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docs/CHANGELOG.md: link to the bug related to improper handling of maxSeries limit passed from vmselect to vmstorage

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Aliaksandr Valialkin 2022-04-12 15:53:37 +03:00
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docs/CHANGELOG.md
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@ -20,7 +20,7 @@ The following tip changes can be tested by building VictoriaMetrics components f
* FEATURE: [vmalert](https://docs.victoriametrics.com/vmalert.html): add support for `alert_relabel_configs` option at `-notifier.config`. This option allows configuring relabeling rules for alerts before sending them to configured notifiers. See [these docs](https://docs.victoriametrics.com/vmalert.html#notifier-configuration-file) for details.
* FEATURE: [vmagent](https://docs.victoriametrics.com/vmalert.html): allow passing StatefulSet pod names to `-promscrape.cluster.memberNum` command-line flag. In this case the member number is automatically extracted from the pod name, which must end with the number in the range `0 ... promscrape.cluster.membersCount-1`. For example, `vmagent-0`, `vmagent-1`, etc. See [this feature request](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/2359) and [these docs](https://docs.victoriametrics.com/vmagent.html#scraping-big-number-of-targets).
* BUGFIX: [VictoriaMetrics cluster](https://docs.victoriametrics.com/Cluster-VictoriaMetrics.html): properly propagate limits at `-search.max*` command-line flags from `vminsert` to `vmstorage`. The limits are `-search.maxUniqueTimeseries`, `-search.maxSeries`, `-search.maxFederateSeries`, `-search.maxExportSeries`, `-search.maxGraphiteSeries` and `-search.maxTSDBStatusSeries`. They weren't propagated to `vmstorage` because of the bug. These limits were introduced in [v1.76.0](https://docs.victoriametrics.com/CHANGELOG.html#v1760).
* BUGFIX: [VictoriaMetrics cluster](https://docs.victoriametrics.com/Cluster-VictoriaMetrics.html): properly propagate limits at `-search.max*` command-line flags from `vminsert` to `vmstorage`. The limits are `-search.maxUniqueTimeseries`, `-search.maxSeries`, `-search.maxFederateSeries`, `-search.maxExportSeries`, `-search.maxGraphiteSeries` and `-search.maxTSDBStatusSeries`. They weren't propagated to `vmstorage` because of the bug. These limits were introduced in [v1.76.0](https://docs.victoriametrics.com/CHANGELOG.html#v1760). See [this bug](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/2450).
* BUGFIX: fix goroutine leak and possible deadlock when importing invalid data via [native binary format](https://docs.victoriametrics.com/#how-to-import-data-in-native-format). See [this pull request](https://github.com/VictoriaMetrics/VictoriaMetrics/pull/2423).
* BUGFIX: [Graphite Render API](https://docs.victoriametrics.com/#graphite-render-api-usage): properly calculate [hitCount](https://graphite.readthedocs.io/en/latest/functions.html#graphite.render.functions.hitcount) function. Previously it could return empty results if there were no original samples in some parts of the selected time range.
* BUGFIX: [MetricsQL](https://docs.victoriametrics.com/MetricsQL.html): allow overriding built-in function names inside [WITH templates](https://play.victoriametrics.com/promql/expand-with-exprs). For example, `WITH (sum(a,b) = a + b + 1) sum(x,y)` now expands into `x + y + 1`. Previously such a query would fail with `cannot use reserved name` error. See [this bugreport](https://github.com/VictoriaMetrics/metricsql/issues/5).