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
 • 29,350 points • 1,856 views
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Hadoop Pig: How to include external jar file in PIG?

Nov 16, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 835 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
 • 29,350 points • 4,347 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 • 6,001 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 • 2,652 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 • 13,507 views
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Hadoop Spark: __spark_lib.zip does not exist

Nov 15, 2018 in Big Data Hadoop by digger
 • 26,740 points • 2,420 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 • 5,183 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
 • 29,350 points • 5,291 views
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1 answer

Hadoop Hive: How to drop a table?

Nov 14, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 1,797 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
 • 29,350 points • 8,626 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
 • 29,350 points • 4,958 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
 • 29,350 points • 818 views
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Hadoop MacOS: formatting namenode: Could not find or load main class

Nov 13, 2018 in Big Data Hadoop by digger
 • 26,740 points • 999 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 • 10,325 views
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Hadoop Spark: What is version to find SparkSession in library Spark?

Nov 13, 2018 in Big Data Hadoop by digger
 • 26,740 points • 1,774 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 • 742 views
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Hadoop Sqoop: How to change sqoop metastore?

Nov 13, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 1,507 views
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Hadoop: Format namenode gives error: Shutting down NameNode at java.net.UnknownHostException

Nov 12, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 5,330 views
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Hadoop Hive: message:Version information not found in metastore. Unable to instantiate

Nov 12, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 3,308 views
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Hadoop Oozie: E0902: Exception occured: [User: oozie is not allowed to impersonate oozie]

Nov 12, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 914 views
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Hadoop Hive: How to insert data in Hive table?

Nov 12, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 9,471 views
+1 vote
1 answer

Hadoop: Using composite-key

Nov 12, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 1,885 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 • 856 views
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1 answer

How to control logging functionality in Hadoop?

Nov 12, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 4,181 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 • 1,675 views
0 votes
1 answer

Hadoop: Reading and Writing Sequencefile using Apis?

Nov 9, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 347 views
0 votes
3 answers

What does a Hadoop Admin do?

Nov 8, 2018 in Career Counselling by coldcode
 • 2,080 points • 537 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 • 358 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 • 1,922 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 • 1,253 views
0 votes
1 answer

Hadoop: Not able to start Namenode

Nov 8, 2018 in Big Data Hadoop by digger
 • 26,740 points • 2,102 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 • 8,462 views
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Where can I find logs in Spark on YARN?

Nov 8, 2018 in Big Data Hadoop by digger
 • 26,740 points • 857 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 • 3,843 views
0 votes
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Is Linux Skills mandatory to become Hadoop developer?

Nov 6, 2018 in Big Data Hadoop by coldcode
 • 2,080 points • 870 views
+1 vote
3 answers

How to start career in BiG Data as fresher?

Nov 6, 2018 in Career Counselling by coldcode
 • 2,080 points • 1,821 views
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3 answers

How to learn Big Data Hadoop?

Nov 6, 2018 in Career Counselling by digger
 • 26,740 points • 758 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 • 661 views
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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
 • 29,350 points • 3,218 views
0 votes
1 answer

Hadoop Hive: How to split string in Hive?

Nov 6, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 11,309 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
 • 29,350 points • 8,211 views
0 votes
1 answer

Hadoop: localhost: Error: JAVA_HOME is not set.

Nov 6, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 4,744 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
 • 29,350 points • 1,575 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 • 618 views
0 votes
1 answer

Hadoop: Datanode not starting correctly

Nov 5, 2018 in Big Data Hadoop by digger
 • 26,740 points • 2,316 views
0 votes
1 answer

What is Streaming data and Hadoop?

Nov 2, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 1,578 views
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1 answer

What does AM in “AM Container” mean in Hadoop

Nov 2, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 2,164 views
0 votes
1 answer

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

Nov 2, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 2,068 views
0 votes
1 answer

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

Nov 2, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 1,348 views
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