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
 • 4,006 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 • 1,877 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 • 4,410 views
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Explain to me the concept of HUE.

Apr 11, 2019 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 4,018 views
+1 vote
1 answer

Explain to me the difference between HBase and HDFS

Mar 19, 2019 in Big Data Hadoop by ravikiran
 • 4,620 points • 2,506 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 • 8,494 views
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What does hadoop mean?

Mar 6, 2019 in Big Data Hadoop by ravi
 • 220 points • 2,320 views
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Update hdfs data before stroring in MySql

Jan 27, 2019 in Big Data Hadoop by Shubhash
 • 2,168 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 • 6,263 views
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Failed to start namenode in hadoop

Jan 12, 2019 in Big Data Hadoop by digger
 • 26,740 points • 17,717 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 • 4,194 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 • 1,868 views
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Value for HADOOP_CONF_DIR from Cluster

Jan 4, 2019 in Big Data Hadoop by Neha
 • 6,300 points • 4,765 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 • 1,422 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 • 7,443 views
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Can DataNode and NameNode be commodity hardware?

Dec 19, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 4,622 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 • 4,497 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 • 2,782 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 • 2,530 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 • 2,455 views
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1 answer

Which is helpful SVN or Git for Hadoop Development?

Dec 7, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 2,477 views
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IDE for writing and running hadoop jobs?

Apr 10, 2018 in Big Data Hadoop by Ashish
 • 2,650 points • 3,207 views
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How to configure secondary namenode in Hadoop 2.x ?

Apr 6, 2018 in Big Data Hadoop by Ashish
 • 2,650 points • 3,368 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 • 2,218 views
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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 • 4,100 views
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1 answer

Apache Hadoop Yarn example program

Apr 4, 2018 in Big Data Hadoop by Ashish
 • 2,650 points • 2,714 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 • 3,551 views
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1 answer

Where is Hadoop Classpath?

Apr 2, 2018 in Big Data Hadoop by Ashish
 • 2,650 points • 5,967 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 • 7,286 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 • 3,581 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 • 2,134 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 • 2,615 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 • 2,870 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 • 2,492 views
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1 answer

Types of Hadoop Clusters

Mar 26, 2018 in Big Data Hadoop by kurt_cobain
 • 9,350 points • 6,088 views
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1 answer

What is hadoop.tmp.dir ?

Mar 26, 2018 in Big Data Hadoop by DareDev
 • 6,890 points • 9,648 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 • 3,209 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 • 11,522 views
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1 answer

Hadoop vs Data Lake

Mar 26, 2018 in Big Data Hadoop by kurt_cobain
 • 9,350 points • 3,545 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 • 2,309 views
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1 answer

Hadoop MapReduce vs MongoDB MapReduce

Mar 26, 2018 in Big Data Hadoop by Shubham
 • 13,490 points • 2,973 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 • 12,673 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 • 4,268 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 • 3,095 views
–1 vote
1 answer

Hadoop dfs -ls command?

Mar 16, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 8,475 views
+2 votes
11 answers

hadoop fs -put command?

Mar 16, 2018 in Big Data Hadoop by kurt_cobain
 • 9,350 points • 124,386 views
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1 answer

How to get started with Hadoop?

Mar 16, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 3,155 views
0 votes
1 answer

hadoop.mapred vs hadoop.mapreduce?

Mar 16, 2018 in Data Analytics by kurt_cobain
 • 9,350 points • 6,046 views
+1 vote
1 answer

Hadoop Mapreduce word count Program

Mar 16, 2018 in Data Analytics by kurt_cobain
 • 9,350 points • 15,327 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 • 4,254 views
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