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2
README.md
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@ -2104,7 +2104,7 @@ Pass `-help` to VictoriaMetrics in order to see the list of supported command-li
-promscrape.suppressScrapeErrorsDelay duration
The delay for suppressing repeated scrape errors logging per each scrape targets. This may be used for reducing the number of log lines related to scrape errors. See also -promscrape.suppressScrapeErrors
-promscrape.yandexcloudSDCheckInterval duration
Interval for checking for changes in Yandex Cloud. This works only if yandexcloud_sd_configs is configured in '-promscrape.config' file. (default 30s)
Interval for checking for changes in Yandex Cloud API. This works only if yandexcloud_sd_configs is configured in '-promscrape.config' file. (default 30s)
-pushmetrics.extraLabel array
Optional labels to add to metrics pushed to -pushmetrics.url . For example, -pushmetrics.extraLabel='instance="foo"' adds instance="foo" label to all the metrics pushed to -pushmetrics.url
Supports an array of values separated by comma or specified via multiple flags.

8
app/vmagent/README.md
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@ -1055,7 +1055,7 @@ See the docs at https://docs.victoriametrics.com/vmagent.html .
-promscrape.suppressScrapeErrorsDelay duration
The delay for suppressing repeated scrape errors logging per each scrape targets. This may be used for reducing the number of log lines related to scrape errors. See also -promscrape.suppressScrapeErrors
-promscrape.yandexcloudSDCheckInterval duration
Interval for checking for changes in Yandex Cloud. This works only if yandexcloud_sd_configs is configured in '-promscrape.config' file. (default 30s)
Interval for checking for changes in Yandex Cloud API. This works only if yandexcloud_sd_configs is configured in '-promscrape.config' file. (default 30s)
-pushmetrics.extraLabel array
Optional labels to add to metrics pushed to -pushmetrics.url . For example, -pushmetrics.extraLabel='instance="foo"' adds instance="foo" label to all the metrics pushed to -pushmetrics.url
Supports an array of values separated by comma or specified via multiple flags.
@ -1067,6 +1067,9 @@ See the docs at https://docs.victoriametrics.com/vmagent.html .
-remoteWrite.aws.accessKey array
Optional AWS AccessKey to use for the corresponding -remoteWrite.url if -remoteWrite.aws.useSigv4 is set
Supports an array of values separated by comma or specified via multiple flags.
-remoteWrite.aws.ec2Endpoint array
Optional AWS EC2 API endpoint to use for the corresponding -remoteWrite.url if -remoteWrite.aws.useSigv4 is set
Supports an array of values separated by comma or specified via multiple flags.
-remoteWrite.aws.region array
Optional AWS region to use for the corresponding -remoteWrite.url if -remoteWrite.aws.useSigv4 is set
Supports an array of values separated by comma or specified via multiple flags.
@ -1079,6 +1082,9 @@ See the docs at https://docs.victoriametrics.com/vmagent.html .
-remoteWrite.aws.service array
Optional AWS Service to use for the corresponding -remoteWrite.url if -remoteWrite.aws.useSigv4 is set. Defaults to "aps"
Supports an array of values separated by comma or specified via multiple flags.
-remoteWrite.aws.stsEndpoint array
Optional AWS STS API endpoint to use for the corresponding -remoteWrite.url if -remoteWrite.aws.useSigv4 is set
Supports an array of values separated by comma or specified via multiple flags.
-remoteWrite.aws.useSigv4 array
Enables SigV4 request signing for the corresponding -remoteWrite.url. It is expected that other -remoteWrite.aws.* command-line flags are set if sigv4 request signing is enabled
Supports array of values separated by comma or specified via multiple flags.

61
app/vmalert/README.md
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@ -622,6 +622,8 @@ command-line flags with their descriptions.
The shortlist of configuration flags is the following:
```
-clusterMode
If clusterMode is enabled, then vmalert automatically adds the tenant specified in config groups to -datasource.url, -remoteWrite.url and -remoteRead.url. See https://docs.victoriametrics.com/vmalert.html#multitenancy
-configCheckInterval duration
Interval for checking for changes in '-rule' or '-notifier.config' files. By default the checking is disabled. Send SIGHUP signal in order to force config check for changes.
