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update wiki pages
Vika
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@ -19,6 +19,7 @@ The following tip changes can be tested by building VictoriaMetrics components f
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**Update note 2:** [vmalert](https://docs.victoriametrics.com/vmalert.html) adds `/vmalert/` prefix to [web urls](https://docs.victoriametrics.com/vmalert.html#web) according to [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/2825). This may affect `vmalert` instances with non-empty `-http.pathPrefix` command-line flag. After the update, configuring this flag is no longer needed. Here's [why](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/2799#issuecomment-1171392005).
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**Update note 3:** this release introduces backwards-incompatible changes to communication protocol between `vmselect` and `vmstorage` nodes in cluster version of VictoriaMetrics because of added ability to query `vmselect` data from other `vmselect` nodes - see [these docs](https://docs.victoriametrics.com/Cluster-VictoriaMetrics.html#multi-level-cluster-setup), so read requests to `vmselect` will fail until the upgrade is complete. These errors will stop after all the `vmselect` and `vmstorage` nodes are updated to the new release. It is safe to downgrade to previous releases at any time.
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* FEATURE: [vmagent](https://docs.victoriametrics.com/vmagent.html): add [azure_sd_configs](https://prometheus.io/docs/prometheus/latest/configuration/configuration/#azure_sd_config) service discovery mechanism. It allows discovering Virtual Machines at [Azure Cloud](https://azure.microsoft.com/en-us/). See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1364).
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* FEATURE: [vmalert](https://docs.victoriametrics.com/vmalert.html): deprecate alert's status link `/api/v1/<groupID>/<alertID>/status` in favour of `api/v1/alert?group_id=<group_id>&alert_id=<alert_id>"`. The old alert's status link is still supported, but will be removed in future releases. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/2825).
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* FEATURE: [cluster version of VictoriaMetrics](https://docs.victoriametrics.com/Cluster-VictoriaMetrics.html): add support for querying lower-level `vmselect` nodes from upper-level `vmselect` nodes. This makes possible to build multi-level cluster setups for global querying view and HA purposes without the need to use [Promxy](https://github.com/jacksontj/promxy). See [these docs](https://docs.victoriametrics.com/Cluster-VictoriaMetrics.html#multi-level-cluster-setup) and [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/2778).
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* FEATURE: add `-search.setLookbackToStep` command-line flag, which enables InfluxDB-like gap filling during querying. See [these docs](https://docs.victoriametrics.com/guides/migrate-from-influx.html) for details.
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@ -316,6 +316,7 @@ VictoriaMetrics can be used as drop-in replacement for Prometheus for scraping t
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* [kubernetes_sd_config](https://prometheus.io/docs/prometheus/latest/configuration/configuration/#kubernetes_sd_config)
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* [ec2_sd_config](https://prometheus.io/docs/prometheus/latest/configuration/configuration/#ec2_sd_config)
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* [gce_sd_config](https://prometheus.io/docs/prometheus/latest/configuration/configuration/#gce_sd_config)
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* [azure_sd_config](https://prometheus.io/docs/prometheus/latest/configuration/configuration/#azure_sd_config)
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* [consul_sd_config](https://prometheus.io/docs/prometheus/latest/configuration/configuration/#consul_sd_config)
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* [dns_sd_config](https://prometheus.io/docs/prometheus/latest/configuration/configuration/#dns_sd_config)
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* [openstack_sd_config](https://prometheus.io/docs/prometheus/latest/configuration/configuration/#openstack_sd_config)
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@ -2003,6 +2004,8 @@ Pass `-help` to VictoriaMetrics in order to see the list of supported command-li
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Auth key for /debug/pprof/* endpoints. It must be passed via authKey query arg. It overrides httpAuth.* settings
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-precisionBits int
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The number of precision bits to store per each value. Lower precision bits improves data compression at the cost of precision loss (default 64)
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-promscrape.azureSDCheckInterval duration
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Interval for checking for changes in Azure. This works only if azure_sd_configs is configured in '-promscrape.config' file. See https://prometheus.io/docs/prometheus/latest/configuration/configuration/#azure_sd_config for details (default 1m0s)
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-promscrape.cluster.memberNum string
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The number of number in the cluster of scrapers. It must be an unique value in the range 0 ... promscrape.cluster.membersCount-1 across scrapers in the cluster. Can be specified as pod name of Kubernetes StatefulSet - pod-name-Num, where Num is a numeric part of pod name (default "0")
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-promscrape.cluster.membersCount int
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@ -320,6 +320,7 @@ VictoriaMetrics can be used as drop-in replacement for Prometheus for scraping t
