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#postgres

Is your Postgres migration safe or not safe?

Hacker News Top ↗ · 17h ago Cached

This article introduces a web-based tool that checks the safety of PostgreSQL migrations using a WASM parser, helping developers validate database changes.

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#postgres

Postgres SELECT DISTINCT Does Not Scale

Hacker News Top ↗ · 2d ago Cached

The article explains that PostgreSQL's SELECT DISTINCT clause does not scale efficiently, as it always scans all matching rows, leading to performance problems in certain workloads, and provides insights and workarounds.

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#postgres

Cronhq

Product Hunt ↗ · 6d ago Cached

Cronhq is a scheduler that ensures exactly-once execution for cron jobs, featuring retries, HMAC-signed webhooks, and heartbeats, built on Rust and Postgres, and is open-source under MIT license.

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#postgres

Tin: full-text search for Postgres

Hacker News Top ↗ · 2026-09-19 Cached

TIN is a fast, full-featured full-text search extension for Postgres that supports boolean expressions, fuzzy matching, and concurrent operations, released by PlanetScale as a GA product.

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#postgres

@BohuTANG: I'm doing something similar too. Jev is still too slow in this kind of scenario.

X AI KOLs Timeline ↗ · 2026-09-19 Cached

A discussion about using Jev for query optimization, with one user sharing a 12% speed improvement in Postgres queries and another commenting on Jev's performance issues.

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#postgres

@sunmer575399: The Supabase project is trending, and its 109.4k stars are well-deserved. It provides a hosted Postgres database, no need to set up the environment or configure replication. Last week, for a new project, I went from registration to getting the connection string in less than 3 minutes. Previously, setting up servers would take half a day—the efficiency difference is huge. Authentication, REST, GraphQL…

X AI KOLs Timeline ↗ · 2026-09-18 Cached

Supabase is an open-source Postgres development platform offering a hosted database, automatic API generation, authentication, and AI tools, earning over 109k stars on GitHub for its efficiency and comprehensiveness.

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#postgres

Training a 4B model to produce 81% faster query plans than Postgres

Hacker News Top ↗ · 2026-09-16 Cached

The article describes an experiment where a 4B AI model is trained via fine-tuning and reinforcement learning to optimize Postgres query plans, achieving an 81% faster performance and 44.7% latency reduction across join-heavy queries.

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#postgres

What's Left to Do When AI Does It All?

Reddit r/AI_Agents ↗ · 2026-09-15

The article explores the role of humans in AI-assisted software development, emphasizing that human expertise is crucial beyond basic AI prompting, as seen in projects like rewriting Postgres in Rust for performance gains and the author's own AI orchestration systems.

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#postgres

Postgres development activity

Lobsters Hottest ↗ · 2026-09-15 Cached

This article analyzes trends in development activity for the Postgres project, using data from mailing lists and git repositories to quantify changes over time.

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#postgres

WalShadow: Sub-second Postgres replication to ClickHouse from physical WAL

Hacker News Top ↗ · 2026-09-11 Cached

WalShadow is an open-source tool that replicates Postgres data to ClickHouse with sub-second latency by directly consuming physical WAL, enabling real-time analytics with high throughput and schema evolution support.

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#postgres

@samlambert: Unsharded Neki is also extremely powerful and will become the best way to run Postgres at any scale.

X AI KOLs Timeline ↗ · 2026-09-10

Sam Lambert tweets that Unsharded Neki is an extremely powerful tool for running PostgreSQL at any scale and predicts it will become the best method for doing so.

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#postgres

Neki by PlanetScale

Hacker News Top ↗ · 2026-09-10 Cached

Neki is a sharded Postgres solution by PlanetScale that enables horizontal scaling to hundreds of millions of QPS and petabytes of data with zero-downtime operations.

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#postgres

Show HN: EterDB, a Postgres fork that makes it easy to recover from incidents

Hacker News Top ↗ · 2026-09-10 Cached

EterDB is a Postgres fork that allows transaction-level undo and dependency-aware recovery, enabling easy reversal of mistakes in production databases without full restores.

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#postgres

Inserting State Transitions in Postgres

Lobsters Hottest ↗ · 2026-09-04 Cached

The article explains how to handle race conditions in PostgreSQL when modeling state transitions with an append-only table, suggesting the use of SELECT FOR UPDATE to serialize transactions and avoid inconsistencies.

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#postgres

Show HN: Restoredrill – proves your Postgres backups restore

Hacker News Top ↗ · 2026-08-27 Cached

Restoredrill is an open-source tool that automates the testing of PostgreSQL backups by restoring them into a container and running verification checks, producing audit-ready reports for compliance.

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#postgres

I talked to 40+ devs shipping AI agents. The failure pattern nobody's tooling catches.

Reddit r/AI_Agents ↗ · 2026-08-25

The article identifies a common failure pattern in AI agent deployments where successful reports mask silent database write failures, and introduces a SDK called Synathic to automatically verify post-execution state.

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#postgres

Poisoned Postgres connection pools

Lobsters Hottest ↗ · 2026-08-20 Cached

This article explains the problem of poisoned connection pools in PostgreSQL when using PgBouncer, where stale session state can cause write errors, and provides a solution using DISCARD ALL to reset connections.

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#postgres

@_avichawla: How Cloudflare cut query times by 35x without leaving Postgres: Their Postgres tables hit billions of rows, and every t…

X AI KOLs Timeline ↗ · 2026-08-17 Cached

Cloudflare improved query performance by 35x on billion-row Postgres tables using TimescaleDB (Tiger Cloud), and built a real-time earthquake dashboard with Claude Code and Tiger CLI.

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#postgres

Does anyone run Postgres without PgBouncer?

Lobsters Hottest ↗ · 2026-08-13 Cached

A developer reflects on a decade-old article about Postgres connection management, surveys popular managed Postgres providers, and argues that PgBouncer-style connection pooling is effectively a mandatory core feature.

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#postgres

How We Pushed CDC into Postgres

Hacker News Top ↗ · 2026-08-10 Cached

Snowflake's engineering blog details the new Postgres data mirroring feature that pushes changes via a snowflake_cdc extension into Iceberg tables, aiming for resilient, low-lag transactional replication.

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