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app/vmagent/remotewrite: send data to remote storage systems in parallel

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This should improve data ingestion speed many `-remoteWrite.url` options are configured
This commit is contained in:
Aliaksandr Valialkin 2021-11-04 15:00:51 +02:00
parent 08f487e7e8
commit 5f13ba8631
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GPG Key ID: A72BEC6CD3D0DED1
2 changed files with 19 additions and 5 deletions
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23
app/vmagent/remotewrite/remotewrite.go
View File

@ -301,11 +301,7 @@ func PushWithAuthToken(at *auth.Token, wr *prompbmarshal.WriteRequest) {
}
sortLabelsIfNeeded(tssBlock)
tssBlock = limitSeriesCardinality(tssBlock)
if len(tssBlock) > 0 {
for _, rwctx := range rwctxs {
rwctx.Push(tssBlock)
}
}
pushBlockToRemoteStorages(rwctxs, tssBlock)
if rctx != nil {
rctx.reset()
}
@ -315,6 +311,23 @@ func PushWithAuthToken(at *auth.Token, wr *prompbmarshal.WriteRequest) {
}
}
func pushBlockToRemoteStorages(rwctxs []*remoteWriteCtx, tssBlock []prompbmarshal.TimeSeries) {
if len(tssBlock) == 0 {
// Nothing to push
return
}
// Push block to remote storages in parallel in order to reduce the time needed for sending the data to multiple remote storage systems.
var wg sync.WaitGroup
for _, rwctx := range rwctxs {
wg.Add(1)
go func() {
defer wg.Done()
rwctx.Push(tssBlock)
}()
wg.Wait()
}
}
// sortLabelsIfNeeded sorts labels if -sortLabels command-line flag is set.
func sortLabelsIfNeeded(tss []prompbmarshal.TimeSeries) {
if !*sortLabels {

1
docs/CHANGELOG.md
View File

@ -11,6 +11,7 @@ sort: 15
* FEATURE: automatically detect timestamp precision (ns, us, ms or s) for the data ingested into VictoriaMetrics via [InfluxDB line protocol](https://docs.victoriametrics.com/#how-to-send-data-from-influxdb-compatible-agents-such-as-telegraf).
* FEATURE: vmagent: add ability to protect `/config` page with auth key via `-configAuthKey` command-line flag. This page may contain sensitive information such as passwords, so it may be good to restrict access to this page. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1764).
* FEATURE: vmagent: add `-promscrape.maxResponseHeadersSize` command-line flag for tuning the maximum HTTP response headers size for Prometheus scrape targets.
* FEATURE: vmagent: send data to multiple configured remote storage systems in parallel (e.g. when multiple `-remoteWrite.url` flag values are specified). This should improve data ingestion speed.
* FEATURE: add [label_graphite_group](https://docs.victoriametrics.com/MetricsQL.html#label_graphite_group) function for extracting the given groups from Graphite metric names.
* FEATURE: add [limit_offset](https://docs.victoriametrics.com/MetricsQL.html#limit_offset) function, which can be used for implementing simple paging over big number of time series. See [this feature request](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1778).