Omid Vahdaty – Medium

Omid Vahdaty

Omid Vahdaty

The Hulk Buster (LEGO) Experience — Some Insights

Buying your first insanse LEGO product, non trivial tips and tricks

Apr 1, 2023

The Hulk Buster (LEGO) Experience — Some Insights

Apr 1, 2023

Omid Vahdaty

Airflow file sensor example | Airflow Demystified

I recently encountered an ETL job, where the DAG worked perfectly and ended in success, however the underlying resources did not behave as…

Apr 15, 2020

Apr 15, 2020

Omid Vahdaty

Airflow XCom examples | Airflow demystified

Getting started on Airflow Xcom | 5 Examples

Apr 15, 2020

Apr 15, 2020

Omid Vahdaty

80% Cost Reduction in Google Cloud BigQuery | Tips and Tricks | Big Query Demystified

1. Install BQ mate — plugin for chrome in order to see cost per query in dollars before running.

Nov 6, 2019

Nov 6, 2019

Omid Vahdaty

Big Query Demystified |what really happens when you unnest customDimentions in ga_sessions_* (hint…

I wanted to share with a problem i found while working in BigQuery and google analytics 360 data: ga_sessions_*

Jan 19, 2019

Big Query Demystified |what really happens when you unnest customDimentions in ga_sessions_* (hint…

Jan 19, 2019

Omid Vahdaty

Big Data Demystified | Using AI to optimize BigQuery

“Using AI to optimize BigQuery”

Jan 10, 2019

Jan 10, 2019

Omid Vahdaty

Big Data Demystified | Data Engineering Demystified

Want to learn about Data Engineering? what is it? what are the challenges? Start with this teaser, and stay tuned for the next serias of…

Jan 10, 2019

Jan 10, 2019

Omid Vahdaty

Big Data Demystified

A while ago I entered the challenging world of Big Data. As an engineer, at first, I was not so impressed with this field. As time went by…

Dec 21, 2018

Big Data Demystified

Dec 21, 2018

Omid Vahdaty

EMR and watchdog: service-nanny?

Want to have a watchdog to start the service if it crashing for any reason?

Sep 2, 2018

Sep 2, 2018

Omid Vahdaty

Bootstrapping EMR from 0900 to 1700 on each work day with AWS Cloud Formation and AWS Data…

This article covers some options to bootstrap a daily AWS EMR cluster to work continuously from 0900 in the morning to 17:00 , e.g office…

Aug 17, 2018

Aug 17, 2018

Omid Vahdaty

Omid Vahdaty

Most of my career I have helped built systems from the ground up, joining young startup's on day 1. I specialise in Big Data Architecture, Product innovation

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