

Jan 4, 2019 in Java by Sushmita
 • 6,920 points • 2,549 views
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1 answer

Hadoop backup and recovery tool and guidance

Jan 4, 2019 in Big Data Hadoop by Neha
 • 6,300 points • 797 views
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Value for HADOOP_CONF_DIR from Cluster

Jan 4, 2019 in Big Data Hadoop by Neha
 • 6,300 points • 3,154 views
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File is available at HDFS location. Still system throws en error.

Jan 2, 2019 in Big Data Hadoop by digger
 • 26,740 points • 450 views
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Why is HDFS used for the applications with large data sets, and not for the multiple small files?

Dec 19, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 5,589 views
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Can DataNode and NameNode be commodity hardware?

Dec 19, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 3,118 views
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What are active and passive “NameNodes” in Hadoop?

Dec 14, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 3,111 views
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How do I install cloudera Hadoop without internet connection?

Dec 12, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 1,633 views
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What is the difference between Hadoop API and Streaming?

Dec 12, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 1,003 views
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I want to install snappy on Hadoop 1.2.1. How do I do that?

Dec 11, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 1,069 views
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Which is helpful SVN or Git for Hadoop Development?

Dec 7, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 1,190 views
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IDE for writing and running hadoop jobs?

Apr 10, 2018 in Big Data Hadoop by Ashish
 • 2,650 points • 1,878 views
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1 answer

How to configure secondary namenode in Hadoop 2.x ?

Apr 6, 2018 in Big Data Hadoop by Ashish
 • 2,650 points • 1,820 views
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1 answer

which one to choose for log analysis?

Apr 6, 2018 in Big Data Hadoop by kurt_cobain
 • 9,350 points • 719 views
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1 answer

How to get started with Hadoop and do some development using Eclipse IDE?

Apr 4, 2018 in Big Data Hadoop by Damon Salvatore
 • 5,980 points • 2,126 views
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1 answer

Apache Hadoop Yarn example program

Apr 4, 2018 in Big Data Hadoop by Ashish
 • 2,650 points • 1,197 views
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1 answer

When is an identity mapper/reducer used?

Apr 3, 2018 in Big Data Hadoop by kurt_cobain
 • 9,350 points • 2,212 views
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1 answer

Where is Hadoop Classpath?

Apr 2, 2018 in Big Data Hadoop by Ashish
 • 2,650 points • 4,539 views
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1 answer

How hadoop mapreduce job is submitted to worker nodes?

Mar 30, 2018 in Big Data Hadoop by Damon Salvatore
 • 5,980 points • 5,638 views
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1 answer

Why we are configuring mapred.job.tracker in YARN?

Mar 29, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 1,859 views
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1 answer

Is there a good online tutorial for Hadoop development on a Windows 7 machine?

Mar 29, 2018 in Big Data Hadoop by Ashish
 • 2,650 points • 691 views
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1 answer

How to learn Big Data and Ecosystem ?

Mar 27, 2018 in Big Data Hadoop by Ashish
 • 2,650 points • 960 views
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1 answer

Is it possible to only install Hadoop HDFS?

Mar 27, 2018 in Big Data Hadoop by Ashish
 • 2,650 points • 1,398 views
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1 answer

How does the HDFS Client knows the block size while writing?

Mar 27, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 1,102 views
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1 answer

Types of Hadoop Clusters

Mar 26, 2018 in Big Data Hadoop by kurt_cobain
 • 9,350 points • 3,763 views
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1 answer

What is hadoop.tmp.dir ?

Mar 26, 2018 in Big Data Hadoop by DareDev
 • 6,890 points • 6,947 views
+1 vote
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Cassandra and Hadoop - realtime vs batch

Mar 26, 2018 in Big Data Hadoop by kurt_cobain
 • 9,350 points • 1,792 views
+1 vote
1 answer

Where to set hadoop.tmp.dir? core-site.xml or hdfs-site.xml?

Mar 26, 2018 in Big Data Hadoop by kurt_cobain
 • 9,350 points • 9,005 views
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1 answer

Hadoop vs Data Lake

Mar 26, 2018 in Big Data Hadoop by kurt_cobain
 • 9,350 points • 1,933 views
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Testing methods used by a Hadoop developer ?

Mar 26, 2018 in Big Data Hadoop by kurt_cobain
 • 9,350 points • 885 views
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1 answer

Hadoop MapReduce vs MongoDB MapReduce

Mar 26, 2018 in Big Data Hadoop by Shubham
 • 13,490 points • 1,412 views
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Is there a way to copy data from one one Hadoop distributed file system(HDFS) to another HDFS?

Mar 22, 2018 in Big Data Hadoop by Shubham
 • 13,490 points • 9,783 views
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1 answer

How to install and configure a multi-node Hadoop cluster?

Mar 21, 2018 in Big Data Hadoop by kurt_cobain
 • 9,350 points • 2,420 views
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1 answer

How to install Hadoop on Ubuntu?

Mar 21, 2018 in Big Data Hadoop by kurt_cobain
 • 9,350 points • 1,494 views
–1 vote
1 answer

Hadoop dfs -ls command?

Mar 16, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 4,615 views
+2 votes
11 answers

hadoop fs -put command?

Mar 16, 2018 in Big Data Hadoop by kurt_cobain
 • 9,350 points • 108,841 views
0 votes
1 answer

How to get started with Hadoop?

Mar 16, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 1,178 views
0 votes
1 answer

hadoop.mapred vs hadoop.mapreduce?

Mar 16, 2018 in Data Analytics by kurt_cobain
 • 9,350 points • 2,540 views
+1 vote
1 answer

Hadoop Mapreduce word count Program

Mar 16, 2018 in Data Analytics by kurt_cobain
 • 9,350 points • 11,032 views
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1 answer

What do we exactly mean by “Hadoop” – the definition of Hadoop?

Mar 16, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 1,878 views
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