Recent questions tagged hadoop

0 votes
1 answer

Managed Table vs External Table

Dec 14, 2018 in Big Data Hadoop by digger
 • 26,740 points • 13,987 views
0 votes
1 answer

Hadoop Hive Bucketing

Dec 14, 2018 in Big Data Hadoop by digger
 • 26,740 points • 1,221 views
0 votes
1 answer

Hadoop Hive partitioning

Dec 14, 2018 in Big Data Hadoop by digger
 • 26,740 points • 1,711 views
0 votes
1 answer

How do I join 2 tables in PIG using 2 fields?

Dec 13, 2018 in Big Data Hadoop by digger
 • 26,740 points • 2,809 views
0 votes
1 answer

Not able to list sqoop jobs

Dec 13, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 1,753 views
0 votes
1 answer

Hadoop Hive query to filter employees

Dec 13, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 4,315 views
0 votes
1 answer

How to connect impala to cloud lab?

Dec 13, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 1,662 views
0 votes
1 answer

Hadoop PIG extraction shows no output

Dec 13, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 1,181 views
0 votes
1 answer

What is the difference between Map-side join and Reduce-side join?

Dec 13, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 6,248 views
0 votes
1 answer

Which side join is taken by default by hive? Map-side or Reduce-side?

Dec 13, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 1,780 views
0 votes
1 answer

Can not list/access files of local system from hadoop

Dec 13, 2018 in Big Data Hadoop by digger
 • 26,740 points • 1,566 views
0 votes
1 answer

How to unzip a zipped file stored in Hadoop hdfs?

Dec 12, 2018 in Big Data Hadoop by digger
 • 26,740 points • 14,219 views
0 votes
1 answer

How to run Java file in Hadoop?

Dec 12, 2018 in Big Data Hadoop by digger
 • 26,740 points • 4,785 views
0 votes
1 answer

How to read Spark elements having multiple lines each?

Dec 12, 2018 in Big Data Hadoop by digger
 • 26,740 points • 2,010 views
0 votes
1 answer

Hadoop: java.lang.IllegalArgumentException: Wrong FS: expected: file:///

Dec 12, 2018 in Big Data Hadoop by digger
 • 26,740 points • 9,247 views
+1 vote
1 answer

Not able to start datanode in Hadoop

Dec 12, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 2,306 views
0 votes
1 answer

How do I install cloudera Hadoop without internet connection?

Dec 12, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 2,206 views
0 votes
1 answer

What is the difference between Hadoop API and Streaming?

Dec 12, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 1,868 views
0 votes
0 answers

Number of tasks submitted and executed within the day in hadoop

Dec 12, 2018 in Big Data Hadoop by Irfan
 • 120 points • 1,446 views
0 votes
1 answer

Hadoop Hive: ClassNotFoundException: org.apache.hive.jdbc.HiveDriver

Dec 11, 2018 in Big Data Hadoop by digger
 • 26,740 points • 6,909 views
0 votes
1 answer

How to copy files in hdfs with wildcards?

Dec 11, 2018 in Big Data Hadoop by digger
 • 26,740 points • 3,387 views
0 votes
1 answer

How to read more than one files in Apache Spark?

Dec 11, 2018 in Big Data Hadoop by digger
 • 26,740 points • 3,220 views
0 votes
1 answer

Not able to start jobtracker in hadoop

Dec 11, 2018 in Big Data Hadoop by digger
 • 26,740 points • 2,072 views
0 votes
1 answer

What is local file System?

Dec 11, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 1,946 views
0 votes
1 answer

I want to install snappy on Hadoop 1.2.1. How do I do that?

Dec 11, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 1,863 views
0 votes
1 answer

Do worker hosts need access to the Cloudera public repositories for an install with Cloudera Manager?

Dec 7, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 1,369 views
0 votes
1 answer

Does Cloudera Manager Support an API?

Dec 7, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 1,012 views
0 votes
1 answer

What is distributed Cache in MapReduce Framework ?

Dec 7, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 2,489 views
0 votes
1 answer

Which is helpful SVN or Git for Hadoop Development?

Dec 7, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 1,868 views
+1 vote
1 answer

How to read hdfs file using python?

Dec 7, 2018 in Python by digger
 • 26,740 points • 6,280 views
+1 vote
1 answer

Python function to run hdfs commands

Dec 7, 2018 in Python by digger
 • 26,740 points • 5,667 views
+1 vote
1 answer

How to write file in hdfs using python?

Dec 6, 2018 in Big Data Hadoop by digger
 • 26,740 points • 9,108 views
0 votes
1 answer

How to create new directory in hdfs using java code?

Dec 6, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 4,700 views
0 votes
1 answer

Not able to install hadoop using maven

Dec 6, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 2,277 views
0 votes
1 answer

How to use jar file without putting it in hdfs?

Dec 6, 2018 in Big Data Hadoop by digger
 • 26,740 points • 1,580 views
0 votes
1 answer

How to concatenate hdfs files and store in output file?

Dec 6, 2018 in Big Data Hadoop by digger
 • 26,740 points • 4,764 views
0 votes
1 answer

Start-dfs.sh daemons not starting. localhost: mkdir: cannot create directory `/user': Permission denied

Dec 5, 2018 in Big Data Hadoop by digger
 • 26,740 points • 4,096 views
0 votes
1 answer

Hadoop sqoop import not working. Error: ERROR manager.SqlManager: Error reading from database

Dec 5, 2018 in Big Data Hadoop by digger
 • 26,740 points • 2,723 views
0 votes
1 answer

Not able to create Hive table from HDFS file

Dec 5, 2018 in Big Data Hadoop by digger
 • 26,740 points • 3,175 views
0 votes
1 answer

Hadoop: Can not start namenode: Unable to load native-hadoop library for your platform

Dec 5, 2018 in Big Data Hadoop by digger
 • 26,740 points • 3,530 views
0 votes
1 answer

How to move Word and PDF documents to Hadoop HDFS?

Dec 5, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 1,817 views
0 votes
1 answer

Differentiate: hadoop fs -text vs hadoop fs -cat vs hadoop fs -get

Dec 5, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 4,978 views
0 votes
1 answer

Hadoop mapreduce error: apache.hadoop.mapred.FileAlreadyExistsException: Output directory

Dec 5, 2018 in Big Data Hadoop by digger
 • 26,740 points • 3,704 views
0 votes
1 answer

Hadoop Hive: Correlating expression cannot contain unqualified column references

Dec 5, 2018 in Big Data Hadoop by digger
 • 26,740 points • 5,111 views
0 votes
1 answer

Cant find slave on ResourceManager Web UI

Dec 5, 2018 in Big Data Hadoop by digger
 • 26,740 points • 2,513 views
0 votes
1 answer

Why Hadoop is not implemented using MPI?

Dec 4, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 1,471 views
0 votes
1 answer

How to get absolute path of files in a directory in Hadoop?

Dec 4, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 5,614 views
0 votes
1 answer

Unable to set JAVA_HOME path.

Dec 1, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 2,087 views
+1 vote
1 answer

How to limit the number of rows per each item in a Hive QL?

Dec 1, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 28,775 views
0 votes
1 answer

Hive:Unable to insert values to an array column using "insert".

Dec 1, 2018 in Big Data Hadoop by slayer
 • 29,370 points • 10,152 views
Page:

Most popular tags

"PMP®","PMI®", "PMI-ACP®" and "PMBOK®" are registered marks of the Project Management Institute, Inc. MongoDB®, Mongo and the leaf logo are the registered trademarks of MongoDB, Inc.