5 commits

Author	SHA1	Message	Date
Aliaksandr Valialkin	f38c9db74d	lib/promrelabel: there is no need in calling regex.HasPrefix() after the optimization at 17289ff481	2022-09-30 12:28:25 +03:00
Aliaksandr Valialkin	b4bb1477fe	lib/regexutil: cache MatchString results for unoptimized regexps ... This increases relabeling performance by 3x for unoptimized regexs	2022-09-30 12:28:25 +03:00
Aliaksandr Valialkin	cead9c1e67	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 21:48:09 +03:00
Aliaksandr Valialkin	da7697fda4	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 15:48:11 +03:00
Aliaksandr Valialkin	e1bd38fa97	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 14:55:13 +03:00