Recent questions tagged hadoop

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1 answer

Need help in Installation of Hadoop

Dec 19, 2018 in Big Data Hadoop by digger
 • 26,740 points • 563 views
–1 vote
1 answer

Display contents of my Parquet file.

Dec 19, 2018 in Big Data Hadoop by digger
 • 26,740 points • 3,254 views
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Sqoop split-by problem

Dec 19, 2018 in Big Data Hadoop by digger
 • 26,740 points • 2,491 views
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Copying jar file into hadoop

Dec 19, 2018 in Big Data Hadoop by digger
 • 26,740 points • 1,464 views
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Getting error when writing to HDFS. Unable to load native-hadoop library for your platform

Dec 19, 2018 in Big Data Hadoop by digger
 • 26,740 points • 1,687 views
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1 answer

If there are two joins in hive, how many mapreduce jobs will run?

Dec 19, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 7,056 views
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1 answer

Hadoop MapReduce wordcount "type job is not applicable for the arguments" error

Dec 19, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 912 views
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1 answer

How to execute wordcount in Hadoop?

Dec 19, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 1,426 views
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1 answer

Apache Spark vs MapReduce

Dec 19, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 1,186 views
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1 answer

What is the difference between MapReduce and YARN in Hadoop?

Dec 19, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 5,786 views
+1 vote
1 answer

Do Cloudera’s Products Work With My Existing Data Management Infrastructure?

Dec 19, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 791 views
+2 votes
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How To Configure Tls Encryption For Cloudera Manager?

Dec 19, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 909 views
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Why is HDFS used for the applications with large data sets, and not for the multiple small files?

Dec 19, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 5,930 views
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Can DataNode and NameNode be commodity hardware?

Dec 19, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 3,375 views
–1 vote
1 answer

Where does reduce take place in Hadoop MapReduce?

Dec 18, 2018 in Big Data Hadoop by digger
 • 26,740 points • 1,457 views
0 votes
1 answer

MapReduce "cannot be resolved to a type" error

Dec 18, 2018 in Big Data Hadoop by digger
 • 26,740 points • 1,709 views
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1 answer

Sqoop import not working

Dec 18, 2018 in Big Data Hadoop by digger
 • 26,740 points • 1,043 views
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How to implement sqoop jobs?

Dec 18, 2018 in Big Data Hadoop by digger
 • 26,740 points • 817 views
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1 answer

Sqoop data transfer with SSL or SFtp

Dec 18, 2018 in Big Data Hadoop by digger
 • 26,740 points • 1,730 views
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1 answer

How to securely transfer data from rdms to hdfs using sqoop?

Dec 18, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 1,513 views
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1 answer

Executing mapper and reducer individually

Dec 18, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 769 views
0 votes
1 answer

Hadoop Data node acknowledgement

Dec 18, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 951 views
+1 vote
1 answer

Unable to load data in Hbase table from dataset

Dec 18, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 2,271 views
+1 vote
1 answer

How to print data without brackets using PIG Dump?

Dec 18, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 2,381 views
0 votes
1 answer

How to change file format using Sqoop?

Dec 18, 2018 in Big Data Hadoop by digger
 • 26,740 points • 2,261 views
0 votes
3 answers

How to change the delimiter in Sqoop?

Dec 18, 2018 in Big Data Hadoop by digger
 • 26,740 points • 10,858 views
0 votes
1 answer

How to create a Hive table from sequence file stored in HDFS?

Dec 17, 2018 in Big Data Hadoop by digger
 • 26,740 points • 5,197 views
0 votes
1 answer

How to create a Hive table with a sequence file?

Dec 17, 2018 in Big Data Hadoop by digger
 • 26,740 points • 3,745 views
0 votes
1 answer

Command to partition table in Hive

Dec 17, 2018 in Big Data Hadoop by digger
 • 26,740 points • 985 views
+1 vote
1 answer

What is the process to perform an incremental data load in Sqoop?

Dec 17, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 5,723 views
0 votes
1 answer

Sqoop import gives error: org.apache.hadoop.security.AccessControlException: Permission denied

Dec 17, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 2,290 views
0 votes
1 answer

What are the different types of tombstone markers in HBase for deletion?

Dec 17, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 2,761 views
+1 vote
1 answer

Hadoop Map Reduce: java.lang.reflect.InvocationTargetException

Dec 17, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 1,818 views
+1 vote
1 answer

How to switch off Cloudera Manager Service?

Dec 17, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 635 views
0 votes
1 answer

How to check Cloudera Manager Service status?

Dec 17, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 3,429 views
0 votes
1 answer

Junit test for Map Reduce Hadoop

Dec 17, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 2,668 views
0 votes
1 answer

Hadoop mapreduce java: NullPoint Exception

Dec 14, 2018 in Big Data Hadoop by digger
 • 26,740 points • 1,095 views
0 votes
1 answer

How to open MySql console in Ubuntu?

Dec 14, 2018 in Big Data Hadoop by digger
 • 26,740 points • 2,767 views
0 votes
1 answer

How to export file from sqoop to sql table?

Dec 14, 2018 in Big Data Hadoop by digger
 • 26,740 points • 1,230 views
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1 answer

How to use sqoop import?

Dec 14, 2018 in Big Data Hadoop by digger
 • 26,740 points • 1,017 views
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1 answer

Not able to insert in hive partition table

Dec 14, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 3,319 views
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1 answer

Not able to insert data into hive table

Dec 14, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 3,466 views
0 votes
1 answer

Using HBase jar files. Where to download and set classpath

Dec 14, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 3,309 views
0 votes
1 answer

Getting some warning/error while loading java file using Hbase commands

Dec 14, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 1,058 views
0 votes
1 answer

How to create external Hive table?

Dec 14, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 1,084 views
0 votes
1 answer

How to create a managed table in Hive?

Dec 14, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 5,595 views
0 votes
1 answer

What are the different relational operations in “Pig Latin” you worked with?

Dec 14, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 976 views
0 votes
1 answer

Can you build “Spark” with any particular Hadoop version?

Dec 14, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 1,512 views
0 votes
1 answer

Why does one remove or add nodes in a Hadoop cluster frequently?

Dec 14, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 2,460 views
0 votes
1 answer

What are active and passive “NameNodes” in Hadoop?

Dec 14, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 3,261 views
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