gzip

Technical Guide

12 Plain and gzip Files in One Command — Wide Field Part 1: 1.62x Behind ripgrep, Then 2.42x Ahead, and Never on Plain Text

[Update 2026-10-04] v1.7.3.6.8 made the second (hot) run faster "On five plain files, uvf is the slower side o…
2026.09.30
Technical Guide
Technical Guide

3.7x Behind ripgrep, 1.9x Behind klogg — Part 13 (Final): 50 GB Search 205 s to 51.70 s, Open 100.6 s to 50.44 s

Six percent. Still behind. The first search through a 50 GB log takes ripgrep 54.9–55.8 s and takes us 59.0 s.…
2026.09.28
Technical Guide
Technical Guide

We Couldn’t Search a gzip at All — Part 8: The OS zlib and an 8-Byte CRC Took 50 GB From 35.65 s to 17.20 s, Level With ripgrep

Decompression turned out to be the fast part. That was the surprise in this one. We assumed inflate would be t…
2026.09.26
Technical Guide
Technical

Compressed logs are faster to search — seven formats measured at 1 GB and 3 GB

[Update, 16 October 2026] Speed today — re-measured with v1.9.0 "Full Spectrum" The uvf and uvp numbers in thi…
2026.09.25
Technical
Technical

I Thought We Lost at 3 GB — Turns Out We’d Won (As Long as the Cache Is Cold)

A grep on 3 GB belongs to ripgrep if the file is in the cache. If it is not, it belongs to uvp. In the previou…
2026.09.18
Technical
Technical

Keep it as .uwvz instead of gzip — 1/9 the size, searchable in 7 seconds, and free to restore

This is a follow-up on where to keep logs you have finished reading. gzip makes them small, but searching mean…
2026.09.14
Technical
Technical Guide

Eight Minutes for zgrep, Every Single Time — Keeping Logs Compressed and Still Searchable

[Update, 16 October 2026] Speed today — compressed logs can now be searched as-is, even in the free app The uv…
2026.09.02
Technical Guide