Recent questions tagged hadoop

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

Nov 16, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 2,449 views
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Hadoop Pig: How to include external jar file in PIG?

Nov 16, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 1,651 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 • 5,513 views
+2 votes
1 answer

Hadoop: Type mismatch in key from map: expected org.apache.hadoop.io.Text, recieved org.apache.hadoop.io.LongWritable

Nov 15, 2018 in Big Data Hadoop by digger
 • 26,740 points • 7,711 views
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Hadoop Hive Hbase: How to insert data into Hbase using Hive (JSON file)?

Nov 15, 2018 in Big Data Hadoop by digger
 • 26,740 points • 3,553 views
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Hadoop HDFS: How to delete old files from HDFS?

Nov 15, 2018 in Big Data Hadoop by digger
 • 26,740 points • 15,109 views
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1 answer

Hadoop Spark: __spark_lib.zip does not exist

Nov 15, 2018 in Big Data Hadoop by digger
 • 26,740 points • 3,346 views
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1 answer

Hadoop Hive: recursively descending into subdirectories without partitions or editing hive-site.xml

Nov 15, 2018 in Big Data Hadoop by digger
 • 26,740 points • 6,114 views
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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 • 6,513 views
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1 answer

Hadoop Hive: How to drop a table?

Nov 14, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 2,405 views
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Hadoop Hive: How to split a single row into multiple rows?

Nov 14, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 10,577 views
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Hadoop Hive: How to convert multiple rows into comma separated values?

Nov 14, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 6,088 views
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1 answer

Hadoop: RHadoop: packages ‘rmr’, ‘rJava‘, ‘RJSONIO‘, ‘rhdfs’, ‘rhbase’, ‘plyrmr’ are not available

Nov 14, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 1,620 views
0 votes
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 • 1,877 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 • 12,170 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 • 2,659 views
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Hadoop: method to send output to multiple directories

Nov 13, 2018 in Big Data Hadoop by digger
 • 26,740 points • 1,438 views
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Hadoop Sqoop: How to change sqoop metastore?

Nov 13, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 2,226 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 • 6,714 views
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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 • 4,226 views
0 votes
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 • 1,600 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 • 10,385 views
+1 vote
1 answer

Hadoop: Using composite-key

Nov 12, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 2,714 views
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1 answer

Where can I find AMI for Hadoop on EC2?

Nov 12, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 1,587 views
0 votes
1 answer

How to control logging functionality in Hadoop?

Nov 12, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 5,016 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 • 2,661 views
0 votes
1 answer

Hadoop: Reading and Writing Sequencefile using Apis?

Nov 9, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 1,321 views
0 votes
3 answers

What does a Hadoop Admin do?

Nov 8, 2018 in Career Counselling by coldcode
 • 2,090 points • 1,376 views
0 votes
1 answer

What skills do I need to become Hadoop Admin?

Nov 8, 2018 in Big Data Hadoop by SayantiniDeb
 • 200 points • 916 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 • 3,266 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 • 2,364 views
0 votes
1 answer

Hadoop: Not able to start Namenode

Nov 8, 2018 in Big Data Hadoop by digger
 • 26,740 points • 3,000 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 • 9,814 views
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1 answer

Where can I find logs in Spark on YARN?

Nov 8, 2018 in Big Data Hadoop by digger
 • 26,740 points • 1,448 views
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1 answer

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

Nov 8, 2018 in Big Data Hadoop by digger
 • 26,740 points • 4,828 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 • 1,511 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 • 2,998 views
0 votes
3 answers

How to learn Big Data Hadoop?

Nov 6, 2018 in Career Counselling by digger
 • 26,740 points • 1,723 views
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4 answers

What do I need to know before starting learning Hadoop?

Nov 6, 2018 in Career Counselling by digger
 • 26,740 points • 2,010 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 • 4,023 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 • 13,226 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 • 9,077 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 • 6,507 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 • 2,340 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 • 1,342 views
0 votes
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Hadoop: Datanode not starting correctly

Nov 5, 2018 in Big Data Hadoop by digger
 • 26,740 points • 3,434 views
0 votes
1 answer

What is Streaming data and Hadoop?

Nov 2, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 2,371 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 • 3,251 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 • 3,238 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 • 2,172 views
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