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Prometheus: Preallocate data for Prometheus backend response parsing (#17490)

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This commit is contained in:
Oleg Kovalov
2019-06-10 08:12:46 +02:00
committed by Carl Bergquist
parent 4ddb860727
commit 6a76a92aff
1 changed files with 3 additions and 2 deletions
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5
pkg/tsdb/prometheus/prometheus.go
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@ -199,8 +199,9 @@ func parseResponse(value model.Value, query *PrometheusQuery) (*tsdb.QueryResult
for _, v := range data { for _, v := range data {
series := tsdb.TimeSeries{ series := tsdb.TimeSeries{
Name: formatLegend(v.Metric, query), Name: formatLegend(v.Metric, query),
Tags: map[string]string{}, Tags: make(map[string]string, len(v.Metric)),
Points: make([]tsdb.TimePoint, 0, len(v.Values)),
} }
for k, v := range v.Metric { for k, v := range v.Metric {