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Introduce average resampler support

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Fixes #526

Entire-Checkpoint: 893a1de325b5
This commit is contained in:
Jan Eitzinger
2026-03-19 21:16:48 +01:00
parent 10b4fa5a06
commit c0d2d65f96
17 changed files with 239 additions and 73 deletions
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8
pkg/metricstore/metricstore.go
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@@ -679,7 +679,7 @@ func (m *MemoryStore) WriteToLevel(l *Level, selector []string, ts int64, metric
// If the level does not hold the metric itself, the data will be aggregated recursively from the children.
// The second and third return value are the actual from/to for the data. Those can be different from
// the range asked for if no data was available.
func (m *MemoryStore) Read(selector util.Selector, metric string, from, to, resolution int64) ([]schema.Float, int64, int64, int64, error) {
func (m *MemoryStore) Read(selector util.Selector, metric string, from, to, resolution int64, resampleAlgo string) ([]schema.Float, int64, int64, int64, error) {
if from > to {
return nil, 0, 0, 0, errors.New("[METRICSTORE]> invalid time range")
}
@@ -737,7 +737,11 @@ func (m *MemoryStore) Read(selector util.Selector, metric string, from, to, reso
}
}
data, resolution, err = resampler.LargestTriangleThreeBucket(data, minfo.Frequency, resolution)
resampleFn, rfErr := resampler.GetResampler(resampleAlgo)
if rfErr != nil {
return nil, 0, 0, 0, rfErr
}
data, resolution, err = resampleFn(data, minfo.Frequency, resolution)
if err != nil {
return nil, 0, 0, 0, err
}