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app/vminsert/influx: add -influxSkipSingleField flag for using {measurement} instead of {measurement}{separator}{field_name} for Influx lines with a single field

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Fixes https://github.com/VictoriaMetrics/VictoriaMetrics/issues/66
This commit is contained in:
Aliaksandr Valialkin 2019-06-14 10:51:57 +03:00
parent 5f0b3589b2
commit 3b16d49514
1 changed files with 8 additions and 2 deletions
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10
app/vminsert/influx/request_handler.go
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@ -22,6 +22,7 @@ import (
var (
measurementFieldSeparator = flag.String("influxMeasurementFieldSeparator", ".", "Separator for `{measurement}{separator}{field_name}` metric name when inserted via Influx line protocol")
skipSingleField = flag.Bool("influxSkipSingleField", false, "Uses `{measurement}` instead of `{measurement}{separator}{field_name}` for metic name if Influx line contains only a single field")
)
var rowsInserted = tenantmetrics.NewCounterMap(`vm_rows_inserted_total{type="influx"}`)
@ -94,13 +95,18 @@ func (ctx *pushCtx) InsertRows(at *auth.Token, db string) error {
ic.MetricNameBuf = storage.MarshalMetricNameRaw(ic.MetricNameBuf[:0], at.AccountID, at.ProjectID, ic.Labels)
metricNameBufLen := len(ic.MetricNameBuf)
ctx.metricGroupBuf = append(ctx.metricGroupBuf[:0], r.Measurement...)
ctx.metricGroupBuf = append(ctx.metricGroupBuf, *measurementFieldSeparator...)
skipFieldKey := len(r.Fields) == 1 && *skipSingleField
if !skipFieldKey {
ctx.metricGroupBuf = append(ctx.metricGroupBuf, *measurementFieldSeparator...)
}
metricGroupPrefixLen := len(ctx.metricGroupBuf)
ic.AddLabel("", "placeholder")
placeholderLabel := &ic.Labels[len(ic.Labels)-1]
for j := range r.Fields {
f := &r.Fields[j]
ctx.metricGroupBuf = append(ctx.metricGroupBuf[:metricGroupPrefixLen], f.Key...)
if !skipFieldKey {
ctx.metricGroupBuf = append(ctx.metricGroupBuf[:metricGroupPrefixLen], f.Key...)
}
metricGroup := bytesutil.ToUnsafeString(ctx.metricGroupBuf)
ic.Labels = ic.Labels[:len(ic.Labels)-1]
ic.AddLabel("", metricGroup)