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Maithreyan

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Location Bengaluru Joined Joined on  github website

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Data Engineer

Writing Debut
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Hacktoberfest 2020
My PySpark Pipeline Was Reading the Same Table 3 Times — Here's Why

My PySpark Pipeline Was Reading the Same Table 3 Times — Here's Why

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5 min read
95% of My PySpark Job Finished in 4 Minutes. The Last Task Took 40. Here's Why.

95% of My PySpark Job Finished in 4 Minutes. The Last Task Took 40. Here's Why.

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5 min read
Why Apache Airflow Instead of Cron? A Deep Dive Into How Airflow Actually Schedules Your DAGs

Why Apache Airflow Instead of Cron? A Deep Dive Into How Airflow Actually Schedules Your DAGs

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4 min read
How SQL Actually Works Under the Hood — A Deep Dive Into Snowflake and Redshift

How SQL Actually Works Under the Hood — A Deep Dive Into Snowflake and Redshift

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5 min read
How I Stopped Recalculating the Same MAX(date) Subquery on Redshift

How I Stopped Recalculating the Same MAX(date) Subquery on Redshift

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4 min read
Why CTE vs Subquery Matters More on Redshift Than Anywhere Else

Why CTE vs Subquery Matters More on Redshift Than Anywhere Else

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2 min read
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