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app/vmselect/promql: remove zero timeseries from prometheus_buckets output

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This commit is contained in:
Aliaksandr Valialkin 2019-11-25 18:55:12 +02:00
parent 8811bec14e
commit 28cc4c09b5
1 changed files with 12 additions and 0 deletions
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12
app/vmselect/promql/transform.go
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@ -343,12 +343,24 @@ func vmrangeBucketsToLE(tss []*timeseries) []*timeseries {
ts.MetricName.AddTag("le", leStr) ts.MetricName.AddTag("le", leStr)
return &ts return &ts
} }
isZeroTS := func(ts *timeseries) bool {
for _, v := range ts.Values {
if v > 0 {
return false
}
}
return true
}
for _, xss := range m { for _, xss := range m {
sort.Slice(xss, func(i, j int) bool { return xss[i].end < xss[j].end }) sort.Slice(xss, func(i, j int) bool { return xss[i].end < xss[j].end })
xssNew := make([]x, 0, len(xss)+2) xssNew := make([]x, 0, len(xss)+2)
var xsPrev x var xsPrev x
for _, xs := range xss { for _, xs := range xss {
ts := xs.ts ts := xs.ts
if isZeroTS(ts) {
// Skip time series with zeros. They are substituted by xssNew below.
continue
}
if xs.start != xsPrev.end { if xs.start != xsPrev.end {
xssNew = append(xssNew, x{ xssNew = append(xssNew, x{
endStr: xs.startStr, endStr: xs.startStr,