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* [kubernetes_sd_config](https://prometheus.io/docs/prometheus/latest/configuration/configuration/#kubernetes_sd_config)
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* [ec2_sd_config](https://prometheus.io/docs/prometheus/latest/configuration/configuration/#ec2_sd_config)
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* [gce_sd_config](https://prometheus.io/docs/prometheus/latest/configuration/configuration/#gce_sd_config)
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* [azure_sd_config](https://prometheus.io/docs/prometheus/latest/configuration/configuration/#azure_sd_config)
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* [consul_sd_config](https://prometheus.io/docs/prometheus/latest/configuration/configuration/#consul_sd_config)
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* [dns_sd_config](https://prometheus.io/docs/prometheus/latest/configuration/configuration/#dns_sd_config)
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* [openstack_sd_config](https://prometheus.io/docs/prometheus/latest/configuration/configuration/#openstack_sd_config)
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@ -2007,6 +2008,8 @@ Pass `-help` to VictoriaMetrics in order to see the list of supported command-li
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Auth key for /debug/pprof/* endpoints. It must be passed via authKey query arg. It overrides httpAuth.* settings
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-precisionBits int
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The number of precision bits to store per each value. Lower precision bits improves data compression at the cost of precision loss (default 64)
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-promscrape.azureSDCheckInterval duration
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Interval for checking for changes in Azure. This works only if azure_sd_configs is configured in '-promscrape.config' file. See https://prometheus.io/docs/prometheus/latest/configuration/configuration/#azure_sd_config for details (default 1m0s)
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-promscrape.cluster.memberNum string
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The number of number in the cluster of scrapers. It must be an unique value in the range 0 ... promscrape.cluster.membersCount-1 across scrapers in the cluster. Can be specified as pod name of Kubernetes StatefulSet - pod-name-Num, where Num is a numeric part of pod name (default "0")
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-promscrape.cluster.membersCount int
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@ -170,6 +170,8 @@ The following scrape types in [scrape_config](https://prometheus.io/docs/prometh
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* if `zone` arg is missing then `vmagent` uses the zone for the instance where it runs;
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* if `zone` arg equals to `"*"`, then `vmagent` discovers all the zones for the given project;
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* `zone` may contain a list of zones, i.e. `zone: [us-east1-a, us-east1-b]`.
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* `azure_sd_configs` - is for scraping the targets registered in Azure Cloud.
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See [azure_sd_config](https://prometheus.io/docs/prometheus/latest/configuration/configuration/#azure_sd_config) for details.
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* `consul_sd_configs` is for discovering and scraping targets registered in Consul. See [consul_sd_config](https://prometheus.io/docs/prometheus/latest/configuration/configuration/#consul_sd_config) for details.
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* `dns_sd_configs` is for discovering and scraping targets from DNS records (SRV, A and AAAA). See [dns_sd_config](https://prometheus.io/docs/prometheus/latest/configuration/configuration/#dns_sd_config) for details.
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* `openstack_sd_configs` is for discovering and scraping OpenStack targets. See [openstack_sd_config](https://prometheus.io/docs/prometheus/latest/configuration/configuration/#openstack_sd_config) for details. [OpenStack identity API v3](https://docs.openstack.org/api-ref/identity/v3/) is supported only.
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@ -1002,6 +1004,8 @@ See the docs at https://docs.victoriametrics.com/vmagent.html .
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Trim timestamps for OpenTSDB HTTP data to this duration. Minimum practical duration is 1ms. Higher duration (i.e. 1s) may be used for reducing disk space usage for timestamp data (default 1ms)
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-pprofAuthKey string
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Auth key for /debug/pprof/* endpoints. It must be passed via authKey query arg. It overrides httpAuth.* settings
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-promscrape.azureSDCheckInterval duration
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Interval for checking for changes in Azure. This works only if azure_sd_configs is configured in '-promscrape.config' file. See https://prometheus.io/docs/prometheus/latest/configuration/configuration/#azure_sd_config for details (default 1m0s)
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-promscrape.cluster.memberNum string
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The number of number in the cluster of scrapers. It must be an unique value in the range 0 ... promscrape.cluster.membersCount-1 across scrapers in the cluster. Can be specified as pod name of Kubernetes StatefulSet - pod-name-Num, where Num is a numeric part of pod name (default "0")
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-promscrape.cluster.membersCount int
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