Recent questions tagged big-data

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1 answer

How Foreach Operation works in Apache Spark?

Aug 2, 2019 in Apache Spark by Nidhi
 • 7,785 views
0 votes
1 answer

How SortBykey() operation works in Spark?

Aug 2, 2019 in Apache Spark by Rashi
 • 7,743 views
0 votes
1 answer

What filter transformation in apache spark?

Aug 2, 2019 in Apache Kafka by Badri
 • 2,368 views
0 votes
1 answer

In how many modes Apache spark can run?

Aug 2, 2019 in Apache Spark by Sunny
 • 2,370 views
0 votes
1 answer

Sqoop: ERROR tool.BaseSqoopTool: Error parsing arguments

Aug 2, 2019 in Big Data Hadoop by Will
 • 8,854 views
0 votes
1 answer

How to launch spark application in cluster mode in Spark?

Aug 2, 2019 in Apache Spark by Raima
 • 6,036 views
0 votes
1 answer

How to create paired RDD using subString method in Spark?

Aug 2, 2019 in Apache Spark by Riddhi
 • 4,068 views
0 votes
1 answer

what is Paired RDD and how to create paired RDD in Spark?

Aug 2, 2019 in Apache Spark by disha
 • 11,181 views
0 votes
1 answer

Can't seem to read files: "Invalid container ID"

Aug 2, 2019 in Big Data Hadoop by Esha
 • 2,616 views
0 votes
1 answer

Join in RDD using keys

Aug 2, 2019 in Apache Spark by Jishan
 • 9,456 views
0 votes
1 answer

Scala: save filtered data row by row using saveAsTextFile

Aug 2, 2019 in Apache Spark by Hari
 • 2,670 views
0 votes
1 answer

What is Hive on Spark?

Aug 2, 2019 in Apache Spark by Jaidev
 • 1,660 views
0 votes
1 answer

Can anyone explain the sparse vector in Spark?

Aug 2, 2019 in Apache Spark by NIrja
 • 7,126 views
0 votes
0 answers

How to define SparkConf?

Aug 1, 2019 in Apache Spark by Danish
 • 1,259 views
+1 vote
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Job failed as tasks failed. failedMaps

Aug 1, 2019 in Big Data Hadoop by Hemanth
 • 250 points • 11,635 views
0 votes
1 answer

Scala - Error in Inheritance: <console>:: error: not found: value

Aug 1, 2019 in Apache Spark by Ramya
 • 6,038 views
0 votes
1 answer

Sqoop: ERROR tool.BaseSqoopTool: Unrecognized argument

Aug 1, 2019 in Big Data Hadoop by Mike
 • 6,389 views
0 votes
1 answer

Hive: org.apache.hadoop.security.AccessControlException Permission denied: user

Aug 1, 2019 in Big Data Hadoop by Ritu
 • 4,297 views
0 votes
1 answer

Pyspark dataframe with random values

Aug 1, 2019 in Apache Spark by Esha
 • 10,297 views
0 votes
1 answer

Spark + Hive connectivity

Aug 1, 2019 in Apache Spark by Jill
 • 3,251 views
+1 vote
1 answer

Scala: Convert text file data into ORC format using data frame

Aug 1, 2019 in Apache Spark by Rishi
 • 4,884 views
0 votes
1 answer

Cassandra: time out when using select * or copy command

Aug 1, 2019 in Big Data Hadoop by Tina
 • 2,585 views
0 votes
1 answer

How to reverse a Scala list?

Aug 1, 2019 in Apache Spark by Niraj
 • 2,502 views
0 votes
1 answer

How to use uniform list in Scala?

Aug 1, 2019 in Apache Spark by Reshma
 • 2,704 views
0 votes
1 answer

How shallow copy carry out using Scala?

Aug 1, 2019 in Apache Spark by Sikha
 • 1,706 views
0 votes
1 answer

How to access variables in s string interpolation in Scala?

