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docs/CHANGELOG.md: document the bugfix at a50120a212

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Aliaksandr Valialkin 2022-12-13 09:36:24 -08:00
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@ -20,6 +20,7 @@ The following tip changes can be tested by building VictoriaMetrics components f
* BUGFIX: [DataDog protocol parser](https://docs.victoriametrics.com/#how-to-send-data-from-datadog-agent): do not re-use `host` and `device` fields from the previously parsed messages if these fields are missing in the currently parsed message. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/3432).
* BUGFIX: reduce CPU usage when the regex-based relabeling rules are applied to more than 100K unique Graphite metrics. See [this issue](https://docs.victoriametrics.com/CHANGELOG.html#v1820). The issue was introduced in [v1.82.0](https://docs.victoriametrics.com/CHANGELOG.html#v1820).
* BUGFIX: do not block [merges](https://docs.victoriametrics.com/#storage) of small parts by merges of big parts on hosts with small number of CPU cores. This issue could result in the increasing number of `storage/small` parts while big merge is in progress. This, in turn, could result in increased CPU usage and memory usage during querying, since queries need to inspect bigger number of small parts. The issue has been introduced in [v1.85.0](https://docs.victoriametrics.com/CHANGELOG.html#v1850).
* BUGFIX: [vmbackup](https://docs.victoriametrics.com/vmbackup.html): fix the `The source request body for synchronous copy is too large and exceeds the maximum permissible limit (256MB)` error when performing backups to Azure blob storage. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/3477).
## [v1.85.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.85.0)