Recent questions tagged hadoop

+1 vote
1 answer

Can R and hadoop be used together to get better results?

Nov 2, 2018 in Data Analytics by Ali
 • 11,360 points • 1,618 views
+2 votes
1 answer

Hadoop Jersey 1.x injection which is now not supported by Weblogic 12C

Oct 31, 2018 in Big Data Hadoop by Aparna
 • 140 points • 2,635 views
0 votes
1 answer

How to convert a string to timestamp with milliseconds in Hive?

Oct 31, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 23,055 views
0 votes
1 answer

Job and Task Scheduling In Hadoop

Oct 31, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 2,883 views
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3 answers

Spark Scala: How to list all folders in directory

Oct 31, 2018 in Big Data Hadoop by digger
 • 26,740 points • 20,824 views
+1 vote
1 answer

What is the technique to know the Default scheduler in hadoop?

Oct 31, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 2,671 views
+1 vote
1 answer

What is difference between Hadoop Namenode HA and HDFS federation?

Oct 31, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 4,866 views
0 votes
1 answer

Hadoop Mapreduce: Error: Could not find or load main class com.sun.tools.javac.Main

Oct 30, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 5,345 views
0 votes
1 answer

Hadoop Mapreduce: Class Not Found Exception

Oct 29, 2018 in Big Data Hadoop by digger
 • 26,740 points • 5,326 views
0 votes
3 answers

Hadoop Spark: How to iterate hdfs directories?

Oct 29, 2018 in Big Data Hadoop by digger
 • 26,740 points • 13,056 views
0 votes
1 answer

Opening a HDFS file in browser

Oct 29, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 12,153 views
0 votes
1 answer

How to uninstall all versions of hadoop completely from the system?

Oct 29, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 12,591 views
0 votes
1 answer

Understanding LongWritable

Oct 29, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 3,762 views
0 votes
1 answer

How do I compile my java program on Ubuntu such that it will refer to hadoop-2.2.0 libraries?

Oct 29, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 2,225 views
0 votes
1 answer

Hadoop: No Such Method Exception

Oct 26, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 2,833 views
0 votes
5 answers

Hadoop hdfs: list all files in a directory and its subdirectories

Oct 26, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 21,905 views
0 votes
1 answer

How to fix corrupt HDFS FIles?

Oct 25, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 4,962 views
+1 vote
3 answers

HIVE: java.net.URISyntaxException

Oct 24, 2018 in Big Data Hadoop by digger
 • 26,740 points • 7,177 views
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3 answers

How to specify KeyValueTextInputFormat Separator in Hadoop-.20 api?

Oct 24, 2018 in Big Data Hadoop by digger
 • 26,740 points • 3,712 views
0 votes
1 answer

Where is hadoop-test.jar in Hadoop2?

Oct 24, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 2,188 views
0 votes
1 answer

What is Hadoop Performance Tuning?

Oct 24, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 1,947 views
+2 votes
5 answers

Not able to start hadoop dfs

Oct 22, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 5,779 views
+2 votes
4 answers

Datanode process not running in Hadoop

Oct 22, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 22,614 views
0 votes
1 answer

Google Hadoop Filesystem Encryption

Oct 18, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 1,606 views
0 votes
1 answer

Is Java alone Sufficient for Hadoop?

Oct 18, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 1,538 views
0 votes
1 answer

What is -cp command in hadoop? How it works?

Oct 17, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 5,562 views
0 votes
1 answer

What is a data serialization system?

Oct 17, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 2,351 views
0 votes
1 answer

How to configure Yarn from command line?

Oct 16, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 3,188 views
0 votes
1 answer

Does Hadoop and Spark support iPv6 now?

Oct 15, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 3,315 views
0 votes
1 answer

Hadoop Cluster Node Setup.

Oct 15, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 1,632 views
+1 vote
1 answer

How to count number of rows in alias in PIG?

Oct 15, 2018 in Big Data Hadoop by digger
 • 26,740 points • 4,329 views
0 votes
1 answer

Run a JAR file on Amazon EMR which I created using Hadoop 2.7.5

Oct 15, 2018 in AWS by findingbugs
 • 4,780 points • 2,501 views
0 votes
1 answer

What are the prerequisites to learn Hadoop in java perspective?

Oct 11, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 2,184 views
0 votes
1 answer

POC for Hadoop in real time scenario

Oct 11, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 2,710 views
0 votes
1 answer

PIG - Found interface org.apache.hadoop.mapreduce.JobContext, but class was expected

Oct 10, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 2,260 views
0 votes
1 answer

Setting textinputformat.record.delimiter in spark

Oct 10, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 3,922 views
0 votes
1 answer

Is it possible to integrate Kdb+ and hadoop?

Oct 10, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 1,991 views
0 votes
1 answer

Is MapR a substitute for MapReduce?

Oct 10, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 2,561 views
0 votes
1 answer

Is it possible to start a zookeeper server instance in process?

Oct 9, 2018 in Big Data Hadoop by digger
 • 26,740 points • 1,875 views
0 votes
1 answer

How to Access Hive via Python?

Oct 9, 2018 in Big Data Hadoop by digger
 • 26,740 points • 19,344 views
0 votes
1 answer

Hadoop on OSX “Unable to load realm info from SCDynamicStore”

Oct 8, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 1,799 views
+2 votes
2 answers

Create HIVE Table with multi character delimiter

Oct 3, 2018 in Big Data Hadoop by digger
 • 26,740 points • 17,214 views
0 votes
1 answer

How can I access S3/S3n from a local Hadoop 2.6 installation?

Oct 3, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 6,834 views
0 votes
1 answer

What is Hadoop Speculative task execution?

Oct 3, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 2,336 views
0 votes
1 answer

What is the difference between Writable & WritableComparable in Hadoop?

Oct 3, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 10,202 views
0 votes
1 answer

out of Memory Error in Hadoop

Oct 1, 2018 in Big Data Hadoop by digger
 • 26,740 points • 2,935 views
0 votes
1 answer

Iterate twice on values (MapReduce)

Oct 1, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 3,461 views
0 votes
2 answers

How to convert .txt file to Hadoop's sequence file format

Sep 28, 2018 in Big Data Hadoop by digger
 • 26,740 points • 4,982 views
+2 votes
5 answers

How to transpose/pivot data in hive?

Sep 28, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 22,706 views
0 votes
1 answer

Using Hadoop for Data Analytics.

Sep 28, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 2,081 views
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