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 • 982 views
–1 vote
1 answer

Display contents of my Parquet file.

Dec 19, 2018 in Big Data Hadoop by digger
 • 26,740 points • 3,885 views
–1 vote
1 answer

Sqoop split-by problem

Dec 19, 2018 in Big Data Hadoop by digger
 • 26,740 points • 2,892 views
–1 vote
1 answer

Copying jar file into hadoop

Dec 19, 2018 in Big Data Hadoop by digger
 • 26,740 points • 1,860 views
–1 vote
1 answer

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 • 2,141 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 • 7,568 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 • 1,326 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 • 1,878 views
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1 answer

Apache Spark vs MapReduce

Dec 19, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 1,828 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 • 6,547 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 • 1,304 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 • 1,336 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 • 6,565 views
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1 answer

Can DataNode and NameNode be commodity hardware?

Dec 19, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 3,975 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 • 1,908 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 • 2,089 views
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1 answer

Sqoop import not working

Dec 18, 2018 in Big Data Hadoop by digger
 • 26,740 points • 1,399 views
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1 answer

How to implement sqoop jobs?

Dec 18, 2018 in Big Data Hadoop by digger
 • 26,740 points • 1,248 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 • 2,145 views
0 votes
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 • 1,971 views
0 votes
1 answer

Executing mapper and reducer individually

Dec 18, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 1,187 views
0 votes
1 answer

Hadoop Data node acknowledgement

Dec 18, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 1,391 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 • 2,714 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 • 2,796 views
0 votes
1 answer

How to change file format using Sqoop?

Dec 18, 2018 in Big Data Hadoop by digger
 • 26,740 points • 2,650 views
0 votes
3 answers

How to change the delimiter in Sqoop?

Dec 18, 2018 in Big Data Hadoop by digger
 • 26,740 points • 11,582 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 • 5,850 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 • 4,310 views
0 votes
1 answer

Command to partition table in Hive

Dec 17, 2018 in Big Data Hadoop by digger
 • 26,740 points • 1,334 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 • 6,220 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 • 2,711 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 • 3,205 views
+1 vote
1 answer

Hadoop Map Reduce: java.lang.reflect.InvocationTargetException

Dec 17, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 2,192 views
+1 vote
1 answer

How to switch off Cloudera Manager Service?

Dec 17, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 1,037 views
0 votes
1 answer

How to check Cloudera Manager Service status?

Dec 17, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 3,940 views
0 votes
1 answer

Junit test for Map Reduce Hadoop

Dec 17, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 3,072 views
0 votes
1 answer

Hadoop mapreduce java: NullPoint Exception

Dec 14, 2018 in Big Data Hadoop by digger
 • 26,740 points • 1,518 views
0 votes
1 answer

How to open MySql console in Ubuntu?

Dec 14, 2018 in Big Data Hadoop by digger
 • 26,740 points • 3,182 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 • 1,638 views
0 votes
1 answer

How to use sqoop import?

Dec 14, 2018 in Big Data Hadoop by digger
 • 26,740 points • 1,403 views
0 votes
1 answer

Not able to insert in hive partition table

Dec 14, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 3,814 views
0 votes
1 answer

Not able to insert data into hive table

Dec 14, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 4,127 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 • 3,803 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 • 1,480 views
0 votes
1 answer

How to create external Hive table?

Dec 14, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 1,459 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 • 6,098 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 • 1,366 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 • 1,893 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 • 2,938 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 • 3,758 views
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