mirror of
https://github.com/VictoriaMetrics/VictoriaMetrics.git
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76e0bcdf45
This commit adds support for Prometheus Native Histogram https://prometheus.io/docs/specs/native_histograms data ingestion via Prometheus RemoteWrite format. It converts Native Histograms into VictoriaMetrics histogram format. fixes https://github.com/VictoriaMetrics/VictoriaMetrics/issues/10743
37 lines
770 B
Go
37 lines
770 B
Go
package prompb
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import (
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"strconv"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/bytesutil"
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)
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type fmtBuffer struct {
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buf []byte
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}
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func (fb *fmtBuffer) reset() {
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fb.buf = fb.buf[:0]
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}
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func (fb *fmtBuffer) formatName(prefix, suffix string) string {
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if prefix == "" {
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// There is no prefix, so just return the suffix as is.
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return suffix
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}
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n := len(fb.buf)
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fb.buf = append(fb.buf, prefix...)
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fb.buf = append(fb.buf, suffix...)
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return bytesutil.ToUnsafeString(fb.buf[n:])
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}
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func (fb *fmtBuffer) formatVmrange(start, end float64) string {
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n := len(fb.buf)
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fb.buf = strconv.AppendFloat(fb.buf, start, 'e', 3, 64)
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fb.buf = append(fb.buf, "..."...)
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fb.buf = strconv.AppendFloat(fb.buf, end, 'e', 3, 64)
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return bytesutil.ToUnsafeString(fb.buf[n:])
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}
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