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PostgreSQL Hebdo #81

Lu cette semaine : PostgreSQL transition guide: supporting the decision ; PDF Lesser Known PostgreSQL Features Why is it hard to automatically suggest what index to create? How we deconstructed the Postgres planner to find indexing opportunities PostgreSQL 14.1, 13.5, 12.9, 11.14, 10.19, and 9.6.24  […]

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PostgreSQL Hebdo #80

Lu cette semaine : WITH HOLD cursors and transactions in PostgreSQL Strings, arrays, recursion, and parsing JSON: Exploring PL/pgSQL Using Query ID in Postgres 14 Range Types & Recursion: How to Search Availability with PostgreSQL How partial, covering, and multicolumn indexes may slow down  […]

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PostgreSQL Hebdo #79

Lu cette semaine : PostgreSQL 14 Released! ; en français : https://www.loxodata.com/post/postg... An early look at Postgres 14: Performance and Monitoring Improvements JSON in PostgreSQL: how to use it righ Why we spent the last month eliminating PostgreSQL subtransactions Secret PostgreSQL Trick  […]

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PostgreSQL Hebdo #78

Lu ces dernières semaines : Logical Replication Improvements In PostgreSQL-14 Index bloat reduced in PostgreSQL v14 How to Easily Use Explain Plans? Postgres 14: It's The Little Things PostgreSQL 14 RC 1 Released! Zero-downtime Postgres schema migrations need this: lock_timeout and retries What is a  […]

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PostgreSQL Hebdo #77

Lu ces dernières semaines : PostgreSQL 14: Substantion Change to Fulltext Query Parsing Speeding Up PostgreSQL Recovery with pgBackRest Use BIGINT in Postgres From MD5 to scram-sha-256 in PostgreSQL Postgres query execution: simple query ; Postgres query execution: simple query - prepared statement  […]

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PostgreSQL Hebdo #76

Lu ces dernières semaines : An Introduction to PostgreSQL Performance Tuning and Optimization UUID, serial or identity columns for PostgreSQL auto-generated primary keys? À lire aussi sur les UUIDs : Sequential UUID Generators suivi de Sequential UUID Generators on SSD PostgreSQL 14 Beta 1 Released!  […]

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PostgreSQL Hebdo #74

Lu ces dernières semaines : Introducing pg_query 2.0: The easiest way to parse Postgres queries https://blog.crunchydata.com/blog/tuning-your-postgres-database-for-high-write-loads Can auto_explain (with timing) have low overhead? How the PostgreSQL query optimizer works Speeding up SQL queries by  […]

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PostgreSQL Hebdo #73

Lu ces dernières semaines : CREATE STATISTICS – advanced query optimization Running multiple instances of the same PostgreSQL version on RHEL/CentOS 7/8 and Fedora Reconnecting your application after a Postgres failover How to SCRAM in Postgres with pgBouncer How many engineers does it take to make  […]

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PostgreSQL Hebdo #72

Lu ces dernières semaines : Sysbench: in-memory Postgres, Postgres is boring Designing a connection pool for psycopg3 The Unexpected Find That Freed 20GB of Unused Index Space Why is there database named “postgres”? Patroni Environment Setup: PostgreSQL High Availability for Windows Publication de  […]

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PostgreSQL Hebdo #70

Lu cette semaine : À propos du coût des connexions : Measuring the Memory Overhead of a Postgres Connection Analyzing the Limits of Connection Scalability in Postgres Improving Postgres Connection Scalability: Snapshots À propos de zheap : Reinvented PostgreSQL storage Inspecting storage sizes  […]

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PostgreSQL Hebdo #69

Lu cette semaine : PostgreSQL 13 Released! The year of PostgreSQL is every year A quick look at PostgreSQL 13 RC1 query performance PostgreSQL, a community project PostgreSQL13 New Features With Examples (pdf) PostgreSQL VACUUM and ANALYZE Best Practice Tips  […]

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PostgreSQL Hebdo #68

Lu cette semaine : HOT updates in PostgreSQL for better performance FDWs, curl and LIMIT The Share Invalid mechanism of CACHE in PostgreSQL A Walk Through PostgreSQL INSERT PostgreSQL: Integers, on-disk order, and performance À propos de PostgreSQL 13 : Why PostgreSQL 13 is a Lucky Release Hidden  […]

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PostgreSQL Hebdo #66

Lu cette semaine : system_stats extension for PostgreSQL Join strategies and performance in PostgreSQL Types of Indexes in PostgreSQL Global Indexes SQL Injection Double Uppercut :: How to Achieve Remote Code Execution Against PostgreSQL Note: ceci ne fonctionne qu'en tant que superuser. Ne faites  […]

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PostgreSQL Hebdo #65

Lu cette semaine : Problème relatif au niveau d'isolation des transactions : L'article résumant le problème : http://jepsen.io/analyses/postgresq... Fil de discussion sur la liste pgsql-bugs : https://www.postgresql.org/message-... Correction du bug : https://git.postgresql.org/gitweb/?... Pour un  […]

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PostgreSQL Hebdo #64

Lu cette semaine : EXPLAIN ANALYZE may be lying to you SQL Window Functions Cheat Sheet PostgreSQL 13 beta 1 on FreeBSD via pgenv utilise l'outil pgenv Using Composite Types within Postgres Don't Leave Me Hanging: Another Type of Transaction to Monitor Partition management – do you really need a  […]

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PostgreSQL Hebdo #62

Lu cette semaine : Network latency does make a BIG difference Don't Manually Modify The PostgreSQL Data Directory ! Avoiding Cache Wipe, Synchronized Scans Binary data performance in PostgreSQL Publication de PostgreSQL 12.3 : https://www.postgresql.org/about/ne... Nouveautés à venir dans PostgreSQL  […]

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PostgreSQL Hebdo #61

Lu cette semaine : Une extension pour trouver les fichiers orphelins : https://github.com/bdrouvot/pg_orph... arm64 on apt.postgresql.org now() vs. ‘NOW’::timestamp vs. clock_timestamp() How to migrate from inheritance-based partitioning to declarative partitioning in PostgreSQL PostgreSQL 13beta1  […]

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PostgreSQL Hebdo #60

Lu cette semaine : pspg 2.7.0 with inotify support, puis : new pspg - version 3.0.2 with named pipe support Amazon RDS Now Supports PostgreSQL 12 Suite des articles sur Kerberos : PostgreSQL GSSAPI Authentication with Kerberos part-1, part-2, part-3 Évolution des WALs : part-1, part-2 Detailed look  […]

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PostgreSQL Hebdo #59

Lu cette semaine : Nouvel outil de gestion des connexions : pgagroal 0.5.0 et https://agroal.github.io/pgagroal/ À propos de SCRAM et de SHA-256 : De la sécurité pour vos mots de passe Premier volet sur Kerberos : PostgreSQL GSSAPI Authentication with Kerberos part-1: how to setup Kerberos on Ubuntu  […]

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PostgreSQL Hebdo #58

Lu cette semaine : Reduce WAL by increasing checkpoint distance PostgreSQL 12 Generated Columns: another use case private, public plpgsql functions Automatic Database Management System Tuning Through Large-scale Machine Learning (pdf) Nouvelle publication de Odyssey, l'autre pooler de connexion :  […]

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