Viewing profile — craigkerstiens

craigkerstiens

HN member

Joined: Sat, Sep 20, 2008, 11:43 PM UTC
HN karma: 32,048
Public activity: 2,512 items
HN profile: View on Hacker News ↗

About craigkerstiens

I work at Snowflake building best in class Postgres via Crunchy Data, building Snowflake Postgres - a multi-cloud Postgres managed service. Previously I ran product at Azure Postgres, product at Citus data, and a number of product areas at Heroku.

You can find more thoughts from me: https://www.craigkerstiens.com

Recent public activity

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How We Pushed CDC into Postgres
Mon, Aug 10, 2026, 1:01 AM UTC
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Count(distinct) Is Too Slow: Approximations and Sampling in Postgres
Wed, Aug 05, 2026, 2:02 PM UTC
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Things I would have done differently (consulting)
Sat, Aug 01, 2026, 10:57 PM UTC
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How We Pushed CDC into Postgres
Tue, Jul 28, 2026, 3:39 PM UTC
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PostgreSQL Extension Catalog
Fri, Jul 24, 2026, 9:14 PM UTC
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How We Pushed CDC into Postgres
Fri, Jul 24, 2026, 4:21 PM UTC
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The four horsemen behind Postgres outages
Thu, Jul 09, 2026, 7:20 PM UTC
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How to Read Postgres Explain: A Guide to Scan Types
Wed, Jul 08, 2026, 12:38 AM UTC
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Understanding Postgres 19 Property Graphs
Mon, Jul 06, 2026, 2:08 AM UTC
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Looking Ahead to Postgres 19
Tue, Jun 23, 2026, 5:36 PM UTC
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Looking Ahead to Postgres 19
Thu, Jun 18, 2026, 5:14 PM UTC
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Postgres Scan Types in Explain Plans
Sat, Jun 13, 2026, 2:06 AM UTC
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Do You Need to Tune Postgres Vacuum?
Thu, Apr 02, 2026, 10:04 PM UTC
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Postgres Time Series (Open Source) Stack with Iceberg
Sat, Mar 14, 2026, 3:41 PM UTC
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Building a High-Performance Postgres Time Series Stack with Iceberg
Fri, Mar 06, 2026, 6:56 PM UTC
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Postgres Jsonb Columns and Toast: A Performance Guide
Thu, Feb 26, 2026, 12:59 AM UTC
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Comment #46915673
It sounds like there were pretty broad layoffs which impacted a lot more than just a focus on enterprise contracts. It wasn't "just" a few enterprise sales people. Engineering may …

Fri, Feb 06, 2026, 5:31 PM UTC
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Comment #46915173
It sounds like there were pretty broad layoffs which impacted a lot more than just a focus on enterprise contracts. It wasn't "just" a few enterprise sales people. Engineering may …

Fri, Feb 06, 2026, 4:52 PM UTC
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Postgres Scan Types
Sat, Jan 10, 2026, 5:53 PM UTC
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Why Everyone Loves Japan
Sat, Dec 27, 2025, 6:22 PM UTC
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Snowflake Postgres Is Now Available in Public Preview
Mon, Dec 22, 2025, 9:02 PM UTC
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Snowflake Postgres Is Now Available in Public Preview
Fri, Dec 19, 2025, 4:02 PM UTC
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Postgres Internals Hiding in Plain Sight
Fri, Nov 07, 2025, 11:06 PM UTC
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Postgres 18: Old and New Rows in the Returning Clause
Fri, Sep 26, 2025, 3:53 PM UTC
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What's Coming in Postgres 18
Sat, Sep 20, 2025, 6:05 PM UTC