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Database Engineering
[DBEng] Azure HorizonDB Architecture Details Revealed from Microsoft
A database engineering breakdown of Microsoft's next-generation PostgreSQL service.
Feb 2
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Haider Z
4
1
How Notion Sharded PostgreSQL Without Downtime
From 1 RDS to 96 Databases: A Masterclass in Horizontal Scaling and Sharding
Jan 21
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Haider Z
6
4
Apple’s Secret Database: How FoundationDB Powers iCloud
Discover how Apple’s FoundationDB and Record Layer power iCloud services for over a billion devices worldwide.
Jan 9
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Haider Z
2
1
How Apollo Hospitals Migrated 25 Years of Oracle to PostgreSQL
99.95% uptime. 90% of transactions under 5 seconds. 40% faster deployments. Here’s what happened.
Jan 5
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Haider Z
4
1
Why Target Moved Beyond Keyword Search With Vector AI
20% better product discovery. 10x faster queries. Half the dead ends. Here's what happened.
Dec 29, 2025
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Haider Z
3
2
1
Why I Built run_health_report() PostgreSQL Health Audit Born From Sev-1 Incidents
The story behind a PostgreSQL observability tool that came from years of managing escalations, repeated outages, and a simple question: Why didn’t we…
Dec 26, 2025
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Haider Z
4
2
Why Netflix Broke Up With Self-Managed Postgres
28% cost savings. 75% faster responses. Zero regrets. Here's what happened.
Dec 18, 2025
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Haider Z
5
1
1
How OpenAI Scaled Postgres to Millions of QPS
A behind-the-scenes breakdown of OpenAI’s Postgres scaling strategy, PostgreSQL optimizations, global read replicas, and the engineering discipline that…
Nov 21, 2025
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Haider Z
5
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