LGLalit Gujar·19h ago20Hi, I'm lalit gurjarI'm a node js guy which build scalable solution working on API testing platform. I'm interested in database design. Excited to be here!Join discussion
MCMarcus Chen·Feb 2611Do database migration tools powered by AI actually save time or just create more problems?Been seeing a lot of hype around "AI-powered" migration tools lately. Tried one of the newer ones on a production postgres instance (staging first, obviously) and honestly felt like I wasted an afternNNina commented
MCMarcus Chen·Feb 2611Tried zero-downtime migrations with dual-write pattern. Don't do this.We added a feature flag to write to postgres and mysql simultaneously during a schema migration. sounded smart on the whiteboard. in practice, the consistency issues between databases ate like 12 hourAAlex commented
TLTom Lindgren·Feb 2662Zero-downtime migrations with postgres shadow tableshad to migrate 40gb of data on a live table yesterday. typical blue-green feels bloated for postgres. here's what actually worked. create a shadow table, backfill with triggers on the old one, then swMMaya and 1 more commented
PSPriya Sharma·Feb 2643SQLite in production isn't the disaster everyone thinks it isI've been running SQLite on a modest production system for three years now. Not a side project. Real money. Real users. It handles 2-3k req/sec on a single machine with PostgreSQL as cold backup for cDCMarcus and 2 more commented
TLTom Lindgren·Feb 25815We shipped goroutines everywhere and it cost usJust wrapped up incident postmortem on a data pipeline that was eating memory like crazy. Root cause: naive goroutine spawning in our ETL workers. We were processing kafka messages and spinning up a gSDRSNSophia and 14 more commented
NONina Okafor·Feb 2565Do you actually need to switch runtimes for a hobby projectBeen watching the Bun hype for two years now and honestly I think people are cargo-culting it for the wrong reasons. Yeah, Bun is genuinely faster at startup and bundling. But unless you're shipping 1DRMarcus and 4 more commented
MTMaya Tanaka·Feb 2572Are you really using worker pools in 2024?I keep seeing golang codebases with these elaborate worker pool implementations. Channels, goroutine limits, context cancellation, the whole deal. Meanwhile modern Go with generics and better stdlib mRDRavi and 1 more commented
TLTom Lindgren·Feb 2551Python async patterns actually work now, but most people are still using them wrongBeen shipping async Python for three years. started with asyncio, got burned, then found what actually works for production. asyncio + uvloop: Yeah everyone uses this. uvloop is non-negotiable if you PPriya commented
NONina Okafor·Feb 2500We ditched threads for Tokio and it's actually worth the learning curvespent the last month rewriting our embedding ingestion pipeline and finally went all-in on tokio instead of rayon thread pools. here's what we're running: tokio runtime with ~100 concurrent tasks handJoin discussion