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docs: add multiple-remote-writes topology to vmalert (#2738)
Signed-off-by: hagen1778 <roman@victoriametrics.com>
This commit is contained in:
Roman Khavronenko
GitHub
parent
0f889497b5
commit
45c1e27937
@ -52,7 +52,8 @@ To start using `vmalert` you will need the following things:
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aggregating alerts, and sending notifications. Please note, notifier address also supports Consul and DNS Service Discovery via
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aggregating alerts, and sending notifications. Please note, notifier address also supports Consul and DNS Service Discovery via
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[config file](https://github.com/VictoriaMetrics/VictoriaMetrics/blob/master/app/vmalert/notifier/config.go).
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[config file](https://github.com/VictoriaMetrics/VictoriaMetrics/blob/master/app/vmalert/notifier/config.go).
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* remote write address [optional] - [remote write](https://prometheus.io/docs/prometheus/latest/storage/#remote-storage-integrations)
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* remote write address [optional] - [remote write](https://prometheus.io/docs/prometheus/latest/storage/#remote-storage-integrations)
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compatible storage to persist rules and alerts state info;
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compatible storage to persist rules and alerts state info. To persist results to multiple destinations use vmagent
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configured with multiple remote writes as a proxy;
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* remote read address [optional] - MetricsQL compatible datasource to restore alerts state from.
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* remote read address [optional] - MetricsQL compatible datasource to restore alerts state from.
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Then configure `vmalert` accordingly:
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Then configure `vmalert` accordingly:
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@ -424,6 +425,21 @@ Flags `-remoteRead.url` and `-notifier.url` are omitted since we assume only rec
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See also [downsampling docs](https://docs.victoriametrics.com/#downsampling).
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See also [downsampling docs](https://docs.victoriametrics.com/#downsampling).
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#### Multiple remote writes
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For persisting recording or alerting rule results `vmalert` requires `-remoteWrite.url` to be set.
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But this flag supports only one destination. To persist rule results to multiple destinations
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we recommend using [vmagent](https://docs.victoriametrics.com/vmagent.html) as fan-out proxy:
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<img alt="vmalert multiple remote write destinations" src="vmalert_multiple_rw.png">
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In this topology, `vmalert` is configured to persist rule results to `vmagent`. And `vmagent`
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is configured to fan-out received data to two or more destinations.
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Using `vmagent` as a proxy provides additional benefits such as
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[data persisting when storage is unreachable](https://docs.victoriametrics.com/vmagent.html#replication-and-high-availability),
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or time series modification via [relabeling](https://docs.victoriametrics.com/vmagent.html#relabeling).
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### Web
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### Web
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`vmalert` runs a web-server (`-httpListenAddr`) for serving metrics and alerts endpoints:
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`vmalert` runs a web-server (`-httpListenAddr`) for serving metrics and alerts endpoints:
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711
app/vmalert/vmalert_multiple_rw.excalidraw
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711
app/vmalert/vmalert_multiple_rw.excalidraw
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|
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|
||||||
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||||||
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|
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"locked": false,
|
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|
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"fontFamily": 3,
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"text": "fan-out data",
|
||||||
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"baseline": 16,
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"textAlign": "left",
|
||||||
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}
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||||||
BIN
app/vmalert/vmalert_multiple_rw.png
Normal file
BIN
app/vmalert/vmalert_multiple_rw.png
Normal file
Binary file not shown.
|
After Width: | Height: | Size: 80 KiB |
@ -56,7 +56,8 @@ To start using `vmalert` you will need the following things:
|
|||||||
aggregating alerts, and sending notifications. Please note, notifier address also supports Consul and DNS Service Discovery via
|
aggregating alerts, and sending notifications. Please note, notifier address also supports Consul and DNS Service Discovery via
|
||||||
[config file](https://github.com/VictoriaMetrics/VictoriaMetrics/blob/master/app/vmalert/notifier/config.go).
|
[config file](https://github.com/VictoriaMetrics/VictoriaMetrics/blob/master/app/vmalert/notifier/config.go).
|
||||||
* remote write address [optional] - [remote write](https://prometheus.io/docs/prometheus/latest/storage/#remote-storage-integrations)
|
* remote write address [optional] - [remote write](https://prometheus.io/docs/prometheus/latest/storage/#remote-storage-integrations)
|
||||||
compatible storage to persist rules and alerts state info;
|
compatible storage to persist rules and alerts state info. To persist results to multiple destinations use vmagent
|
||||||
|
configured with multiple remote writes as a proxy;
|
||||||
* remote read address [optional] - MetricsQL compatible datasource to restore alerts state from.
|
* remote read address [optional] - MetricsQL compatible datasource to restore alerts state from.
|
||||||
|
|
||||||
Then configure `vmalert` accordingly:
|
Then configure `vmalert` accordingly:
|
||||||
@ -428,6 +429,21 @@ Flags `-remoteRead.url` and `-notifier.url` are omitted since we assume only rec
|
|||||||
|
|
||||||
See also [downsampling docs](https://docs.victoriametrics.com/#downsampling).
|
See also [downsampling docs](https://docs.victoriametrics.com/#downsampling).
|
||||||
|
|
||||||
|
#### Multiple remote writes
|
||||||
|
|
||||||
|
For persisting recording or alerting rule results `vmalert` requires `-remoteWrite.url` to be set.
|
||||||
|
But this flag supports only one destination. To persist rule results to multiple destinations
|
||||||
|
we recommend using [vmagent](https://docs.victoriametrics.com/vmagent.html) as fan-out proxy:
|
||||||
|
|
||||||
|
<img alt="vmalert multiple remote write destinations" src="vmalert_multiple_rw.png">
|
||||||
|
|
||||||
|
In this topology, `vmalert` is configured to persist rule results to `vmagent`. And `vmagent`
|
||||||
|
is configured to fan-out received data to two or more destinations.
|
||||||
|
Using `vmagent` as a proxy provides additional benefits such as
|
||||||
|
[data persisting when storage is unreachable](https://docs.victoriametrics.com/vmagent.html#replication-and-high-availability),
|
||||||
|
or time series modification via [relabeling](https://docs.victoriametrics.com/vmagent.html#relabeling).
|
||||||
|
|
||||||
|
|
||||||
### Web
|
### Web
|
||||||
|
|
||||||
`vmalert` runs a web-server (`-httpListenAddr`) for serving metrics and alerts endpoints:
|
`vmalert` runs a web-server (`-httpListenAddr`) for serving metrics and alerts endpoints:
|
||||||
|
|||||||
BIN
docs/vmalert_multiple_rw.png
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BIN
docs/vmalert_multiple_rw.png
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