Jerome Rajan

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Jerome Rajan
Staff Solutions Consultant at Google
Data & Analytics
  • Residence:
    India
  • City:
    Mumbai
SQL
Dataproc, EMR
Hadoop
BigQuery
AWS Glue
PySpark, Python
Data Pipeline Design
Tableau, Redshift, Snowflake
IBM DataStage
  • AWS Lambda, S3, EMR, SQS, DynamoDB, Step Functions, Cloud Functions
  • Unix Shell Scripting, Python
  • Oracle, DB2, Redis
  • Alteryx, VBA, Blueprism, UiPath
English
Tamil
Hindi
Malayalam
Marathi

My Blog

December 15, 2023 / Technology
Spark Config Calculator

The Spark Configuration Tool is a Streamlit-based application designed to assist users in optimizing Apache Spark configurations. It allows users…

Understanding Driver Pools in Dataproc
August 22, 2023 / Technology
Understanding Driver Pools in Dataproc

Let’s learn about driver pools in Dataproc – an important concept to understand while using multi-tenant Dataproc clusters

Build your own Ask-Me-Anything using VertexAI + LangChain + Streamlit 🎯🎯🎯
July 29, 2023 / Technology
Build your own Ask-Me-Anything using VertexAI + LangChain + Streamlit 🎯🎯🎯

In this article, I walk through the process of creating a custom search engine using VertexAI, Streamlit and Langchain.

Hadoop — Understanding Splits, Blocks & Everything In Between
April 21, 2023 / Technology
Hadoop — Understanding Splits, Blocks & Everything In Between

Originally published at my Medium Blog Understanding Hadoop is like trying to unravel a tangled ball of yarn while wearing…

Understanding CPU Oversubscription in Dataproc/Hadoop
April 7, 2023 / Technology
Understanding CPU Oversubscription in Dataproc/Hadoop

This post explains the what, how and the why about CPU oversubscription in Hadoop clusters. It attempts to clear general misconceptions.

Dataproc — Why is my cluster not scaling?
October 6, 2022 / Technology
Dataproc — Why is my cluster not scaling?

(Article published at https://medium.com/google-cloud/autoscaling-in-dataproc-e02bf446a509) “Autoscaling” is a Dataproc API that automates the process of monitoring YARN memory utilisation and adding/removing…

GCP Cloud Logging : How to Enable Data Access Audit For Selected Buckets
October 4, 2022 / Technology
GCP Cloud Logging : How to Enable Data Access Audit For Selected Buckets

Also published at https://medium.com/google-cloud/gcp-cloud-logging-how-to-enable-data-access-audit-for-selected-buckets-aaec12556486 Introduction Data Access Audit Logs are used to trace and monitor API calls that create, modify or…

Hilton Shillim – Expensive, Expansive, Exclusive!
September 16, 2022 / Experiences
Hilton Shillim – Expensive, Expansive, Exclusive!

The Hilton Shillim Estate Retreat & Spa is a property nestled quietly into the western ghats. Taking that turn from…

The Ultimate Shoe-down!
September 5, 2022 / Experiences, Knowledge
The Ultimate Shoe-down!

Do these brand logos look vaguely familiar? If you are from India, it is very likely that you relate better…

The Dessert & The City
September 2, 2022 / Experiences
The Dessert & The City

Skies. Blue! Vada Pav. Mumbai! Halwa. Tirunelveli! Tirunelveli (or Nellai), a hot and vibrant city near the southernmost tip of…

Autoscaling In Dataproc
August 16, 2022 / Technology
Autoscaling In Dataproc

Scalability is one of “THE” most important reasons why customers choose to migrate to the cloud. And as with all…

Would The Boy You Were Be Proud Of The Man You Are?
April 14, 2022 / Experiences
Would The Boy You Were Be Proud Of The Man You Are?

A question I devote time to, once every month.A question that has helped me make new habits and break the…

Learnings from AWS – Bias For Action
January 18, 2022 / Experiences
Learnings from AWS – Bias For Action

Bias For Action If you’re not Amazonian enough to grasp what this means – It simply tells you to be…

Sicilian Defence Crushed!!
January 11, 2022 / Experiences
Sicilian Defence Crushed!!

The pandemic helped me reprise my love and passion for a game I used to spend hours playing as child…

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Be Original
Would the boy you were be proud of the man you are?