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update wiki pages

Vika 2021-07-02 07:49:19 +00:00
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Cluster-VictoriaMetrics.md

@ -138,7 +138,7 @@ A minimal cluster must contain the following nodes:
It is recommended to run at least two nodes for each service It is recommended to run at least two nodes for each service
for high availability purposes. for high availability purposes.
An http load balancer such as [vmauth](https://docs.victoriametrics.com/vmauth.html) or `nginx` must be put in front of `vminsert` and `vmselect` nodes: An http load balancer such as [vmauth](https://docs.victoriametrics.com/vmauth.html) or `nginx` must be put in front of `vminsert` and `vmselect` nodes. It must contain the following routing configs according to [the url format](#url-format):
- requests starting with `/insert` must be routed to port `8480` on `vminsert` nodes. - requests starting with `/insert` must be routed to port `8480` on `vminsert` nodes.
- requests starting with `/select` must be routed to port `8481` on `vmselect` nodes. - requests starting with `/select` must be routed to port `8481` on `vmselect` nodes.
@ -146,6 +146,18 @@ Ports may be altered by setting `-httpListenAddr` on the corresponding nodes.
It is recommended setting up [monitoring](#monitoring) for the cluster. It is recommended setting up [monitoring](#monitoring) for the cluster.
The following tools can siplify cluster setup:
* [An example docker-compose config for VictoriaMetrics cluster](https://github.com/VictoriaMetrics/VictoriaMetrics/blob/cluster/deployment/docker/docker-compose.yml)
* [Helm charts for VictoriaMetrics](https://github.com/VictoriaMetrics/helm-charts)
* [Kubernetes operator for VictoriaMetrics](https://github.com/VictoriaMetrics/operator)
It is possible manualy setting up a toy cluster on a single host. In this case every cluster component - `vminsert`, `vmselect` and `vmstorage` - must have distinct values for `-httpListenAddr` command-line flag. This flag specifies http address for accepting http requests for [monitoring](#monitoring) and [profiling](#profiling). `vmstorage` node must have distinct values for the following additional command-line flags in order to prevent resource usage clash:
* `-storageDataPath` - every `vmstorage` node must have a dedicated data storage.
* `-vminsertAddr` - every `vmstorage` node must listen for a distinct tcp address for accepting data from `vminsert` nodes.
* `-vmselectAddr` - every `vmstorage` node must listen for a distinct tcp address for accepting requests from `vmselect` nodes.
### Environment variables ### Environment variables
Each flag values can be set thru environment variables by following these rules: Each flag values can be set thru environment variables by following these rules: