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app/vminsert: allow setting the maximum number of labels per time series via -maxLabelsPerTimeseries

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This commit is contained in:
Aliaksandr Valialkin 2019-08-23 08:45:11 +03:00
parent 8a126c2865
commit 8c03a8c4b4
2 changed files with 16 additions and 2 deletions
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4
app/vminsert/main.go
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@ -13,6 +13,7 @@ import (
"github.com/VictoriaMetrics/VictoriaMetrics/app/vminsert/opentsdbhttp"
"github.com/VictoriaMetrics/VictoriaMetrics/app/vminsert/prometheus"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/httpserver"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/storage"
"github.com/VictoriaMetrics/metrics"
)
@ -21,10 +22,13 @@ var (
opentsdbListenAddr = flag.String("opentsdbListenAddr", "", "TCP and UDP address to listen for OpentTSDB put messages. Usually :4242 must be set. Doesn't work if empty")
opentsdbHTTPListenAddr = flag.String("opentsdbHTTPListenAddr", "", "TCP address to listen for OpentTSDB HTTP put requests. Usually :4242 must be set. Doesn't work if empty")
maxInsertRequestSize = flag.Int("maxInsertRequestSize", 32*1024*1024, "The maximum size of a single insert request in bytes")
maxLabelsPerTimeseries = flag.Int("maxLabelsPerTimeseries", 30, "The maximum number of labels accepted per time series. Superflouos labels are dropped")
)
// Init initializes vminsert.
func Init() {
storage.SetMaxLabelsPerTimeseries(*maxLabelsPerTimeseries)
concurrencylimiter.Init()
if len(*graphiteListenAddr) > 0 {
go graphite.Serve(*graphiteListenAddr)

14
lib/storage/metric_name.go
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@ -9,6 +9,7 @@ import (
"github.com/VictoriaMetrics/VictoriaMetrics/lib/bytesutil"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/encoding"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/logger"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/prompb"
)
@ -392,9 +393,18 @@ const maxLabelNameLen = 256
const maxLabelValueLen = 16 * 1024
// The maximum number of labels per each timeseries.
var maxLabelsPerTimeseries = 30
// SetMaxLabelsPerTimeseries sets the limit on the number of labels
// per each time series.
//
// Superflouos lables are dropped.
const maxLabelsPerTimeseries = 30
// Superfouos labels are dropped.
func SetMaxLabelsPerTimeseries(maxLabels int) {
if maxLabels <= 0 {
logger.Panicf("BUG: maxLabels must be positive; got %d", maxLabels)
}
maxLabelsPerTimeseries = maxLabels
}
// MarshalMetricNameRaw marshals labels to dst and returns the result.
//