Recent questions tagged big-data

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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 • 1,712 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 • 3,564 views
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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 • 3,838 views
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1 answer

Hadoop Mapreduce: Class Not Found Exception

Oct 29, 2018 in Big Data Hadoop by digger
 • 26,740 points • 4,299 views
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3 answers

Hadoop Spark: How to iterate hdfs directories?

Oct 29, 2018 in Big Data Hadoop by digger
 • 26,740 points • 11,502 views
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1 answer

Opening a HDFS file in browser

Oct 29, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 10,454 views
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How to uninstall all versions of hadoop completely from the system?

Oct 29, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 11,084 views
0 votes
1 answer

Understanding LongWritable

Oct 29, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 2,732 views
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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 • 1,284 views
0 votes
1 answer

Hadoop: No Such Method Exception

Oct 26, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 1,930 views
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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 • 18,898 views
0 votes
1 answer

How to fix corrupt HDFS FIles?

Oct 25, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 3,557 views
+1 vote
3 answers

HIVE: java.net.URISyntaxException

Oct 24, 2018 in Big Data Hadoop by digger
 • 26,740 points • 5,494 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 • 2,168 views
0 votes
1 answer

Where is hadoop-test.jar in Hadoop2?

Oct 24, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 1,249 views
0 votes
1 answer

What is Hadoop Performance Tuning?

Oct 24, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 1,011 views
+2 votes
5 answers

Not able to start hadoop dfs

Oct 22, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 3,491 views
+2 votes
4 answers

Datanode process not running in Hadoop

Oct 22, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 19,305 views
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1 answer

Google Hadoop Filesystem Encryption

Oct 18, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 788 views
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1 answer

Is Java alone Sufficient for Hadoop?

Oct 18, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 712 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 • 4,313 views
0 votes
1 answer

What is a data serialization system?

Oct 17, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 1,420 views
0 votes
1 answer

How to configure Yarn from command line?

Oct 16, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 2,011 views
0 votes
1 answer

Does Hadoop and Spark support iPv6 now?

Oct 15, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 2,192 views
0 votes
1 answer

Hadoop Cluster Node Setup.

Oct 15, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 672 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 • 3,000 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 • 1,521 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 • 894 views
0 votes
1 answer

POC for Hadoop in real time scenario

Oct 11, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 1,706 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 • 1,226 views
0 votes
1 answer

Setting textinputformat.record.delimiter in spark

Oct 10, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 2,652 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 • 1,074 views
0 votes
1 answer

Is MapR a substitute for MapReduce?

Oct 10, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 1,425 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 • 867 views
0 votes
1 answer

How to Access Hive via Python?

Oct 9, 2018 in Big Data Hadoop by digger
 • 26,740 points • 17,600 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 • 863 views
+2 votes
2 answers

Create HIVE Table with multi character delimiter

Oct 3, 2018 in Big Data Hadoop by digger
 • 26,740 points • 14,892 views
0 votes
1 answer

What is Hadoop Speculative task execution?

Oct 3, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 1,344 views
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1 answer

What is the difference between Writable & WritableComparable in Hadoop?

Oct 3, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 8,196 views
0 votes
1 answer

out of Memory Error in Hadoop

Oct 1, 2018 in Big Data Hadoop by digger
 • 26,740 points • 1,879 views
0 votes
1 answer

Iterate twice on values (MapReduce)

Oct 1, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 2,302 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 • 3,788 views
+2 votes
5 answers

How to transpose/pivot data in hive?

Sep 28, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 20,454 views
0 votes
1 answer

Using Hadoop for Data Analytics.

Sep 28, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 899 views
0 votes
1 answer

How to write a file in HDFS using Java Programming language?

Sep 28, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 3,054 views
0 votes
1 answer

When I try to connect to Hadoop, I get a error as -"Connecting to Resource Manager failed".

Sep 28, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 1,525 views
+3 votes
5 answers

Hadoop DistributedCache is deprecated - what is the preferred API?

Sep 27, 2018 in Big Data Hadoop by digger
 • 26,740 points • 2,587 views
0 votes
1 answer

Permission denied at hdfs

Sep 27, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 2,743 views
0 votes
1 answer

Is Hadoop a good open-source project to join?

Sep 27, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 1,152 views
0 votes
1 answer

Where can I find older versions of Hadoop?

Sep 27, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 962 views
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