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moonikakiss

HN member
Joined
Thu, Nov 07, 2024, 7:25 PM UTC
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About moonikakiss

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Recent public activity

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    Comment #44176109

    I did due-diligence on Builder.AI for a venture firm I was interning at (circa 2019). It was extremely apparent (Glassdoor, talking to any employee) it was complete BS. When I say …

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    Comment #44122847

    totally agreed on 3. You're also missing the challenges of dealing with updates/deletes; and managing the many small files. CDC from OLTP to Iceberg is extremely non-trivial.

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    Comment #43991505

    yep exactly. we can wait for replay LSN. So you're only reading once all writes to OLTP are complete.

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    Comment #43991231

    great point. with pg_mooncake v0.2 (launching in ~couple weeks), you'll be able to get a columnar copy of your Postgres that's always synced ( Keep your write path unchanged, and k…

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    Comment #43991218

    yes you can. Even if the columnar tables are in the read replica. you'll be able to do joins with your OLTP tables

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    Comment #43991213

    exactly. we take the CDC output / logical decoding from your OLTP tables and write into a columnar format with We had to design this columnstore to be 'operational' so it can keep …

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    Comment #43990596

    great blog. It seems like you might benefit from columnar storage in Postgres for that slow query that took ~20seconds. It's interesting that people typically think of columnstores…

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    Comment #43989526

    Even more so after Neon + Databricks.

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    Comment #43988881

    it was a couple things. 1. It's really really hard to replace anyone's OLTP. 2. OLTP and OLAP are owned by such different teams. Who do you make your champion? 3. The modern HTAP d…