Recent questions tagged big-data

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How to use Sqoop in Java Program?

Nov 19, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 1,844 views
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1 answer

Hadoop MapReduce intermediate output

Nov 16, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 716 views
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1 answer

Hadoop: Error: Could not find or load main class org.apache.hadoop.util.VersionInfo

Nov 16, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 12,858 views
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1 answer

Hadoop with Python: How to use python to stop Hadoop tasktracker?

Nov 16, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 703 views
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1 answer

Hadoop Pig: java.lang.NoClassDefFoundError: org/apache/hadoop/hbase/filter/Filter

Nov 16, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 2,077 views
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1 answer

Hadoop Pig: How to include external jar file in PIG?

Nov 16, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 1,202 views
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1 answer

Hadoop Spark Derby: Caused by: ERROR XSDB6: Another instance of Derby may have already booted the database

Nov 16, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 4,913 views
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1 answer

Hadoop: How to copy directory from local system to hdfs using Java code?

Nov 14, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 5,918 views
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1 answer

Hadoop MacOS: formatting namenode: Could not find or load main class

Nov 13, 2018 in Big Data Hadoop by digger
 • 26,740 points • 1,392 views
+1 vote
2 answers

Hadoop Hive: Not recognizing alias named in select part?

Nov 13, 2018 in Big Data Hadoop by digger
 • 26,740 points • 11,102 views
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1 answer

Hadoop Spark: What is version to find SparkSession in library Spark?

Nov 13, 2018 in Big Data Hadoop by digger
 • 26,740 points • 2,183 views
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1 answer

Hadoop: method to send output to multiple directories

Nov 13, 2018 in Big Data Hadoop by digger
 • 26,740 points • 1,031 views
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1 answer

Hadoop Sqoop: How to change sqoop metastore?

Nov 13, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 1,795 views
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1 answer

Hadoop: Format namenode gives error: Shutting down NameNode at java.net.UnknownHostException

Nov 12, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 5,973 views
0 votes
1 answer

Hadoop Hive: message:Version information not found in metastore. Unable to instantiate

Nov 12, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 3,682 views
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1 answer

Hadoop Oozie: E0902: Exception occured: [User: oozie is not allowed to impersonate oozie]

Nov 12, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 1,175 views
0 votes
1 answer

Hadoop Hive: How to insert data in Hive table?

Nov 12, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 9,870 views
+1 vote
1 answer

Hadoop: Using composite-key

Nov 12, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 2,245 views
0 votes
1 answer

Where can I find AMI for Hadoop on EC2?

Nov 12, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 1,081 views
0 votes
1 answer

How to control logging functionality in Hadoop?

Nov 12, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 4,466 views
0 votes
1 answer

Hadoop: How to use Jps command with Sun JDK installed?

Nov 9, 2018 in Big Data Hadoop by digger
 • 26,740 points • 2,012 views
0 votes
1 answer

Hadoop: Reading and Writing Sequencefile using Apis?

Nov 9, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 789 views
0 votes
3 answers

What does a Hadoop Admin do?

Nov 8, 2018 in Career Counselling by coldcode
 • 2,090 points • 824 views
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1 answer

What skills do I need to become Hadoop Admin?

Nov 8, 2018 in Big Data Hadoop by SayantiniDeb
 • 200 points • 580 views
0 votes
4 answers

What is Scope of Big Data Hadoop In India?

Nov 8, 2018 in Career Counselling by Neha
 • 6,300 points • 2,428 views
+1 vote
3 answers

How do I get job in hadoop as a fresher?

Nov 8, 2018 in Career Counselling by Neha
 • 6,300 points • 1,653 views
0 votes
1 answer

Hadoop: Not able to start Namenode

Nov 8, 2018 in Big Data Hadoop by digger
 • 26,740 points • 2,469 views
0 votes
1 answer

Hadoop Hive: How to skip the first line of csv while loading in hive table?

Nov 8, 2018 in Big Data Hadoop by digger
 • 26,740 points • 9,061 views
0 votes
1 answer

Where can I find logs in Spark on YARN?

Nov 8, 2018 in Big Data Hadoop by digger
 • 26,740 points • 1,055 views
0 votes
1 answer

Hadoop: “Unhealthy Node local-dirs and log-dirs are bad”

Nov 8, 2018 in Big Data Hadoop by digger
 • 26,740 points • 4,338 views
0 votes
1 answer

Is Linux Skills mandatory to become Hadoop developer?

Nov 6, 2018 in Big Data Hadoop by coldcode
 • 2,090 points • 1,095 views
+1 vote
3 answers

How to start career in BiG Data as fresher?

Nov 6, 2018 in Career Counselling by coldcode
 • 2,090 points • 2,253 views
0 votes
3 answers

How to learn Big Data Hadoop?

Nov 6, 2018 in Career Counselling by digger
 • 26,740 points • 1,054 views
0 votes
4 answers

What do I need to know before starting learning Hadoop?

Nov 6, 2018 in Career Counselling by digger
 • 26,740 points • 1,164 views
0 votes
1 answer

Hadoop: java.io.IOException: File could only be replicated to 0 nodes instead of minReplication (=1)

Nov 6, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 3,546 views
0 votes
1 answer

Hadoop Hive: How to split string in Hive?

Nov 6, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 12,150 views
0 votes
1 answer

How to save Spark dataframe as dynamic partitioned table in Hive?

Nov 6, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 8,576 views
0 votes
1 answer

Hadoop: localhost: Error: JAVA_HOME is not set.

Nov 6, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 5,629 views
0 votes
1 answer

Hadoop: What is the difference between `hadoop dfs` and `hadoop fs`?

Nov 6, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 1,881 views
+1 vote
1 answer

Hive: How to use insert query like SQL

Nov 5, 2018 in Big Data Hadoop by digger
 • 26,740 points • 923 views
0 votes
1 answer

Hadoop: Datanode not starting correctly

Nov 5, 2018 in Big Data Hadoop by digger
 • 26,740 points • 2,828 views
0 votes
1 answer

What is Streaming data and Hadoop?

Nov 2, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 1,916 views
0 votes
1 answer

What does AM in “AM Container” mean in Hadoop

Nov 2, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 2,705 views
0 votes
1 answer

Hadoop: How to keep duplicates in Hive using collect_set()?

Nov 2, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 2,617 views
0 votes
1 answer

Hadoop: `.' no such file or directory while installing

Nov 2, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 1,672 views
+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 • 564 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 • 1,380 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 • 19,837 views
0 votes
1 answer

Job and Task Scheduling In Hadoop

Oct 31, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 1,875 views
0 votes
3 answers

Spark Scala: How to list all folders in directory

Oct 31, 2018 in Big Data Hadoop by digger
 • 26,740 points • 17,687 views
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