Anayrat links

The Surprising Impact of Medium-Size Texts on PostgreSQL Performance | Haki Benita

PostgreSQL · toast

October 21, 2021 at 11:17:45 AM GMT+2 * · permalink

https://hakibenita.com/sql-medium-text-performance

What is the new LZ4 TOAST compression in PostgreSQL 14, and how fast is it?

pg14 · PostgreSQL · lz4 · toast

October 21, 2021 at 11:06:10 AM GMT+2 * · permalink

https://www.postgresql.fastware.com/blog/what-is-the-new-lz4-toast-compression-in-postgresql-14

WITH HOLD cursors and transactions in PostgreSQL - CYBERTEC

PostgreSQL · SQL · cursor

October 20, 2021 at 6:59:31 PM GMT+2 * · permalink

https://www.cybertec-postgresql.com/en/with-hold-cursors-and-transactions-in-postgresql/

Useful queries to analyze PostgreSQL lock trees (a.k.a. lock queues) | Database Lab · Fast clones of PostgreSQL databases · Postgres.ai

PostgreSQL · lock · pg_locks · monitoring

October 19, 2021 at 3:21:21 PM GMT+2 * · permalink

https://postgres.ai/blog/20211018-postgresql-lock-trees

Herding elephants: Lessons learned from sharding Postgres at Notion

PostgreSQL · partionning · Sharding

October 14, 2021 at 10:59:52 AM GMT+2 * · permalink

https://www.notion.so/blog/sharding-postgres-at-notion

Rust : sûr et concurrent. Mais comment fait-il ? (Benjamin Coenen) - YouTube

rust

October 12, 2021 at 11:09:11 AM GMT+2 * · permalink

https://www.youtube.com/watch?v=YuHoujk8SUc

In defence of swap: common misconceptions

linux · Kernel · memory · swap

October 12, 2021 at 11:02:10 AM GMT+2 * · permalink

https://chrisdown.name/2018/01/02/in-defence-of-swap.html

Linux buffered write latency - DEV Community

linux · Kernel · memory

October 12, 2021 at 10:19:37 AM GMT+2 * · permalink

https://dev.to/fritshooglandyugabyte/linux-buffered-write-latency-10mc

Multirange types in PostgreSQL 14 - Postgres OnLine Journal

PostgreSQL · SQL · range · pg14 · multirange

October 12, 2021 at 10:03:35 AM GMT+2 * · permalink

https://www.postgresonline.com/journal/index.php?/archives/401-Multirange-types-in-PostgreSQL-14.html

Advanced SQL window functions quiz

exercices · PostgreSQL · Window_function · SQL

October 11, 2021 at 11:16:27 AM GMT+2 * · permalink

https://www.windowfunctions.com/

PostgreSQL Exercises

exercices · SQL · PostgreSQL

October 11, 2021 at 11:14:48 AM GMT+2 * · permalink

https://pgexercises.com/

Upgrading PostgreSQL 9.6 to PostgreSQL 13 - MigOps

PostgreSQL · Upgrade

October 6, 2021 at 1:55:31 PM GMT+2 * · permalink

https://www.migops.com/blog/2021/09/29/upgrading-postgresql-9-6-to-postgresql-13/

Off-CPU Analysis

not_read · perf

October 6, 2021 at 9:47:20 AM GMT+2 * · permalink

https://www.brendangregg.com/offcpuanalysis.html

Why we spent the last month eliminating PostgreSQL subtransactions|GitLab

PostgreSQL · subtransaction · best_read · multixact · MVCC

October 4, 2021 at 12:45:32 PM GMT+2 * · permalink

https://about.gitlab.com/blog/2021/09/29/why-we-spent-the-last-month-eliminating-postgresql-subtransactions/#disqus_thread

Gaps in sequences in PostgreSQL, causes and remedies - CYBERTEC

PostgreSQL · sequence

September 30, 2021 at 10:18:44 AM GMT+2 * · permalink

https://www.cybertec-postgresql.com/en/gaps-in-sequences-postgresql/

PostgreSQL indexes and operators - Blog dbi services

PostgreSQL · index

September 28, 2021 at 11:52:36 AM GMT+2 * · permalink

https://blog.dbi-services.com/postgresql-indexes-and-operators/

JSON in PostgreSQL: how to use it right - CYBERTEC

PostgreSQL · JSON · modelisation

September 28, 2021 at 11:27:17 AM GMT+2 * · permalink

https://www.cybertec-postgresql.com/en/json-postgresql-how-to-use-it-right/

0. Linux Page Cache for SRE

linux · Kernel · best_read · memory

September 22, 2021 at 10:12:04 PM GMT+2 * · permalink

https://biriukov.dev/docs/page-cache/0-linux-page-cache-for-sre/

How does Hash Join work in PostgreSQL and its derivates

PostgreSQL · Hash · Join

September 21, 2021 at 11:32:14 AM GMT+2 * · permalink

https://www.postgresql.eu/events/pgconfeu2019/sessions/session/2669/slides/226/2019_HashJoin_In_PostgreSQL_Milan.pdf

Rust tutorial

rust

September 18, 2021 at 12:18:50 PM GMT+2 * · permalink

https://blog.guillaume-gomez.fr/Rust