Wieder was gelernt

Optimizing SQLite for servers

2024-07-21 (Sunday)
Tags: SQLite performance programming Django

Sylvain Kerkour, February 15, 2024: Optimizing SQLite for servers

ByteA

2022-10-22 (Saturday)
Tags: postgresql bytea blob random access performance

Alvaro Herrera on pgsql-general: if you set ALTER TABLE tab ALTER COLUMN byt SET STORAGE EXTERNAL then compression is not used, and random access becomes fast.

INP

2022-05-16 (Monday)
Tags: web development performance

Interaction to Next Paint (INP)

gzip performance

2022-03-21 (Monday)
Tags: gzip performance

1st, some old data: https://www.hjp.at/zettel/g/gzip-performance.html tar.gz of a posgresql db (ca. 2TB. compression ratio 1:9). compression: 7:48 hours. 68e6 B/s. 246e9 B/h decompression: 1:50 hours, 294e6 B/s, 1e12 B/h

How io_uring and eBPF Will Revolutionize Programming in Linux

2020-11-28 (Saturday)
Tags: linux io_uring ePBF performance I/O scylladb

How io_uring and eBPF Will Revolutionize Programming in Linux

BPF Compiler Collection (BCC)

2020-08-08 (Saturday)
Tags: linux performance monitoring bpf

Githug Project Page Examples: How to Use BCC Kernel Tracing Tools for Linux Performance Analysis How to measure Linux Performance Avoiding Most Typical Mistakes: CPU

Async Python is not faster

2020-06-17 (Wednesday)
Tags: Python Web Performance

Under realistic conditions (see below) asynchronous web frameworks are slightly worse throughput (requests/second) and much worse latency variance. Async Python is not faster