Recent questions tagged spark

0 votes
1 answer

What are the parameters in local[a,b,c] explains?

May 29, 2018 in Apache Spark by code799
 • 122 views
0 votes
1 answer

How to save and retrieve the Spark RDD from HDFS?

May 29, 2018 in Apache Spark by code799
 • 3,538 views
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1 answer

Is it possible to run Spark and Mesos along with Hadoop?

May 29, 2018 in Apache Spark by shams
 • 3,580 points • 102 views
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1 answer

What is Sliding Window?

May 28, 2018 in Apache Spark by shams
 • 3,580 points • 53 views
0 votes
1 answer

Spark 2.3? What is new in it?

May 28, 2018 in Apache Spark by Data_Nerd
 • 2,370 points • 97 views
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1 answer

What is the difference between Apache Spark SQLContext vs HiveContext?

May 25, 2018 in Apache Spark by Shubham
 • 13,370 points • 2,456 views
0 votes
1 answer

How to find max value in pair RDD?

May 25, 2018 in Apache Spark by kurt_cobain
 • 9,310 points • 3,019 views
+1 vote
1 answer

Can anyone explain what is RDD in Spark?

May 24, 2018 in Apache Spark by coder_jazz
 • 743 views
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1 answer

What's the difference between 'filter' and 'where' in Spark SQL?

May 23, 2018 in Apache Spark by kurt_cobain
 • 9,310 points • 10,423 views
0 votes
1 answer

Why does sortBy transformation trigger a Spark job?

May 8, 2018 in Apache Spark by shams
 • 3,580 points • 228 views
0 votes
1 answer

How to get the number of elements in partition?

May 8, 2018 in Apache Spark by Data_Nerd
 • 2,370 points • 361 views
0 votes
1 answer

How is Apache Spark different from the Hadoop approach?

May 7, 2018 in Apache Spark by Data_Nerd
 • 2,370 points • 135 views
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1 answer

start-master and start-all?

May 7, 2018 in Apache Spark by Data_Nerd
 • 2,370 points • 241 views
0 votes
1 answer

cache tables in apache spark sql

May 4, 2018 in Apache Spark by shams
 • 3,580 points • 1,162 views
0 votes
1 answer

Spark Monitoring with Ganglia

May 4, 2018 in Apache Spark by Data_Nerd
 • 2,370 points • 368 views
0 votes
1 answer

Spark cannot access local file anymore?

May 3, 2018 in Apache Spark by Data_Nerd
 • 2,370 points • 65 views
0 votes
1 answer

Can I read a CSV represented as a string into Apache Spark?

May 3, 2018 in Apache Spark by Data_Nerd
 • 2,370 points • 87 views
0 votes
1 answer

Why is collect in SparkR slow?

May 3, 2018 in Apache Spark by shams
 • 3,580 points • 155 views
0 votes
1 answer

When not to use foreachPartition and mapPartition?

Apr 30, 2018 in Apache Spark by shams
 • 3,580 points • 3,049 views
0 votes
1 answer

Why is Spark faster than Hadoop Map Reduce

Apr 30, 2018 in Apache Spark by Data_Nerd
 • 2,370 points • 224 views
+5 votes
11 answers

Concatenate columns in apache spark dataframe

Apr 26, 2018 in Apache Spark by Shubham
 • 13,370 points • 41,972 views
0 votes
1 answer

How to get Spark dataset metadata?

Apr 26, 2018 in Apache Spark by Ashish
 • 2,630 points • 663 views
0 votes
1 answer

Difference between createOrReplaceTempView and registerTempTable

Apr 25, 2018 in Apache Spark by Ashish
 • 2,630 points • 3,312 views
0 votes
1 answer

Spark Kill Running Application

Apr 25, 2018 in Apache Spark by Ashish
 • 2,630 points • 313 views
+1 vote
2 answers

Apache Spark vs Apache Spark 2

Apr 24, 2018 in Apache Spark by Ashish
 • 2,630 points • 4,885 views
0 votes
1 answer

How to stop messages from being displayed on spark console?

Apr 24, 2018 in Apache Spark by Ashish
 • 2,630 points • 1,834 views
0 votes
1 answer

Efficient way to read specific columns from parquet file in spark

Apr 20, 2018 in Apache Spark by Ashish
 • 2,630 points • 1,854 views
0 votes
1 answer

Is there any way to check the Spark version?

Apr 19, 2018 in Apache Spark by Shubham
 • 13,370 points • 2,041 views
0 votes
1 answer

Changing Column position in spark dataframe

Apr 19, 2018 in Apache Spark by kurt_cobain
 • 9,310 points • 5,988 views
0 votes
1 answer

How to groupBy/count then filter on count in Scala

Apr 19, 2018 in Big Data Hadoop by Shubham
 • 13,370 points • 11,779 views
0 votes
1 answer

How to tune Spark jobs & optimize the performance?

Apr 18, 2018 in Big Data Hadoop by Shubham
 • 13,370 points • 641 views
0 votes
1 answer

Writing File into HDFS using spark scala

Apr 5, 2018 in Big Data Hadoop by Shubham
 • 13,370 points • 7,632 views
0 votes
1 answer

What is the benefit of using CDH over other Distributors?

Mar 29, 2018 in Big Data Hadoop by nitinrawat895
 • 10,840 points • 75 views
0 votes
1 answer

Joining Multiple Spark Dataframes

Mar 26, 2018 in Big Data Hadoop by Ashish
 • 2,630 points • 957 views
0 votes
3 answers

Can we run Spark without using Hadoop?

Mar 22, 2018 in Big Data Hadoop by kurt_cobain
 • 9,310 points • 276 views
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