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app/vmselect: skip infinite values when calculating smooth_exponential

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Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/757
This commit is contained in:
Aliaksandr Valialkin 2020-09-11 11:29:55 +03:00
parent 8a8b5a73d3
commit 204ec415b4
1 changed files with 7 additions and 1 deletions
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8
app/vmselect/promql/transform.go
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@ -1030,6 +1030,12 @@ func transformSmoothExponential(tfa *transformFuncArg) ([]*timeseries, error) {
rvs := args[0] rvs := args[0]
for _, ts := range rvs { for _, ts := range rvs {
values := skipLeadingNaNs(ts.Values) values := skipLeadingNaNs(ts.Values)
for i, v := range values {
if !math.IsInf(v, 0) {
values = values[i:]
break
}
}
if len(values) == 0 { if len(values) == 0 {
continue continue
} }
@ -1037,7 +1043,7 @@ func transformSmoothExponential(tfa *transformFuncArg) ([]*timeseries, error) {
values = values[1:] values = values[1:]
sfsX := sfs[len(ts.Values)-len(values):] sfsX := sfs[len(ts.Values)-len(values):]
for i, v := range values { for i, v := range values {
if math.IsNaN(v) { if math.IsNaN(v) || math.IsInf(v, 0) {
continue continue
} }
sf := sfsX[i] sf := sfsX[i]