SPSalman Parvezinmlsystems.hashnode.dev·1h ago · 4 min readAmodei's Step One, at House Scale: Evaluators Inside the Row"Evaluators embedded inside the lab, with employee-level access." That is step one of Dario Amodei's We Must Pace the Frontier, published September 12. Most of the commentary treated it as a policy qu00
DNDmytro Nasyrovinpharos-production.hashnode.dev·6h ago · 17 min readDesigning Idempotent Blockchain Event Handlers: Retries, Reorgs and RecoveryA blockchain event handler can process the same notification twice and still be wrong after correctly deduplicating it. The harder failure appears when the notification belongs to a block that stops b00
PDPalash Dhavleinblog.troncodes.in·11h ago · 6 min readHow PostgreSQL Handles Millions of Queries Without Locking Up Imagine it’s Friday afternoon. Your application traffic spikes, millions of users are writing data, and your analytics dashboard is hammering the database with massive SELECT queries. In a traditional10
EAElias Alrgeaiineliasalrgeaidev.hashnode.dev·1d ago · 3 min readThe Hidden Race Condition Inside firstOrCreate()A user accidentally double clicks 'add to cart' before the button disables, firing 2 requests to your server. The requests arrive within milliseconds of each other, both calling Cart::firstOrCreate(['00
SPSalman Parvezinmlsystems.hashnode.dev·1d ago · 5 min readClaimants Without Seats — the authority bug in our own ontologyOn ML Systems' Master Ledger a fact is not a value. It is a claim — a value, plus who made it, plus the grade of evidence behind it — and several claims sit on the same entry. The ledger decides which00
TTechDecodeingramosoft-tech-insights.hashnode.dev·2d ago · 7 min readMCP Explained: How Model Context Protocol Is Changing AI IntegrationsModern AI applications are moving beyond simple chat interfaces. AI systems increasingly need access to databases, APIs, files, business applications, developer tools, and other external systems. This00
MSMikhail Shytskoinmikhail-shytsko.hashnode.dev·2d ago · 20 min readWhat is Referential Integrity? Definition and ExamplesWhat is referential integrity? Referential integrity is a relational-database property that ensures every foreign key value in a child row points to a primary key value that actually exists in the par00
Aanckursinghinaikoql.hashnode.dev·2d ago · 16 min readCan AIKOQL Work Alongside PostgreSQL, Vector Databases, and Knowledge Graphs?There is a question I expect almost every experienced engineer to ask when they first see AIKOQL: Why do we need another database? It is a fair question. Most organizations already have databases. T00
AAA Adarshinadarshgowda.hashnode.dev·3d ago · 6 min readPre-aggregation gets you 100× — until someone applies a filterYou have a dashboard over a large fact table. Tens of millions of new rows a month, thirty tiles on the page, and every tile is an aggregate: orders by channel, revenue by region, units by device. Eac00
Jjudeinsoit-ai.hashnode.dev·2d ago · 18 min readFive tables, four kinds of replay, and a status called in_doubtThe short version replay means four different things in our codebase. Here they are up front: # What it is Entry point Re-executes? Cost 1 Evidence replay GET /api/v1/observe/runs/{run_id}/repla00
