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36 lines
3.2 KiB
Markdown
36 lines
3.2 KiB
Markdown
# tip
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# [v1.42.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.42.0)
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* FEATURE: use all the available CPU cores when accepting data via a single TCP connection
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for [all the supported protocols](https://victoriametrics.github.io/#how-to-import-time-series-data).
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Previously data ingested via a single TCP connection could use only a single CPU core. This could limit data ingestion performance.
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The main benefit of this feature is that data can be imported at max speed via a single connection - there is no need to open multiple concurrent
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connections to VictoriaMetrics or [vmagent](https://victoriametrics.github.io/vmagent.html) in order to achieve the maximum data ingestion speed.
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* FEATURE: cluster: improve performance for data ingestion path from `vminsert` to `vmstorage` nodes. The maximum data ingestion performance
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for a single connection between `vminsert` and `vmstorage` node scales with the number of available CPU cores on `vmstorage` side.
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This should help with https://github.com/VictoriaMetrics/VictoriaMetrics/issues/791 .
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* FEATURE: add ability to export / import data in native format via `/api/v1/export/native` and `/api/v1/import/native`.
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This is the most optimized approach for data migration between VictoriaMetrics instances. Both single-node and cluster instances are supported.
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See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/787#issuecomment-700632551 .
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* FEATURE: add `reduce_mem_usage` query option to `/api/v1/export` in order to reduce memory usage during data export / import.
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See [these docs](https://victoriametrics.github.io/#how-to-export-data-in-json-line-format) for details.
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* FEATURE: improve performance for `/api/v1/series` handler when it returns big number of time series.
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* FEATURE: add `vm_merge_need_free_disk_space` metric, which can be used for estimating the number of deferred background data merges due to the lack of free disk space.
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See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/686 .
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* FEATURE: add OpenBSD support. See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/785 .
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* BUGFIX: properly apply `-search.maxStalenessInterval` command-line flag value. See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/784 .
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* BUGFIX: fix displaying data in Grafana tables. See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/720 .
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* BUGFIX: do not adjust the number of detected CPU cores found at `/sys/devices/system/cpu/online`.
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The adjustement was increasing the resulting GOMAXPROC by 1, which looked confusing to users.
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See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/685#issuecomment-698595309 .
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* BUGFIX: vmagent: do not show `-remoteWrite.url` in initial logs if `-remoteWrite.showURL` isn't set. See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/773 .
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* BUGFIX: properly handle case when [/metrics/find](https://victoriametrics.github.io/#graphite-metrics-api-usage) finds both a leaf and a node for the given `query=prefix.*`.
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In this case only the node must be returned with stripped dot in the end of id as carbonapi does.
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# Previous releases
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See [releases page](https://github.com/VictoriaMetrics/VictoriaMetrics/releases).
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