Oleksandr Redko
9fff48c3e3
app,lib: fix typos in comments ( #3804 )
2023-02-13 13:27:13 +01:00
Aliaksandr Valialkin
146021a076
lib/promrelabel: there is no need in calling regex.HasPrefix() after the optimization at 17289ff481
2022-09-30 10:49:18 +03:00
Aliaksandr Valialkin
17289ff481
lib/regexutil: cache MatchString results for unoptimized regexps
...
This increases relabeling performance by 3x for unoptimized regexs
2022-09-30 10:41:29 +03:00
Aliaksandr Valialkin
a2cd79576f
lib/promrelabel: call PromRegex.MatchString() on a slow path only if it contains non-empty literal prefix
...
This should improve slow path speed for regexps without literal prefixes
2022-08-26 21:48:30 +03:00
Aliaksandr Valialkin
4c6916f32a
lib/promrelabel: use regexutil.PromRegex for regex matching in actions labeldrop
,labelkeep
,drop
and keep
...
This makes possible optimizing additional cases inside regexutil.PromRegex
2022-08-26 15:23:45 +03:00
Aliaksandr Valialkin
7afe8450fc
lib/promrelabel: optimize matching for commonly used regex patterns in if
option
...
The following regex patterns are optimized:
- literal string match, e.g. "foo"
- prefix match, e.g. "foo.*" and "foo.+"
- substring match, e.g. ".*foo.*" and ".+foo.+"
- alternate values match, e.g. "foo|bar|baz"
2022-08-26 14:53:06 +03:00