-datasource.appendTypePrefix
@ -672,6 +674,10 @@ The shortlist of configuration flags is the following:
Optional TLS server name to use for connections to -datasource.url. By default, the server name from -datasource.url is used
-datasource.url string
Datasource compatible with Prometheus HTTP API. It can be single node VictoriaMetrics or vmselect URL. Required parameter. E.g. http://127.0.0.1:8428 . See also -remoteRead.disablePathAppend
-defaultTenant.graphite string
Default tenant for Graphite alerting groups. See https://docs.victoriametrics.com/vmalert.html#multitenancy
-defaultTenant.prometheus string
Default tenant for Prometheus alerting groups. See https://docs.victoriametrics.com/vmalert.html#multitenancy
-disableAlertgroupLabel
Whether to disable adding group's Name as label to generated alerts and time series.
-dryRun -rule
@ -682,6 +688,8 @@ The shortlist of configuration flags is the following:
Whether to enable reading flags from environment variables additionally to command line. Command line flag values have priority over values from environment vars. Flags are read only from command line if this flag isn't set. See https://docs.victoriametrics.com/#environment-variables for more details
-envflag.prefix string
Prefix for environment variables if -envflag.enable is set
-eula
By specifying this flag, you confirm that you have an enterprise license and accept the EULA https://victoriametrics.com/assets/VM_EULA.pdf
-evaluationInterval duration
How often to evaluate the rules (default 1m0s)
-external.alert.source string
@ -692,12 +700,47 @@ The shortlist of configuration flags is the following:
Supports an array of values separated by comma or specified via multiple flags.
-external.url string
External URL is used as alert's source for sent alerts to the notifier
-flagsAuthKey string
Auth key for /flags endpoint. It must be passed via authKey query arg. It overrides httpAuth.* settings
-fs.disableMmap
Whether to use pread() instead of mmap() for reading data files. By default mmap() is used for 64-bit arches and pread() is used for 32-bit arches, since they cannot read data files bigger than 2^32 bytes in memory. mmap() is usually faster for reading small data chunks than pread()
-http.connTimeout duration
Incoming http connections are closed after the configured timeout. This may help to spread the incoming load among a cluster of services behind a load balancer. Please note that the real timeout may be bigger by up to 10% as a protection against the thundering herd problem (default 2m0s)
-http.disableResponseCompression
Disable compression of HTTP responses to save CPU resources. By default compression is enabled to save network bandwidth
-http.idleConnTimeout duration
Timeout for incoming idle http connections (default 1m0s)
-http.maxGracefulShutdownDuration duration
The maximum duration for a graceful shutdown of the HTTP server. A highly loaded server may require increased value for a graceful shutdown (default 7s)
-http.pathPrefix string
An optional prefix to add to all the paths handled by http server. For example, if '-http.pathPrefix=/foo/bar' is set, then all the http requests will be handled on '/foo/bar/*' paths. This may be useful for proxied requests. See https://www.robustperception.io/using-external-urls-and-proxies-with-prometheus
-http.shutdownDelay duration
Optional delay before http server shutdown. During this delay, the server returns non-OK responses from /health page, so load balancers can route new requests to other servers
-httpAuth.password string
Password for HTTP Basic Auth. The authentication is disabled if -httpAuth.username is empty
-httpAuth.username string
Username for HTTP Basic Auth. The authentication is disabled if empty. See also -httpAuth.password
-httpListenAddr string
Address to listen for http connections (default ":8880")
-loggerDisableTimestamps
Whether to disable writing timestamps in logs
-loggerErrorsPerSecondLimit int
Per-second limit on the number of ERROR messages. If more than the given number of errors are emitted per second, the remaining errors are suppressed. Zero values disable the rate limit
-loggerFormat string
Format for logs. Possible values: default, json (default "default")
-loggerLevel string
Minimum level of errors to log. Possible values: INFO, WARN, ERROR, FATAL, PANIC (default "INFO")
-loggerOutput string
Output for the logs. Supported values: stderr, stdout (default "stderr")
