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databases
100 postsPGSimCity: an explorable 3D city that visualizes PostgreSQL internals
PGSimCity visualizes PostgreSQL internals as an explorable 3D city, covering WAL, checkpoints, autovacuum, buffers and replication in real time.
PostgreSQL 19 Preview: Property Graph Queries and Temporal Updates
PostgreSQL 19 beta introduces SQL/PGQ graph queries, temporal FOR PORTION OF updates, and ON CONFLICT DO SELECT, shown through runnable examples.
Slater: A Low-Memory GraphDB for Graphs That Don't Fit in RAM
Slater brings disk-native, low-memory graph storage with full neo4j Bolt compatibility, live writes, and built-in vector search.
CommitBrief — AI code reviews, right in your terminal
A provider-agnostic, local-first CLI that reviews your staged changes, a historic range, or a whole GitHub pull request. Zero telemetry, no server. Free and open source.
commitbrief.comMinisqlite: A Pure-Rust Reimplementation of SQLite
Minisqlite is a pure-Rust reimplementation of SQLite, byte-compatible with its on-disk format, spanning 200K lines and 5,650 tests, no unsafe code.
Interdict: A Postgres Safety Layer Against Rogue AI Agents
Interdict simulates risky SQL writes from AI agents before execution, measures exact blast radius, makes changes undoable, and blocks unsafe statements without human approval.
A schema-only classifier that finds personal data without reading it
A rule-based classifier maps personal data from database schema alone, never reading values, with published benchmarks and honest failure modes.
PostgreSQL JSONB vs MongoDB BSON: The Real Architectural Tradeoffs
BSON and JSONB reveal deep architectural differences between MongoDB and PostgreSQL, shaping indexing, update cost, and read performance trade-offs.
OpenRaft: An async Rust Raft crate with key protocol improvements
OpenRaft brings generalized membership changes, low-conflict elections, and high-throughput batching to async Rust Raft consensus.
How Postgres-Backed Queues Scale to 30K Workflows per Second
DBOS details how SKIP LOCKED, conditional isolation levels, and partial indexes let Postgres queues scale to 30K workflows per second.
How Replit's Snapshot Engine Makes AI Coding Agents Safe
Replit's Bottomless Storage Infrastructure uses copy-on-write and git-based versioning to make AI coding agents safe, reversible, and sandboxed.