Within the MapReduce framework in Platform Symphony, you can specify the proportion of the total number of map tasks in a…
HDFS commands Interview questions 1). Difference between the commands hadoop dfs and hadoop fs? hadoop dfs – This is…
Sometimes while processing data we will come across some situations where we need to find the difference of price a…
Functional programming is like writing a series of algebraic equations, and because you don’t use null values in algebra, you…
What is Singleton object? Scala doesn’t have a concept called static. Instead of static, scala has something called Singleton object.…
It is very rare that the usage of HIVE with JSON. But sometimes business requirements might force the developers to…
There are multiple ways to do this Spark. Here we have discussed two of the approaches to accomplish this task.…
Design choices: Language choice This impossible to answer and highly depends on your requirement. If you want to perform some…
These functions are little rarely used in Spark as they confined to be used with RDDs only and RDDs are…
Spark supports multiple programming languages. Out of them most used languages are Scala, Python and Java. But which is best…