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rubystacknews.com /1 month ago

Hooking into ActiveRecord’s Connection Pool: A Clean Way to Enable PostgreSQL Row-Level Security

Originally appeared on Weelkly Article – Linking Ruby knowledge from the most remote places in the world..August 6, 2026 Most Rails applications that implement multi-tenancy eventu...

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railsrevelry.substack.com /2 weeks ago

The Persistence APIs That Skip the Record Lifecycle

Originally appeared on Rails Revelry.A support team suspends 37 accounts after a credential leak. The operation reports that all 27 rows changed, and a fresh query confirms that ea...

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habr.com /1 week ago

Postgresso 7–8 (92–93)

PGW: A PGBACKREST INTERLUDE:(Andreas Scherbaum, Jimmy Angelakos)Andreas Scherbaum and Jimmy Angelakos presented a quantitative analysis of the PostgreSQL CommitFest process using d...

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rubystacknews.com /1 month ago

Beyond tenant_id: Treating Multi-Tenancy as a Database Invariant

Originally appeared on Weelkly Article – Linking Ruby knowledge from the most remote places in the world..Beyond tenant_id: Treating Multi-Tenancy as a Database Invariant July 20,...

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habr.com /3 weeks ago

HA: Отказоустойчивость PostgreSQL. Transaction Guard

При создании отказоустойчивых систем стремятся гарантировать отсутствие потерь транзакций при восстановлении из бэкапов или при переключении на реплику (резервный кластер баз данны...

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habr.com /1 month ago

Двойная бронь: как мы поймали гонку в записи и закрыли её EXCLUDE-констрейнтом

Я делаю сервис онлайн-записи для салонов красоты: клиент записывается в чат-боте или на странице, а запись падает в расписание мастера. Однажды мастер написал мне: на 15:00 к ней п...

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javacodegeeks.com /1 month ago

PostgreSQL Job Scheduling with pg_cron

Modern applications frequently require background jobs such as cleaning expired sessions, refreshing materialized views, archiving historical data, sending notifications, or genera...

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dzone.com /1 month ago

Fix Circular Dependencies in PostgreSQL Row-Level Security With SECURITY DEFINER Functions

Row-level security in PostgreSQL is one of the more useful features for multi-tenant applications. The idea is straightforward: define a policy on a table that tells PostgreSQL whi...

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railsrevelry.substack.com /1 month ago

What Active Record Transactions Actually Protect

Originally appeared on Rails Revelry.transaction is one of the few Active Record APIs that reads like a promise. Wrap the work in a block, and either all of it happens, or none of...

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habr.com /1 month ago

Postgresso #6 (91)

pgrust это СУБД или злая шутка?Майкл Мэйлис (Michael Malis), житель Сан Франциско, основатель freshpaint‑io, работал в компании Heap — человек в мире Postgres не слишком известный,...

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databricks.com /1 week ago

Object Storage + WAL: Lakebase Postgres for the agentic era

Agents that interact with a traditional OLTP database often create bottlenecks at the storage layer. New deployments...

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rubyflow.com /1 month ago

What Active Record Transactions Actually Protect

An Active Record transaction traced across one database connection, retained model state, remote side effects, false returns, non-local exits, nested transactions, savepoints, and...

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sourcetrail.com /5 days ago

PostgreSQL 19 Adds SQL/PGQ Graph Queries, While Critical Flaw and AWS Migration Tools Shape the Ecosystem

PostgreSQL 19 adds SQL/PGQ graph queries, a critical logical replication flaw is patched, and AWS DMS now uses AI agents for SQL Server migrations. Get the full breakdown. The post...

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aws.amazon.com /3 weeks ago

Understand memory management in Amazon RDS for PostgreSQL to avoid out of memory

PostgreSQL out-of-memory (OOM) events and excessive disk spilling are among the most common production incidents on Amazon RDS for PostgreSQL and Amazon Aurora PostgreSQL. Learn ho...

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dzone.com /1 month ago

Why SQL Server Applications Break on PostgreSQL and How Compatibility Layers Fix It

When an enterprise decides to migrate from SQL Server to PostgreSQL, the first conversation is almost always about data movement. How many terabytes need to transfer? Which replica...

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habr.com /2 weeks ago

GFM: децентрализованная альтернатива Patroni и etcd для PostgreSQL на базе P2P-меша с In-Memory управлением

Если вы когда-нибудь настраивали Patroni, то знаете это чувство: чтобы просто следить за одной базой, вам нужно построить вокруг неё целый город. Тут у нас etcd, там Consul, здесь...

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rubyflow.com /1 month ago

Most Rails multi-tenant apps trust developers to remember where(tenant_id: ...).

https://rubystacknews.com/2026/07/20/beyond-tenant_id-treating-multi-tenancy-as-a-database-invariant/

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dev.to /2 days ago

Apache AGE under load: how PostgreSQL graphs behave under stress

This story started when we found several segfaults in Apache AGE. Segfaults in a young extension are not exactly shocking, but they raised a fair question: if stability is still a...

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thehackernews.com /5 days ago

PostgreSQL Fixes 12-Year-Old Logical Decoding Flaw Enabling Replication-Role Code Execution

PostgreSQL has released updates to address a security flaw that allows an account with the REPLICATION attribute to run arbitrary code as the operating-system user running the data...

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habr.com /1 month ago

ILM на практике — помощь в переносе данных без сюрпризов. Разбираем демосценарий с разработчиком pg_ilm

В первой статье мы познакомились с pg_ilm — расширением Tantor Postgres, реализующим концепцию ILM (Information Lifecycle Management) для PostgreSQL. Оно анализирует жизненный цикл...

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sourcetrail.com /5 days ago

PostgreSQL 19 Adds Native SQL/PGQ Graph Queries, While Critical Flaw CVE-2026-6471 Patched Across All Supported Versions

PostgreSQL 19 adds native SQL/PGQ graph support, while a critical logical replication flaw (CVE-2026-6471) is patched in all versions. Learn what this means for your database. The...

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habr.com /1 month ago

[Перевод] Заглядывая в будущее: Postgres 19. REPACK, SQL/PGQ и умный autovacuum

У каждого релиза Postgres свой характер.Одни релизы строятся вокруг громкой фичи. Другие решают давнюю проблему. Третьи содержат небольшие улучшения, которые замечаешь только после...

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runet.news /2 weeks ago

Oracle способствовала развитию конкурента PostgreSQL

Компания Oracle против своей воли поспособствовала быстрому развитию системы управления базами данных (СУБД) PostgreSQL. Oracle владеет прямым конкурентом PostgreSQL, СУБД MySQL, и...

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rubyflow.com /1 month ago

Did you know you can hook into ActiveRecord's connection pool to automatically config

рџ”— https://rubystacknews.com/2026/08/06/hooking-into-activerecords-connection-pool-a-clean-way-to-enable-postgresql-row-level-security/

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