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https://github.com/VictoriaMetrics/VictoriaMetrics.git
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45c0e4bb31
Adds `eval_offset` attribute for Groups. If specified, Group will be evaluated at the exact time offset on the range of [0...evaluationInterval]. The setting might be useful for cron-like rules which must be evaluated at specific moments of time. https://github.com/VictoriaMetrics/VictoriaMetrics/issues/3409 Signed-off-by: Haley Wang <pipilong.25@gmail.com> Co-authored-by: hagen1778 <roman@victoriametrics.com>
92 lines
2.1 KiB
Go
92 lines
2.1 KiB
Go
package datasource
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import (
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"encoding/json"
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"testing"
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"time"
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)
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func BenchmarkMetrics(b *testing.B) {
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payload := []byte(`[{"metric":{"__name__":"vm_rows"},"value":[1583786142,"13763"]},{"metric":{"__name__":"vm_requests", "foo":"bar", "baz": "qux"},"value":[1583786140,"2000"]}]`)
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var pi promInstant
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if err := json.Unmarshal(payload, &pi.Result); err != nil {
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b.Fatalf(err.Error())
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}
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b.Run("Instant", func(b *testing.B) {
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for i := 0; i < b.N; i++ {
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_, _ = pi.metrics()
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}
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})
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}
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func TestGetPrometheusReqTimestamp(t *testing.T) {
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offset := 30 * time.Minute
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testCases := []struct {
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name string
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s *VMStorage
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queryTimeAlignment bool
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originTS, expTS string
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}{
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{
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"with eval_offset, find previous offset point",
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&VMStorage{
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evaluationOffset: &offset,
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evaluationInterval: time.Hour,
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lookBack: 1 * time.Minute,
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},
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false,
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"2023-08-28T11:11:00+00:00",
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"2023-08-28T10:30:00+00:00",
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},
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{
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"with eval_offset",
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&VMStorage{
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evaluationOffset: &offset,
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evaluationInterval: time.Hour,
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},
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true,
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"2023-08-28T11:41:00+00:00",
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"2023-08-28T11:30:00+00:00",
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},
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{
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"with query align",
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&VMStorage{
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evaluationInterval: time.Hour,
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},
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true,
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"2023-08-28T11:11:00+00:00",
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"2023-08-28T11:00:00+00:00",
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},
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{
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"with query align and lookback",
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&VMStorage{
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evaluationInterval: time.Hour,
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lookBack: 1 * time.Minute,
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},
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true,
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"2023-08-28T11:11:00+00:00",
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"2023-08-28T10:59:00+00:00",
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},
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{
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"without query align",
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&VMStorage{
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evaluationInterval: time.Hour,
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},
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false,
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"2023-08-28T11:11:00+00:00",
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"2023-08-28T11:11:00+00:00",
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},
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}
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for _, tc := range testCases {
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oldAlignPara := *queryTimeAlignment
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*queryTimeAlignment = tc.queryTimeAlignment
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originT, _ := time.Parse(time.RFC3339, tc.originTS)
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expT, _ := time.Parse(time.RFC3339, tc.expTS)
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gotTS := tc.s.adjustReqTimestamp(originT)
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if !gotTS.Equal(expT) {
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t.Fatalf("get wrong prometheus request timestamp, expect %s, got %s", expT, gotTS)
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}
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*queryTimeAlignment = oldAlignPara
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}
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}
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