Recent questions tagged big-data

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1 answer

Bucketing in Hive

Feb 11, 2019 in Big Data Hadoop by Dinesh
 • 1,694 views
0 votes
1 answer

Query regarding a spark split logic

Feb 9, 2019 in Apache Spark by Joshi
 • 403 views
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1 answer

Error creating External Tables in Hive

Feb 9, 2019 in Big Data Hadoop by Neil
 • 3,100 views
0 votes
1 answer

Why should we use "extends Mapper" for Mapreduce code?

Feb 8, 2019 in Big Data Hadoop by Gouri
 • 872 views
0 votes
1 answer

Load data from HDFS to hive

Feb 7, 2019 in Big Data Hadoop by Rishi
 • 8,467 views
0 votes
1 answer

How to count meta data?

Feb 7, 2019 in Big Data Hadoop by Yamuna
 • 1,458 views
0 votes
1 answer

Sqoop getting error while connecting to MySQL

Feb 7, 2019 in Big Data Hadoop by Gujan
 • 1,209 views
0 votes
1 answer

Why scala generates 2 files, Person.class and Person$.class?

Feb 7, 2019 in Big Data Hadoop by Kriti
 • 460 views
0 votes
1 answer

Mapreduce problem with output part file

Feb 7, 2019 in Big Data Hadoop by Neervi
 • 794 views
0 votes
1 answer

How to read multiple files in hdfs?

Feb 7, 2019 in Big Data Hadoop by Raheed
 • 3,975 views
0 votes
1 answer

Unable to execute HDFS commands on the terminal

Feb 7, 2019 in Big Data Hadoop by Dinesh
 • 1,779 views
0 votes
1 answer

Sqoop import failed while importing mysql table to Hbase

Feb 7, 2019 in Big Data Hadoop by Sharan
 • 1,473 views
0 votes
2 answers

Not able to use npm after installing yarn

Feb 5, 2019 in Big Data Hadoop by Kiran
 • 1,079 views
0 votes
1 answer

How to uninstall Yarn?

Feb 5, 2019 in Big Data Hadoop by Lohith
 • 39,244 views
0 votes
1 answer

Not able to install yarn on Ubuntu

Feb 5, 2019 in Big Data Hadoop by Prateek
 • 651 views
0 votes
1 answer

How to clear yarn cache?

Feb 5, 2019 in Big Data Hadoop by Krishi
 • 5,372 views
0 votes
1 answer

Error reading avro dataset in spark

Feb 4, 2019 in Apache Spark by Rohit
 • 1,986 views
0 votes
1 answer

Error while using Spark SQL filter API

Feb 4, 2019 in Apache Spark by Kriti
 • 589 views
0 votes
1 answer

Not able to delete file using pig

Feb 4, 2019 in Big Data Hadoop by Janan
 • 1,318 views
0 votes
1 answer

Hive partitioning: Dynamic and static

Feb 1, 2019 in Big Data Hadoop by Aishwarya
 • 5,707 views
0 votes
1 answer

Hadoop tools/eco-system version compatibility doubt

Jan 31, 2019 in Big Data Hadoop by Lakhan
 • 543 views
0 votes
1 answer

Invalid syntax in spark

Jan 31, 2019 in Apache Spark by Daniel
 • 1,890 views
0 votes
1 answer

Hue Health issue

Jan 31, 2019 in Big Data Hadoop by Himanshu
 • 320 views
0 votes
1 answer

How to run mapreduce program in terminal?

Jan 31, 2019 in Big Data Hadoop by Kavi
 • 13,295 views
0 votes
1 answer

Getting error while loading data into hive table

Jan 31, 2019 in Big Data Hadoop by Juvi
 • 2,962 views
0 votes
1 answer

Sqoop import where clause problem

Jan 31, 2019 in Big Data Hadoop by Ismal
 • 1,808 views
0 votes
1 answer

How will you submit job as particular user?

Jan 31, 2019 in Big Data Hadoop by Amulya
 • 1,068 views
0 votes
1 answer

How to decide number of mappers?

