Recent questions tagged big-data

0 votes
1 answer

Not able to install yarn on Ubuntu

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

How to clear yarn cache?

Feb 5, 2019 in Big Data Hadoop by Krishi
 • 5,636 views
0 votes
1 answer

Error reading avro dataset in spark

Feb 4, 2019 in Apache Spark by Rohit
 • 2,270 views
0 votes
1 answer

Error while using Spark SQL filter API

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

Not able to delete file using pig

Feb 4, 2019 in Big Data Hadoop by Janan
 • 1,638 views
0 votes
1 answer

Hive partitioning: Dynamic and static

Feb 1, 2019 in Big Data Hadoop by Aishwarya
 • 5,999 views
0 votes
1 answer

Hadoop tools/eco-system version compatibility doubt

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

Invalid syntax in spark

Jan 31, 2019 in Apache Spark by Daniel
 • 2,143 views
0 votes
1 answer

Hue Health issue

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

How to run mapreduce program in terminal?

Jan 31, 2019 in Big Data Hadoop by Kavi
 • 13,972 views
0 votes
1 answer

Getting error while loading data into hive table

Jan 31, 2019 in Big Data Hadoop by Juvi
 • 3,380 views
0 votes
1 answer

Sqoop import where clause problem

Jan 31, 2019 in Big Data Hadoop by Ismal
 • 2,086 views
0 votes
1 answer

How will you submit job as particular user?

Jan 31, 2019 in Big Data Hadoop by Amulya
 • 1,231 views
0 votes
1 answer

How to decide number of mappers?

Jan 31, 2019 in Big Data Hadoop by Raksha
 • 4,571 views
0 votes
1 answer

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

Jan 29, 2019 in Big Data Hadoop by Likitha
 • 3,521 views
0 votes
1 answer

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

Jan 29, 2019 in Big Data Hadoop by Suraj
 • 2,319 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
 • 7,569 views
0 votes
1 answer

Not able to list tables in sqoop

Jan 29, 2019 in Big Data Hadoop by Rajat
 • 1,183 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
 • 18,699 views
0 votes
1 answer

Can't access hadoop job logs

Jan 28, 2019 in Big Data Hadoop by neeraj
 • 1,054 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
 • 11,715 views
0 votes
1 answer

Browse HDFS & Job Logs

Jan 25, 2019 in Big Data Hadoop by Cassy
 • 1,544 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
 • 1,326 views
0 votes
1 answer

Unable to instantiate org.apache.hadoop.hive

Jan 25, 2019 in Big Data Hadoop by Faisal
 • 1,765 views
0 votes
1 answer

Permission denied while uploading files to hdfs

Jan 25, 2019 in Big Data Hadoop by K Mishra
 • 1,842 views
0 votes
1 answer

How to send curl downloaded data in hdfs?

Jan 25, 2019 in Big Data Hadoop by Prateek
 • 1,795 views
0 votes
1 answer

How to copy file to multiple hdfs directory?

Jan 25, 2019 in Big Data Hadoop by Rusva
 • 3,997 views
0 votes
1 answer

How to create files in hdfs?

Jan 25, 2019 in Big Data Hadoop by Sanam
 • 1,447 views
0 votes
1 answer

How to find the port on which hdfs is running?

Jan 25, 2019 in Big Data Hadoop by Tamanna
 • 3,834 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 • 1,389 views
0 votes
1 answer

Hadoop installation issue on fedora 24

Jan 24, 2019 in Big Data Hadoop by Neha
 • 6,300 points • 907 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 • 1,386 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 • 1,520 views
0 votes
1 answer

Why is using Combiner function not preferred in shuffling?

Jan 23, 2019 in Big Data Hadoop by slayer
 • 29,370 points • 784 views
0 votes
1 answer

How to reduce shuffling cost in map reduce?

Jan 22, 2019 in Big Data Hadoop by slayer
 • 29,370 points • 2,049 views
0 votes
1 answer

How to perform a word count on a dataframe column?

Jan 22, 2019 in Big Data Hadoop by Karan
 • 2,313 views
0 votes
1 answer

Error while creating avrodatafile?

Jan 22, 2019 in Big Data Hadoop by Yazim
 • 812 views
0 votes
1 answer

How does the number of groups affect the cost of the shuffling phase?

Jan 22, 2019 in Big Data Hadoop by anonymous
 • 753 views
0 votes
1 answer

Spark.read.csv to create RDD into Dataframe

Jan 22, 2019 in Big Data Hadoop by slayer
 • 29,370 points • 5,873 views
0 votes
1 answer

How to handle exceptions in Spark and Scala?

Jan 22, 2019 in Big Data Hadoop by slayer
 • 29,370 points • 4,914 views
0 votes
1 answer

Creating a Parquet or Avro file

Jan 22, 2019 in Big Data Hadoop by slayer
 • 29,370 points • 1,104 views
0 votes
1 answer

ReduceByKey Avereage

Jan 22, 2019 in Big Data Hadoop by slayer
 • 29,370 points • 801 views
–1 vote
1 answer

Hdfs command to see available free space in hdfs

Jan 22, 2019 in Big Data Hadoop by digger
 • 26,740 points • 812 views
–1 vote
1 answer

"main" java.lang.ClassNotFoundException: WordCount

Jan 22, 2019 in Big Data Hadoop by digger
 • 26,740 points • 4,589 views
–1 vote
1 answer

WARN util.NativeCodeLoader: Unable to load native-hadoop library

Jan 22, 2019 in Big Data Hadoop by digger
 • 26,740 points • 2,013 views
–1 vote
1 answer

Who will setup multimode and single node modes?

Jan 21, 2019 in Big Data Hadoop by digger
 • 26,740 points • 467 views
–1 vote
1 answer

Unable to execute the jar file wordcount.

Jan 21, 2019 in Big Data Hadoop by digger
 • 26,740 points • 3,313 views
–1 vote
1 answer

Hadoop MapReduce word count program failed

Jan 21, 2019 in Big Data Hadoop by digger
 • 26,740 points • 1,391 views
–1 vote
1 answer

Jobtracker and tasktracker is nor running.

Jan 19, 2019 in Big Data Hadoop by digger
 • 26,740 points • 836 views
0 votes
1 answer

UnsupportedClassVersionError while running Mapreduce program.

Jan 18, 2019 in Big Data Hadoop by slayer
 • 29,370 points • 926 views
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