prometheus

Commit Graph

Author	SHA1	Message	Date
Bryan Boreham	5571c7dc98	FastRegexMatcher: use stack memory for lowercase copy of string Up to 32-byte values this saves garbage, runs faster. For prefixes, only `toLower` the part we need for the map lookup. Split toNormalisedLower into fast and slow paths, to avoid a penalty for the `copy` call in the case where no allocations are done. Signed-off-by: Bryan Boreham <bjboreham@gmail.com>	4 weeks ago
Mario Fernandez	5814920601	Fix: optimize .* regexp performance Shortcut for `.*` matches newlines as well. Add preamble change ^(?s: Add test dotAll flag por al regex Add and fix regex tests Signed-off-by: Mario Fernandez <mariofer@redhat.com>	2 months ago
Bryan Boreham	82a8c6abe2	[ENHANCEMENT] Optimize regexps with multiple prefixes (#13843 ) For example `foo.\|bar.\|baz.`. Instead of checking each one in turn, we build a map of prefixes, then check the smaller set that could match the string supplied. Signed-off-by: Bryan Boreham <bjboreham@gmail.com> Improve testing and readability Address review comments on #13843 Signed-off-by: Marco Pracucci <marco@pracucci.com>	5 months ago
Marco Pracucci	ec31acaf02	FastRegexMatcher: small optimization for the literal prefix case Signed-off-by: Marco Pracucci <marco@pracucci.com>	5 months ago
Oleg Zaytsev	4f78cc809c	Refactor `toNormalisedLower`: shorter and slightly faster. (#14299 ) Refactor toNormalisedLower: shorter and slightly faster Signed-off-by: Oleg Zaytsev <mail@olegzaytsev.com>	5 months ago
Ranveer Avhad	39902ba694	[BUGFIX] FastRegexpMatcher: do Unicode normalization as part of case-insensitive comparison (#14170 ) * Converted string to standarized form * Added golang.org/x/text in Go dependencies * Added test cases for FastRegexMatcher * Added benchmark for toNormalizedLower Signed-off-by: RA <ranveeravhad777@gmail.com>	6 months ago
Marco Pracucci	a0807733be	Improved tests Signed-off-by: Marco Pracucci <marco@pracucci.com>	6 months ago
Marco Pracucci	78fdd2188d	Improve contains check done by FastRegexMatcher Signed-off-by: Marco Pracucci <marco@pracucci.com>	6 months ago
Oleg Zaytsev	8b4c9459a2	Check utf8.RuneError result Signed-off-by: Oleg Zaytsev <mail@olegzaytsev.com>	7 months ago
Oleg Zaytsev	dbe88fae22	Add invalid utf8 test cases to regexp Signed-off-by: Oleg Zaytsev <mail@olegzaytsev.com>	7 months ago
Oleg Zaytsev	fdfc6d4725	Benchmark zeroOrOneCharacterStringMatcher.Matches This adds some more test cases for unicode values, and also a benchmark for zeroOrOneCharacterStringMatcher.Matches() Signed-off-by: Oleg Zaytsev <mail@olegzaytsev.com>	7 months ago
Oleg Zaytsev	2524a91591	Fix FastRegexMatcher matching multibyte runes with . (#14059 ) When `zeroOrOneCharacterStringMatcher` wach checking the input string, it assumed that if there are more than one bytes, then there are more than one runes, but that's not necessarily true. Signed-off-by: Oleg Zaytsev <mail@olegzaytsev.com>	7 months ago
Bryan Boreham	7c28521451	[TESTS] Truncate some long test names, for readability The strings produced by these tests can run to thousands of characters, which makes test logs difficult to read. Signed-off-by: Bryan Boreham <bjboreham@gmail.com>	8 months ago
carehabit	a672662073	all: fix some typos (#13863 ) Signed-off-by: carehabit <shenyuting@outlook.com>	8 months ago
Marco Pracucci	bfec57bd2e	Further optimise FastRegexMatcher Signed-off-by: Marco Pracucci <marco@pracucci.com>	10 months ago
Bryan Boreham	579331446a	Allow downstream projects to use faster regexp (#10251 ) * Add benchmark for FastRegexMatcher Signed-off-by: Bryan Boreham <bjboreham@gmail.com> * Use modified regexp package with optimisations See https://github.com/grafana/regexp/tree/speedup#readme Includes the following changes proposed upstream: * [regexp: allow patterns with no alternates to be one-pass](https://go-review.googlesource.com/c/go/+/353711) * [regexp: speed up onepass prefix check](https://go-review.googlesource.com/c/go/+/354909) * [regexp: handle prefix string with fold-case](https://go-review.googlesource.com/c/go/+/358756) * [regexp: avoid copying each instruction executed](https://go-review.googlesource.com/c/go/+/355789) * [regexp: allow prefix string anchored at beginning](https://go-review.googlesource.com/c/go/+/377294) Signed-off-by: Bryan Boreham <bjboreham@gmail.com> * Use regexp code identical to upstream Go Change `grafana/regexp` import to use `main` branch. This means Prometheus is not using the proposed optimisations, but downstream users of Prometheus code are able to `replace` the library with the `speedup` branch which does. Signed-off-by: Bryan Boreham <bjboreham@gmail.com>	3 years ago
beorn7	c954cd9d1d	Move packages out of deprecated pkg directory This creates a new `model` directory and moves all data-model related packages over there: exemplar labels relabel rulefmt textparse timestamp value All the others are more or less utilities and have been moved to `util`: gate logging modetimevfs pool runtime Signed-off-by: beorn7 <beorn@grafana.com>	3 years ago

17 Commits (101b1c307f2b80b142c38f7cebcc3db50084ed8f)