Jul 31, 2019 in Apache Spark by Pavitra
 • 2,267 views
–2 votes
1 answer

What is the difference in Java’s “If..Else” and Scala’s “If..Else”?

Jul 31, 2019 in Apache Spark by Dhiman
 • 3,603 views
0 votes
1 answer

How to work with Matrix Multiplication in Apache Spark?

Jul 31, 2019 in Apache Spark by Amrita
 • 9,402 views
0 votes
1 answer

Spark Error: StackOverflowError : Exception in thread "main" java.lang.StackOverflowError at org.apache.spark.rdd.UnionRDD$$anonfun$1.apply

Jul 31, 2019 in Apache Spark by Disha
 • 5,693 views
0 votes
1 answer

Spark:error:throws stack overflow when union a lot.

Jul 31, 2019 in Apache Spark by Sunny
 • 6,741 views
0 votes
1 answer

What is 'TRAITS' in Scala

Jul 31, 2019 in Apache Spark by pavitra
 • 1,946 views
0 votes
1 answer

Unzip files in hdfs

Jul 31, 2019 in Big Data Hadoop by Judy
 • 7,786 views
0 votes
1 answer

Scala: Loading a csv file

Jul 31, 2019 in Apache Spark by Trisha
 • 2,128 views
0 votes
1 answer

What is the use of App class in Scala?

Jul 31, 2019 in Apache Spark by Rashmi
 • 13,070 views
0 votes
1 answer

What are these in scala : _* & @_*

Jul 31, 2019 in Apache Spark by Kunal
 • 3,745 views
0 votes
1 answer

How to create singleton classes in Scala?

Jul 31, 2019 in Apache Spark by Nimisha
 • 2,864 views
0 votes
1 answer

PIG Error while loading file: -bash: syntax error near unexpected token `('

Jul 31, 2019 in Big Data Hadoop by Sharan
 • 3,657 views
0 votes
1 answer

How to select particular column In a table in hive?

Jul 31, 2019 in Big Data Hadoop by Sejal
 • 12,207 views
0 votes
1 answer

Cannot load file to spark: "org.apache.spark.sql.AnalysisException: Path does not exist"

Jul 31, 2019 in Apache Spark by Ritu
 • 13,713 views
0 votes
1 answer

Pig: Remove header line in csv file

Jul 31, 2019 in Big Data Hadoop by Shyam
 • 3,322 views
0 votes
1 answer

Removing the header of a text file in SparkRDD

Jul 31, 2019 in Apache Spark by Jishan
 • 7,426 views
0 votes
1 answer

Does Caching stand as the only advantage in Spark compared to Hadoop?

Jul 31, 2019 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 1,683 views
0 votes
1 answer

The total number of Data Nodes running in this operation are 0 and note that there are no nodes excluded in this process.

Jul 31, 2019 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 2,907 views
0 votes
0 answers

The total number of Data Nodes running in this operation are 0 and note that there are no nodes excluded in this process.

Jul 31, 2019 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 3,833 views
0 votes
1 answer

How to format a string in Scala?

Jul 31, 2019 in Apache Spark by Drona
 • 1,832 views
0 votes
1 answer

How 'Scala Higher Order function' works in Scala?

Jul 31, 2019 in Apache Spark by Amrita
 • 1,736 views
0 votes
1 answer

How to work with multidimensional arrays in Scala?

Jul 31, 2019 in Apache Spark by Dipan
 • 1,889 views
0 votes
1 answer

How to concatenate sets in Scala?

Jul 31, 2019 in Apache Spark by Jitu
 • 3,524 views
0 votes
1 answer

How to find values common to two sets in Scala

Jul 31, 2019 in Apache Spark by Rashmi
 • 2,928 views
0 votes
1 answer

How do find Max and Min values in a set in Scala?

Jul 30, 2019 in Apache Spark by Dhiman
 • 5,264 views
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