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Callum Styan 5bb7f00d00 change labelset comparison in promql engine to avoid false positive during detection of duplicates (#7058) ... * Use go1.14 new hash/maphash to hash both RHS and LHS instead of XOR'ing which has been resulting in hash collisions. Signed-off-by: Callum Styan <callumstyan@gmail.com> * Refactor engine labelset signature generation, just use labels.Labels instead of hashes. Signed-off-by: Callum Styan <callumstyan@gmail.com> * Address review comments; function comments + store result of lhs.String+rhs.String as key. Signed-off-by: Callum Styan <callumstyan@gmail.com> * Replace all signatureFunc usage with signatureFuncString. Signed-off-by: Callum Styan <callumstyan@gmail.com> * Make optimizations to labels String function and generation of rhs+lhs as string in resultMetric. Signed-off-by: Callum Styan <callumstyan@gmail.com> * Use separate string functions that don't use strconv just for engine maps. Signed-off-by: Callum Styan <callumstyan@gmail.com> * Use a byte invalid separator instead of quoting and have a buffer attached to EvalNodeHelper instead of using a global pool in the labels package. Signed-off-by: Callum Styan <callumstyan@gmail.com> * Address review comments. Signed-off-by: Callum Styan <callumstyan@gmail.com> * Address more review comments, labels has a function that now builds a byte slice without turning it into a string. Signed-off-by: Callum Styan <callumstyan@gmail.com> * Use two different non-ascii hex codes as byte separators between labels and between sets of labels when building bytes of a Labels struct. Signed-off-by: Callum Styan <callumstyan@gmail.com> * We only need the 2nd byte invalid sep. at the beginning of a labels.Bytes Signed-off-by: Callum Styan <callumstyan@gmail.com>		5 years ago
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labels.go	change labelset comparison in promql engine to avoid false positive during detection of duplicates (#7058)	5 years ago
labels_test.go	Add some unit tests for funcs in pkg/labels/labels.go (#7116)	5 years ago
matcher.go	fix matcher for regex (#6540)	5 years ago
matcher_test.go	Add unit test for Inverse in pkg/labels/matcher.go (#6586)	5 years ago
test_utils.go	Port tsdb to use pkg/labels. (#6326)	5 years ago