Bartlomiej Plotka 9981b3f3ee labels: Reduce allocated memory and latency of Hash method; Added tests. (#8025) ... * labels: Reduce allocated memory by Hash method in edge cases; Added tests. Old: /tmp/___BenchmarkLabels_Hash_in_github_com_prometheus_prometheus_pkg_labels -test.v -test.bench ^\QBenchmarkLabels_Hash\E$ -test.run ^$ goos: linux goarch: amd64 pkg: github.com/prometheus/prometheus/pkg/labels BenchmarkLabels_Hash BenchmarkLabels_Hash/typical_labels_under_1KB BenchmarkLabels_Hash/typical_labels_under_1KB-12 5366161 259 ns/op 0 B/op 0 allocs/op BenchmarkLabels_Hash/bigger_labels_over_1KB BenchmarkLabels_Hash/bigger_labels_over_1KB-12 1700371 767 ns/op 2048 B/op 1 allocs/op BenchmarkLabels_Hash/extremely_large_label_value_10MB BenchmarkLabels_Hash/extremely_large_label_value_10MB-12 356 3743115 ns/op 10523442 B/op 1 allocs/op PASS New: /tmp/___BenchmarkLabels_Hash_in_github_com_prometheus_prometheus_pkg_labels -test.v -test.bench ^\QBenchmarkLabels_Hash\E$ -test.run ^$ goos: linux goarch: amd64 pkg: github.com/prometheus/prometheus/pkg/labels BenchmarkLabels_Hash BenchmarkLabels_Hash/typical_labels_under_1KB BenchmarkLabels_Hash/typical_labels_under_1KB-12 4758883 259 ns/op 0 B/op 0 allocs/op BenchmarkLabels_Hash/bigger_labels_over_1KB BenchmarkLabels_Hash/bigger_labels_over_1KB-12 3324492 357 ns/op 80 B/op 1 allocs/op BenchmarkLabels_Hash/extremely_large_label_value_10MB BenchmarkLabels_Hash/extremely_large_label_value_10MB-12 1087 1083949 ns/op 9734 B/op 1 allocs/op PASS Process finished with exit code 0 Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> * Addressed Kemal's comment. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> * Moved to v2 xxhash for improvements. New: /tmp/___BenchmarkLabels_Hash_in_github_com_prometheus_prometheus_pkg_labels -test.v -test.bench ^\QBenchmarkLabels_Hash\E$ -test.run ^$ -test.benchtime 10s goos: linux goarch: amd64 pkg: github.com/prometheus/prometheus/pkg/labels BenchmarkLabels_Hash BenchmarkLabels_Hash/typical_labels_under_1KB BenchmarkLabels_Hash/typical_labels_under_1KB-12 53447894 221 ns/op 0 B/op 0 allocs/op BenchmarkLabels_Hash/bigger_labels_over_1KB BenchmarkLabels_Hash/bigger_labels_over_1KB-12 42341754 326 ns/op 0 B/op 0 allocs/op BenchmarkLabels_Hash/extremely_large_label_value_10MB BenchmarkLabels_Hash/extremely_large_label_value_10MB-12 10000 1248546 ns/op 0 B/op 0 allocs/op PASS Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> * Removed old xxhash package. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> * Pined minor version. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com>		2020-10-15 11:31:28 +01:00
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v2	Update vendors	2020-02-25 10:33:41 +01:00