Tarun KumarMy design philosophy and pablo’s bullsPer Jobs, “You have to deeply understand the essence of a product in order to be able to get rid of the parts that are not essential,”2 min read·Jul 14, 2022--1--1
Tarun KumarinAirtel DigitalDesigning nRT Read and write optimized CDC Framework for Hadoop Data Lake — Part 2System Architecture:4 min read·May 19, 2022----
Tarun KumarinAirtel DigitalDesigning nRT CDC Fw for Hadoop Data Lake — Part 1Background: We at Airtel, wanted to perform Analytical queries(OLAP) on data stored in transactional databases like Oracle, Mysql …4 min read·Apr 22, 2022----
Tarun KumarSome Personal ThoughtsPunjabis are known for talking loudly, laughing hysterically. Actually it is natural human tendency to speak loudly, burst into laughter…3 min read·Jan 30, 2022----
Tarun KumarinAirtel DigitalDesigning and scaling a PetaByte Scale System — Part 2Challenges Faced while using Object Storage with MapReduce:5 min read·Jul 17, 2020--1--1
Tarun KumarinAirtel DigitalDesigning and scaling a PetaByte Scale System — Part 1Our single application required storing 6–7 PetaByte of GZip Compressed Data Annually and we needed to store 6 years of Data.4 min read·Jul 16, 2020--1--1
Tarun KumarConfirmation BiasLately I was observing my behaviour, Whenever I bought any stock for investment, the moment its price falls below my buying price, I…2 min read·Jul 7, 2020----
Tarun KumarinAirtel DigitalAnalyzing micro-optimizations in JavaOften We come up with multiple ways of doing a task. We try to write the fastest code. But how to benchmark your code against different…2 min read·Jul 1, 2020----
Tarun KumarinAirtel DigitalHow to Optimize Read CSV in Apache sparkReading CSV is very common practice in big data. Normally we use spark api to read csv.3 min read·Jul 1, 2020--1--1