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app/vmctl: fixes opentsdb source metric tags

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Previously it was incorrectly used append for pre-allocated slice of labels.

This commit fixes slice append by allocating zero length slice with needed capacity.

---------

Co-authored-by: Nikolay <nik@victoriametrics.com>
This commit is contained in:
rusttech 2024-10-16 16:35:17 +08:00 committed by GitHub
parent e347d90531
commit 87910e4fa8
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2 changed files with 6 additions and 1 deletions
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2
app/vmctl/opentsdb.go
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@ -158,7 +158,7 @@ func (op *otsdbProcessor) do(s queryObj) error {
if len(data.Timestamps) < 1 || len(data.Values) < 1 {
return nil
}
labels := make([]vm.LabelPair, len(data.Tags))
labels := make([]vm.LabelPair, 0, len(data.Tags))
for k, v := range data.Tags {
labels = append(labels, vm.LabelPair{Name: k, Value: v})
}

5
docs/changelog/CHANGELOG.md
View file

@ -18,6 +18,9 @@ See also [LTS releases](https://docs.victoriametrics.com/lts-releases/).
## tip
* FEATURE: add Darwin binaries for [VictoriaMetrics cluster](https://docs.victoriametrics.com/cluster-victoriametrics/) to the release flow. The binaries will be available in the new release.
* FEATURE: [vmagent](https://docs.victoriametrics.com/vmagent/): allow using HTTP/2 client for Kubernetes service discovery if `-promscrape.kubernetes.useHTTP2Client` cmd-line flag is set. This could help to reduce the amount of opened connections to the Kubernetes API server. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/5971) for the details.
* FEATURE: [vmalert](https://docs.victoriametrics.com/vmalert/): `-rule` cmd-line flag now supports multi-document YAML files. This could be useful when rules are retrieved via HTTP URL where multiple rule files were merged together in one response. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/6753). Thanks to @Irene-123 for [the pull request](https://github.com/VictoriaMetrics/VictoriaMetrics/pull/6995).
@ -28,6 +31,8 @@ See also [LTS releases](https://docs.victoriametrics.com/lts-releases/).
* BUGFIX: [vmgateway](https://docs.victoriametrics.com/vmgateway/): fix possible panic during parsing of a token without `vm_access` claim. This issue was introduced in v1.104.0.
* BUGFIX: [vmui](https://docs.victoriametrics.com/#vmui): fix error messages rendering from overflowing the screen with long messages. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/7207).
* BUGFIX: [vmctl](https://docs.victoriametrics.com/vmctl/): properly add metrics tags for `opentsdb` migration source. Previously it could have empty values. See [this PR](https://github.com/VictoriaMetrics/VictoriaMetrics/pull/7161).
## [v1.104.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.104.0)