Interview Questions
Spark Out Of Memory Error
Spark Out Of Memory Error OOM error Spark driver level: 1. Spark driver is the main control of spark application .if its configured with l…
Interview Questions
Apache Spark Interview question Set 3
1. Diff e rence between Coalesce and repartition ? Repartition is used to increase or decrease the number of partition with equal sized data…
Interview Questions
Apache Spark interview questions Set 2
1. Difference between groupByKey() and reduceByKey() in spark? groupBykey() works on dataset with key value pair(K,V) and groups data based on the …
Programming
How to create Maven Spark project in Eclipse(Using Java)
Maven is a dependency manager tool which eases programmer in managing dependencies for multi module project. Let's discuss with an example ho…
Interview Questions
Must Know Big Data Interview questions and answers
I am providing you some of very important questions that you will be facing as Data Engineer ,Bigdata Developer, Hadoop Developer etc. …
Apache Hive
Hive Compression Codecs with example
Hive Compression is one of the optimization technique available in Apache Hive.It is preferable for high data intensive workload where network ban…