Jan 31, 2019 in Big Data Hadoop by Raksha
 • 4,262 views
0 votes
1 answer

java.lang.NoSuchMethodError: org.apache.hadoop.fs.FSOutputSummer

Jan 29, 2019 in Big Data Hadoop by Likitha
 • 3,193 views
0 votes
1 answer

com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

Jan 29, 2019 in Big Data Hadoop by Suraj
 • 2,100 views
0 votes
3 answers

Sqoop: java.lang.RuntimeException: Could not load db driver class: com.mysql.jdbc.Driver

Jan 29, 2019 in Big Data Hadoop by Veronica
 • 6,915 views
0 votes
1 answer

Not able to list tables in sqoop

Jan 29, 2019 in Big Data Hadoop by Rajat
 • 922 views
0 votes
1 answer

How to create a parquet table in hive and store data in it from a hive table?

Jan 28, 2019 in Big Data Hadoop by Param
 • 18,180 views
0 votes
1 answer

Can't access hadoop job logs

Jan 28, 2019 in Big Data Hadoop by neeraj
 • 727 views
0 votes
1 answer

How to list files in hdfs that contains a specific string?

Jan 27, 2019 in Big Data Hadoop by Krishna
 • 11,093 views
0 votes
1 answer

Browse HDFS & Job Logs

Jan 25, 2019 in Big Data Hadoop by Cassy
 • 1,361 views
0 votes
1 answer

expected org.apache.hadoop.io.IntWritable, received org.apache.hadoop.io.LongWritable

Jan 25, 2019 in Big Data Hadoop by George
 • 997 views
0 votes
1 answer

Unable to instantiate org.apache.hadoop.hive

Jan 25, 2019 in Big Data Hadoop by Faisal
 • 1,525 views
0 votes
1 answer

Permission denied while uploading files to hdfs

Jan 25, 2019 in Big Data Hadoop by K Mishra
 • 1,526 views
0 votes
1 answer

How to send curl downloaded data in hdfs?

Jan 25, 2019 in Big Data Hadoop by Prateek
 • 1,541 views
0 votes
1 answer

How to copy file to multiple hdfs directory?

Jan 25, 2019 in Big Data Hadoop by Rusva
 • 3,378 views
0 votes
1 answer

How to create files in hdfs?

Jan 25, 2019 in Big Data Hadoop by Sanam
 • 1,271 views
0 votes
1 answer

How to find the port on which hdfs is running?

Jan 25, 2019 in Big Data Hadoop by Tamanna
 • 3,260 views
0 votes
0 answers

I have a file uploaded through ftp. Next I want to upload it to local file system in hadoop

Jan 24, 2019 in Big Data Hadoop by Mohan
 • 140 points • 1,022 views
0 votes
1 answer

Hadoop installation issue on fedora 24

Jan 24, 2019 in Big Data Hadoop by Neha
 • 6,300 points • 655 views
0 votes
1 answer

[edureka_159609@ip-20-0-41-190 bin]$ hdfs dfs -mkdir ://localhost:9000/Pig_Data -mkdir: java.net.URISyntaxException: Expected scheme name at index 0: ://localhost:9000/Pig_Data

Jan 23, 2019 in Big Data Hadoop by Mohan
 • 140 points • 1,056 views
–1 vote
1 answer

Does Hadoop merge the output files after reduce phase?

Jan 23, 2019 in Big Data Hadoop by digger
 • 26,740 points • 1,264 views
0 votes
1 answer

Why is using Combiner function not preferred in shuffling?

Jan 23, 2019 in Big Data Hadoop by slayer
 • 29,350 points • 617 views
0 votes
1 answer

How to reduce shuffling cost in map reduce?

Jan 22, 2019 in Big Data Hadoop by slayer
 • 29,350 points • 1,769 views
0 votes
1 answer

How to perform a word count on a dataframe column?

Jan 22, 2019 in Big Data Hadoop by Karan
 • 2,114 views
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