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 • 557 views
–1 vote
1 answer

Display contents of my Parquet file.

Dec 19, 2018 in Big Data Hadoop by digger
 • 26,740 points • 3,250 views
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Sqoop split-by problem

Dec 19, 2018 in Big Data Hadoop by digger
 • 26,740 points • 2,482 views
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Copying jar file into hadoop

Dec 19, 2018 in Big Data Hadoop by digger
 • 26,740 points • 1,460 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 • 1,683 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 • 7,042 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 • 909 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 • 1,422 views
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1 answer

Apache Spark vs MapReduce

Dec 19, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 1,180 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 • 5,782 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 • 790 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 • 908 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 • 5,926 views
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Can DataNode and NameNode be commodity hardware?

Dec 19, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 3,370 views
–1 vote
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Where does reduce take place in Hadoop MapReduce?

Dec 18, 2018 in Big Data Hadoop by digger
 • 26,740 points • 1,455 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 • 1,700 views
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Sqoop import not working

Dec 18, 2018 in Big Data Hadoop by digger
 • 26,740 points • 1,040 views
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How to implement sqoop jobs?

Dec 18, 2018 in Big Data Hadoop by digger
 • 26,740 points • 811 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 • 1,729 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 • 1,495 views
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1 answer

Executing mapper and reducer individually

Dec 18, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 763 views
0 votes
1 answer

Hadoop Data node acknowledgement

Dec 18, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 948 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 • 2,266 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 • 2,379 views
0 votes
1 answer

How to change file format using Sqoop?

Dec 18, 2018 in Big Data Hadoop by digger
 • 26,740 points • 2,249 views
0 votes
3 answers

How to change the delimiter in Sqoop?

Dec 18, 2018 in Big Data Hadoop by digger
 • 26,740 points • 10,854 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 • 5,186 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 • 3,741 views
0 votes
1 answer

Command to partition table in Hive

Dec 17, 2018 in Big Data Hadoop by digger
 • 26,740 points • 980 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 • 5,716 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 • 2,280 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 • 2,755 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 • 632 views
0 votes
1 answer

How to check Cloudera Manager Service status?

Dec 17, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 3,420 views
0 votes
1 answer

Junit test for Map Reduce Hadoop

Dec 17, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 2,667 views
0 votes
1 answer

Hadoop mapreduce java: NullPoint Exception

Dec 14, 2018 in Big Data Hadoop by digger
 • 26,740 points • 1,092 views
0 votes
1 answer

How to open MySql console in Ubuntu?

Dec 14, 2018 in Big Data Hadoop by digger
 • 26,740 points • 2,760 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 • 1,225 views
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1 answer

How to use sqoop import?

Dec 14, 2018 in Big Data Hadoop by digger
 • 26,740 points • 1,015 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 • 3,312 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 • 3,463 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 • 3,298 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 • 1,080 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 • 5,585 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 • 973 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 • 2,455 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 • 3,258 views
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