Recent questions tagged hadoop

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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 • 2,290 views
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1 answer

What is the benefit of using CDH over other Distributors?

Mar 29, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 985 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 • 1,040 views
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1 answer

Hdfs Service Systemd - startup

Mar 29, 2018 in Big Data Hadoop by coldcode
 • 2,090 points • 3,452 views
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11 answers

What is the default Namenode port of HDFS. Is it 8020 or 9000 or 50070?

Mar 29, 2018 in Big Data Hadoop by Shubham
 • 13,490 points • 65,985 views
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1 answer

What is difference between Oozie workflow, coordinator and bundle ?

Mar 29, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 3,610 views
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1 answer

Differences between Hadoop-common, Hadoop-core and Hadoop-client?

Mar 29, 2018 in Big Data Hadoop by Ashish
 • 2,650 points • 3,572 views
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1 answer

hadoop: command not found

Mar 28, 2018 in Big Data Hadoop by Shubham
 • 13,490 points • 15,833 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 • 1,449 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 • 1,770 views
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1 answer

What is Hadoop Distribution ?

Mar 27, 2018 in Big Data Hadoop by Ashish
 • 2,650 points • 1,214 views
+1 vote
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Is it necessary to use Zookeeper in Hadoop Stack?

Mar 27, 2018 in Big Data Hadoop by kurt_cobain
 • 9,350 points • 1,243 views
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1 answer

Hadoop absolute path - pwd ?

Mar 27, 2018 in Big Data Hadoop by Ashish
 • 2,650 points • 9,568 views
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1 answer

Hadoop on Windows - Training

Mar 27, 2018 in Big Data Hadoop by Ashish
 • 2,650 points • 1,566 views
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1 answer

Moving data to hdfs using copyFromLocal command

Mar 27, 2018 in Big Data Hadoop by Shubham
 • 13,490 points • 10,674 views
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1 answer

Copy file from HDFS to the local file system

Mar 27, 2018 in Big Data Hadoop by coldcode
 • 2,090 points • 17,806 views
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1 answer

How can we send data from MongoDB to Hadoop?

Mar 27, 2018 in Big Data Hadoop by ffdfd
 • 5,550 points • 2,451 views
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1 answer

Can we use Apache Sqoop and Hive both together? What is the difference between the two?

Mar 26, 2018 in Big Data Hadoop by nsv999
 • 5,500 points • 3,210 views
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7 answers

How to run a jar file in hadoop?

Mar 26, 2018 in Big Data Hadoop by Shubham
 • 13,490 points • 27,894 views
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1 answer

Hadoop on cassandra database

Mar 26, 2018 in Big Data Hadoop by Shubham
 • 13,490 points • 1,059 views
0 votes
1 answer

Types of Hadoop Clusters

Mar 26, 2018 in Big Data Hadoop by kurt_cobain
 • 9,350 points • 4,119 views
+1 vote
1 answer

Hadoop Installation Issue on Windows

Mar 26, 2018 in Big Data Hadoop by coldcode
 • 2,090 points • 7,197 views
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1 answer

Which latest Hadoop version is stable?

Mar 26, 2018 in Big Data Hadoop by kurt_cobain
 • 9,350 points • 5,644 views
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1 answer

What is hadoop.tmp.dir ?

Mar 26, 2018 in Big Data Hadoop by DareDev
 • 6,890 points • 7,795 views
0 votes
1 answer

Relationship between Spark, Hadoop and Cassandra?

Mar 26, 2018 in Big Data Hadoop by kurt_cobain
 • 9,350 points • 3,153 views
+1 vote
1 answer

Cassandra and Hadoop - realtime vs batch

Mar 26, 2018 in Big Data Hadoop by kurt_cobain
 • 9,350 points • 2,203 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 • 9,674 views
+1 vote
1 answer

Is Hadoop only Framework in Big Data Ecosystem ?

Mar 26, 2018 in Big Data Hadoop by kurt_cobain
 • 9,350 points • 1,241 views
+1 vote
1 answer

HDFS Permission

Mar 26, 2018 in Big Data Hadoop by kurt_cobain
 • 9,350 points • 1,127 views
0 votes
1 answer

Hadoop vs Data Lake

Mar 26, 2018 in Big Data Hadoop by kurt_cobain
 • 9,350 points • 2,358 views
0 votes
1 answer

Testing methods used by a Hadoop developer ?

Mar 26, 2018 in Big Data Hadoop by kurt_cobain
 • 9,350 points • 1,298 views
0 votes
1 answer

Hadoop MapReduce vs MongoDB MapReduce

Mar 26, 2018 in Big Data Hadoop by Shubham
 • 13,490 points • 1,734 views
0 votes
3 answers

Can we run Spark without using Hadoop?

Mar 23, 2018 in Big Data Hadoop by kurt_cobain
 • 9,350 points • 2,937 views
0 votes
3 answers

What are differences between NameNode and Secondary NameNode?

Mar 23, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 16,486 views
+2 votes
1 answer

Is Kafka and Zookeeper are required in a Big Data Cluster?

Mar 23, 2018 in Big Data Hadoop by Shubham
 • 13,490 points • 2,465 views
0 votes
1 answer

Access DFS through Java API

Mar 23, 2018 in Big Data Hadoop by Ashish
 • 2,650 points • 2,325 views
0 votes
1 answer

What is Hue?

Mar 22, 2018 in Big Data Hadoop by Shubham
 • 13,490 points • 3,931 views
0 votes
1 answer

How to integrate Hadoop with Elasticsearch?

Mar 22, 2018 in Big Data Hadoop by coldcode
 • 2,090 points • 1,967 views
+11 votes
11 answers

Hadoop “Unable to load native-hadoop library for your platform” warning

Mar 22, 2018 in Big Data Hadoop by coldcode
 • 2,090 points • 74,991 views
0 votes
1 answer

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 • 10,182 views
0 votes
1 answer

Hadoop Streaming job vs regular jobs?

Mar 22, 2018 in Data Analytics by Ashish
 • 2,650 points • 1,329 views
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1 answer

Is there any Relationship between Hadoop and Databases?

Mar 21, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 1,175 views
0 votes
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 • 2,899 views
0 votes
1 answer

How Impala is fast compared to Hive in terms of query response?

Mar 21, 2018 in Big Data Hadoop by coldcode
 • 2,090 points • 2,684 views
0 votes
1 answer

How to install Hadoop on Ubuntu?

Mar 21, 2018 in Big Data Hadoop by kurt_cobain
 • 9,350 points • 1,858 views
0 votes
13 answers

What is the difference between Hadoop/HDFS & HBase?

Mar 21, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 35,577 views
0 votes
1 answer

How can I download hadoop documentation for a specific version?

Mar 21, 2018 in Big Data Hadoop by kurt_cobain
 • 9,350 points • 1,317 views
0 votes
1 answer

Where can I find hadoop-streaming.jar JAR file?

Mar 21, 2018 in Big Data Hadoop by Shubham
 • 13,490 points • 8,104 views
+1 vote
1 answer

I installed Spark but while executing command, I am getting ‘hadoop’ command not found error?

Mar 21, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 2,992 views
–1 vote
1 answer

Hadoop dfs -ls command?

Mar 16, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 5,076 views
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