Anayrat links

postgresql comprendre le fonctionnement du shared_buffer

PostgreSQL · Internal · memory

September 13, 2023 at 11:04:45 AM GMT+2 * · permalink

https://easyteam.fr/postgresql-tout-savoir-sur-le-shared_buffer/

Measuring the Memory Overhead of a Postgres Connection · Postgres From Below

PostgreSQL · Internal · memory · hugepages

September 13, 2023 at 10:48:20 AM GMT+2 * · permalink

https://blog.anarazel.de/2020/10/07/measuring-the-memory-overhead-of-a-postgres-connection/

Postgres memory allocation and OS memory allocation - DEV Community

PostgreSQL · Internal · memory

September 13, 2023 at 10:47:59 AM GMT+2 * · permalink

https://dev.to/yugabyte/postgres-memory-allocation-and-os-memory-allocation-30f1

Plongée dans les collations et l'EBCDIC

PostgreSQL · Collation · ICU · EBCDIC

September 7, 2023 at 9:34:23 AM GMT+2 * · permalink

https://blog.dalibo.com/2023/09/07/collation-ebcdic.html

HNSW Indexes with Postgres and pgvector

PostgreSQL · pgvector

September 1, 2023 at 10:46:17 PM GMT+2 * · permalink

https://www.crunchydata.com/blog/hnsw-indexes-with-postgres-and-pgvector

Manage case-insensitive data in PostgreSQL | AWS Database Blog

Postgis · Collation · case_insensitive

August 12, 2023 at 2:47:21 PM GMT+2 * · permalink

https://aws.amazon.com/blogs/database/manage-case-insensitive-data-in-postgresql/

Database Concurrency in PostgreSQL - Simple Talk

PostgreSQL · MVCC · Isolation

August 12, 2023 at 2:40:54 PM GMT+2 * · permalink

https://www.red-gate.com/simple-talk/databases/postgresql/database-concurrency-in-postgresql/

New Module Initialization vs Bootstrap in PostgreSQL - Highgo Software Inc.

PostgreSQL · hack · Internal · memory

August 12, 2023 at 2:35:34 PM GMT+2 * · permalink

https://www.highgo.ca/2023/08/11/new-module-initialization-vs-bootstrap-in-postgresql/

Vectors are the new JSON in PostgreSQL |Jonathan Katz

PostgreSQL · pgvector · vector

August 11, 2023 at 11:21:10 AM GMT+2 * · permalink

https://jkatz05.com/post/postgres/vectors-json-postgresql/

An early look at HNSW performance with pgvector |Jonathan Katz

PostgreSQL · vector · pgvector

August 11, 2023 at 11:04:50 AM GMT+2 * · permalink

https://jkatz05.com/post/postgres/pgvector-hnsw-performance/

FlameGraphs on Steroids with profiler.firefox.com - DEV Community

perf · flamegraph

August 4, 2023 at 3:28:21 PM GMT+2 * · permalink

https://dev.to/yugabyte/flamegraphs-on-steroids-with-profilerfirefoxcom-203f

Chiffrement sous PostgreSQL : mais sous quelles conditions ? - Capdata TECH BLOG

PostgreSQL · pgcrypto · Encryption · Security

August 4, 2023 at 1:04:55 PM GMT+2 * · permalink

https://blog.capdata.fr/index.php/chiffrement-des-donnees-sous-postgresql/

Reproducible builds: a PostgreSQL query optimization example

Replace NOT IN by NOT EXISTS

PostgreSQL · Tricks · NOT_IN · exists · IN

July 26, 2023 at 12:55:52 PM GMT+2 * · permalink

https://www.cybertec-postgresql.com/en/reproducible-builds-postgresql-query-optimization/

Arch Install Linux Zen Kernel + LUKS2 + LVM + BTRFS + systemd-boot + hyprland + Fish shell | Trivial notes

archlinux · linux · tools

July 17, 2023 at 10:56:16 AM GMT+2 * · permalink

https://legoffant.github.io/arch-install-linux-zen-kernel-luks2-lvm-btrfs-systemd-boot-hyprland-fish-shell.html

Subqueries and performance in PostgreSQL - CYBERTEC

PostgreSQL · SQL · exists · optimizer

July 11, 2023 at 11:47:17 AM GMT+2 * · permalink

https://www.cybertec-postgresql.com/en/subqueries-and-performance-in-postgresql/

The GROUP BY Clause - Simple Talk

SQL · group_by

July 11, 2023 at 12:09:31 AM GMT+2 * · permalink

https://www.red-gate.com/simple-talk/databases/theory-and-design/the-group-by-clause/

Déverrouiller un système distant et chiffré lors de son démarrage - GuiGui's Show

ssh · luks · Encryption

July 8, 2023 at 11:53:23 AM GMT+2 * · permalink

http://shaarli.guiguishow.info/?cgjIQw

TIL - IN is not the same as ANY

PostgreSQL · IN · SQL

July 5, 2023 at 11:51:19 AM GMT+2 * · permalink

https://kmoppel.github.io/2023-07-04-til-in-is-not-the-same-as-any/

Memory context: how PostgreSQL allocates memory - CYBERTEC

PostgreSQL · Internal · memory

June 29, 2023 at 1:34:20 PM GMT+2 * · permalink

https://www.cybertec-postgresql.com/en/memory-context-for-postgresql-memory-management/

Unexpected downsides of UUID keys in PostgreSQL - CYBERTEC

PostgreSQL · uuid

June 26, 2023 at 1:24:43 PM GMT+2 * · permalink

https://www.cybertec-postgresql.com/en/unexpected-downsides-of-uuid-keys-in-postgresql/