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Spark onto a Next Level with UDFs
While woking on a technology up-gradation from a legacy application that is built on shell scripts and green plum functions to a...
Vishakh Rameshan
Jan 17, 2021
3 min read
5V's that make data a BIG DATA
Internet has been with us for a long time and the number of websites, applications, products have tremendously grown with new inventions...
Vishakh Rameshan
Jan 16, 2021
2 min read
Spark File Format Conversion Utility
I am a Data Engineer performing business operations on Big Data files of various formats like Avro, Parquet, CSV, Text etc on HDFS and...
Vishakh Rameshan
Jan 3, 2021
1 min read
Apache Spark Junit Performance Improvement
Recently I was working on a batch application that had series of Spark Jobs running complex business logic. I had written Junit test...
Vishakh Rameshan
Dec 30, 2020
2 min read
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