Recent questions tagged big-data

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1 answer

Update hdfs data before stroring in MySql

Jan 27, 2019 in Big Data Hadoop by Shubhash
 • 1,184 views
–1 vote
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How to calculate difference in timestamp columns?

Jan 19, 2019 in Python by digger
 • 26,740 points • 1,316 views
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Failed to start namenode in hadoop

Jan 12, 2019 in Big Data Hadoop by digger
 • 26,740 points • 15,409 views
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Connect to Hive using Pyhive

Jan 8, 2019 in Big Data Hadoop by slayer
 • 29,370 points • 6,048 views
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Spark and Scale Auxiliary constructor doubt

Jan 8, 2019 in Apache Spark by slayer
 • 29,370 points • 1,100 views
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mongo-hadoop connector:how to query data?

Jan 8, 2019 in Big Data Hadoop by Neha
 • 6,300 points • 1,691 views
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Grep across multiple files in Hadoop

Jan 8, 2019 by Neha
 • 6,300 points • 5,212 views
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What is the Path of hdfs.site.xml?

Jan 4, 2019 in Big Data Hadoop by slayer
 • 29,370 points • 2,746 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 • 3,181 views
0 votes
1 answer

Hadoop backup and recovery tool and guidance

Jan 4, 2019 in Big Data Hadoop by Neha
 • 6,300 points • 1,158 views
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Value for HADOOP_CONF_DIR from Cluster

Jan 4, 2019 in Big Data Hadoop by Neha
 • 6,300 points • 3,748 views
–1 vote
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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 • 743 views
–1 vote
1 answer

IDE Eclipse: Failed to locate the winutils binary in the hadoop binary path

Dec 31, 2018 in Big Data Hadoop by digger
 • 26,740 points • 2,130 views
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How to connect hive to tableau?

Dec 28, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 1,993 views
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How will you decide whether you need to use the Capacity Scheduler or the Fair Scheduler?

Dec 20, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 3,358 views
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What is Metastore in Hive?

Dec 20, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 3,521 views
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Apache Spark vs MapReduce

Dec 19, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 1,642 views
+1 vote
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Do Cloudera’s Products Work With My Existing Data Management Infrastructure?

Dec 19, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 1,137 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 • 6,291 views
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Can DataNode and NameNode be commodity hardware?

Dec 19, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 3,731 views
–1 vote
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Where does reduce take place in Hadoop MapReduce?

Dec 18, 2018 in Big Data Hadoop by digger
 • 26,740 points • 1,743 views
0 votes
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What are the different types of tombstone markers in HBase for deletion?

Dec 17, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 3,051 views
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What are the different relational operations in “Pig Latin” you worked with?

Dec 14, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 1,226 views
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Can you build “Spark” with any particular Hadoop version?

Dec 14, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 1,750 views
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Why does one remove or add nodes in a Hadoop cluster frequently?

Dec 14, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 2,778 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 • 3,586 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 • 1,995 views
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1 answer

What is the difference between Hadoop API and Streaming?

Dec 12, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 1,550 views
0 votes
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Number of tasks submitted and executed within the day in hadoop

Dec 12, 2018 in Big Data Hadoop by Irfan
 • 120 points • 1,214 views
0 votes
1 answer

What is local file System?

Dec 11, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 1,713 views
0 votes
1 answer

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 • 1,622 views
0 votes
1 answer

What is distributed Cache in MapReduce Framework ?

Dec 7, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 2,217 views
0 votes
1 answer

Which is helpful SVN or Git for Hadoop Development?

Dec 7, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 1,614 views
0 votes
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Not able to install hadoop using maven

Dec 6, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 2,003 views
0 votes
1 answer

How to move Word and PDF documents to Hadoop HDFS?

Dec 5, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 1,489 views
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Differentiate: hadoop fs -text vs hadoop fs -cat vs hadoop fs -get

Dec 5, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 4,707 views
0 votes
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Why Hadoop is not implemented using MPI?

Dec 4, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 1,241 views
0 votes
1 answer

How to get absolute path of files in a directory in Hadoop?

Dec 4, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 5,246 views
0 votes
1 answer

Unable to set JAVA_HOME path.

Dec 1, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 1,820 views
+1 vote
1 answer

How to limit the number of rows per each item in a Hive QL?

Dec 1, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 28,150 views
0 votes
1 answer

Hive:Unable to insert values to an array column using "insert".

Dec 1, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 9,613 views
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1 answer

How to Upgrade Apache Hadoop from 2.4.1 to 2.6.0

Nov 30, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 2,105 views
0 votes
1 answer

How to include third party library in Python MapReduce?

Nov 27, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 1,313 views
0 votes
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Is the Hadoop scalability linear or proportional to number of nodes?

Nov 27, 2018 in Big Data Hadoop by Jins
 • 140 points • 1,400 views
0 votes
1 answer

Which is the easiest way for text analytics with hadoop?

Nov 22, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 1,368 views
0 votes
1 answer

Error while connecting to Hive using Java JDBC

Nov 22, 2018 in Big Data Hadoop by digger
 • 26,740 points • 2,325 views
0 votes
1 answer

Hadoop Apache: Could not fully initialize service [org.apache.oozie.service.ShareLibService]

Nov 19, 2018 in Big Data Hadoop by digger
 • 26,740 points • 1,415 views
0 votes
1 answer

What is the difference between Hive internal tables and external tables?

Nov 19, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 3,292 views
0 votes
1 answer

How to use Sqoop in Java Program?

Nov 19, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 2,235 views
0 votes
1 answer

Hadoop MapReduce intermediate output

Nov 16, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 997 views
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