πŸ”₯ The DB Grill πŸ”₯

Where database blog posts get flame-broiled to perfection

Introducing iceberg-js: A JavaScript Client for Apache Iceberg
Originally from supabase.com
December 8, 2025 β€’ Roasted by Sarah "Burnout" Chen Read Original Article

Oh, fantastic. Another minimal, vendor-agnostic JavaScript client. My heart is just soaring. I can already feel the sleep I'm going to lose. This is exactly what my resume needed: another line item under "Technologies I Have PTSD From." It's for Apache Iceberg, you say? The new hotness that's going to solve all our data lake problems by, what, making them "table-like"? Groundbreaking. We tried making databases file-like for a decade, now we're making files database-like. It's the beautiful, flat circle of tech debt.

Let's just unpack this little gift, shall we?

"Minimal." I love that word. It's so optimistic. In a sales deck, "minimal" means elegant and lightweight. In a 3 AM PagerDuty alert, "minimal" means the feature you desperately need to debug this cascading failure doesn't exist. It's a minimal client, which means it has minimal error handling, minimal documentation for edge cases, and a minimal set of maintainers who will answer your frantic GitHub issue in three to five business months. I've been down this road. "Minimal" is just corporate-speak for "we wrote the happy path and left the other 98% of reality as an exercise for the user."

And "vendor-agnostic." Chef's kiss. The most beautiful lie in enterprise software. It's vendor-agnostic in the same way a spork is "utensil-agnostic." Sure, it technically works for soup and salad, but it's terrible at both. Let me guess how this plays out: it's vendor-agnostic as long as you don't use Vendor A's proprietary IAM authentication, Vendor B's custom metadata extensions, or Vendor C's S3-compatible API that isn't quite S3-compatible. It’s "agnostic" until you need it to actually work with a specific vendor, at which point you discover the "agnosticism" is just a thin veneer over a pile of if (vendor === 'aws') { ... } else { throw new Error('Good luck, sucker'); }.

My favorite part is that it's a JavaScript client for managing a petabyte-scale data catalog. Wonderful. We're giving the keys to the entire company's data warehouse to a language where [] + {} is "[object Object]". What could possibly go wrong? I can already picture the pull request from the new front-end dev who just learned Node.js. It'll be full of async/await and a complete, blissful ignorance of concepts like "transactional integrity" or "network partitions." He'll try to update ten thousand partitions in a Promise.all and wonder why he's getting rate-limited into oblivion.

And the promise of being "type-safe." Adorable. I remember the last "type-safe" migration. The one from the "unstructured" NoSQL store to the "perfectly structured" one. It was so type-safe that we discovered, mid-migration, that a null value in a critical field from two years ago wasn't handled by the new "type-safe" ORM. The script didn't just fail; it helpfully deleted the record it couldn't parse. Only 2 million of them. A "simple" schema change that caused a four-hour outage. But the code was type-safe, my manager assured me. My eye still twitches when I see a TypeScript generic.

A minimal, vendor-agnostic JavaScript client for the Apache Iceberg REST Catalog API...

I can hear the meeting already. The CTO has a gleam in his eye. "Think of the synergy! The velocity! Our frontend team can now manage data schemas! We'll be a truly full-stack organization!"

And I'll be there, in the back of the room, sipping my cold coffee, updating my mental list of failure modes.

So yeah, go ahead. Get excited. Write your think-pieces on Medium about the paradigm shift in data management. I'll just be over here, preemptively booking a therapy session and setting up a new PagerDuty service named "Iceberg-melts-at-3am." Because the problems never go away. They just get new, trendier names. Anyway, my on-call shift is starting. I wonder what fresh hell this "stable" system has cooked up for me tonight.