-loggerTimezone string
Timezone to use for timestamps in logs. Timezone must be a valid IANA Time Zone. For example: America/New_York, Europe/Berlin, Etc/GMT+3 or Local (default "UTC")
-loggerWarnsPerSecondLimit int
Per-second limit on the number of WARN messages. If more than the given number of warns are emitted per second, then the remaining warns are suppressed. Zero values disable the rate limit
-memory.allowedBytes size
Allowed size of system memory VictoriaMetrics caches may occupy. This option overrides -memory.allowedPercent if set to a non-zero value. Too low a value may increase the cache miss rate usually resulting in higher CPU and disk IO usage. Too high a value may evict too much data from OS page cache resulting in higher disk IO usage
Supports the following optional suffixes for size values: KB, MB, GB, KiB, MiB, GiB (default 0)
-memory.allowedPercent float
Allowed percent of system memory VictoriaMetrics caches may occupy. See also -memory.allowedBytes. Too low a value may increase cache miss rate usually resulting in higher CPU and disk IO usage. Too high a value may evict too much data from OS page cache which will result in higher disk IO usage (default 60)
-metricsAuthKey string
Auth key for /metrics endpoint. It must be passed via authKey query arg. It overrides httpAuth.* settings
-notifier.basicAuth.password array
@ -754,6 +797,24 @@ The shortlist of configuration flags is the following:
Supports an array of values separated by comma or specified via multiple flags.
-pprofAuthKey string
Auth key for /debug/pprof/* endpoints. It must be passed via authKey query arg. It overrides httpAuth.* settings
-promscrape.consul.waitTime duration
Wait time used by Consul service discovery. Default value is used if not set
-promscrape.consulSDCheckInterval duration
Interval for checking for changes in Consul. This works only if consul_sd_configs is configured in '-promscrape.config' file. See https://prometheus.io/docs/prometheus/latest/configuration/configuration/#consul_sd_config for details (default 30s)
-promscrape.discovery.concurrency int
The maximum number of concurrent requests to Prometheus autodiscovery API (Consul, Kubernetes, etc.) (default 100)
-promscrape.discovery.concurrentWaitTime duration
The maximum duration for waiting to perform API requests if more than -promscrape.discovery.concurrency requests are simultaneously performed (default 1m0s)
-promscrape.dnsSDCheckInterval duration
Interval for checking for changes in dns. This works only if dns_sd_configs is configured in '-promscrape.config' file. See https://prometheus.io/docs/prometheus/latest/configuration/configuration/#dns_sd_config for details (default 30s)
-pushmetrics.extraLabel array
Optional labels to add to metrics pushed to -pushmetrics.url . For example, -pushmetrics.extraLabel='instance="foo"' adds instance="foo" label to all the metrics pushed to -pushmetrics.url
Supports an array of values separated by comma or specified via multiple flags.
-pushmetrics.interval duration
Interval for pushing metrics to -pushmetrics.url (default 10s)
-pushmetrics.url array
Optional URL to push metrics exposed at /metrics page. See https://docs.victoriametrics.com/#push-metrics . By default metrics exposed at /metrics page aren't pushed to any remote storage
Supports an array of values separated by comma or specified via multiple flags.
-remoteRead.basicAuth.password string
Optional basic auth password for -remoteRead.url
-remoteRead.basicAuth.passwordFile string

2
docs/README.md
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@ -2104,7 +2104,7 @@ Pass `-help` to VictoriaMetrics in order to see the list of supported command-li
-promscrape.suppressScrapeErrorsDelay duration
The delay for suppressing repeated scrape errors logging per each scrape targets. This may be used for reducing the number of log lines related to scrape errors. See also -promscrape.suppressScrapeErrors
-promscrape.yandexcloudSDCheckInterval duration
Interval for checking for changes in Yandex Cloud. This works only if yandexcloud_sd_configs is configured in '-promscrape.config' file. (default 30s)
Interval for checking for changes in Yandex Cloud API. This works only if yandexcloud_sd_configs is configured in '-promscrape.config' file. (default 30s)
-pushmetrics.extraLabel array
Optional labels to add to metrics pushed to -pushmetrics.url . For example, -pushmetrics.extraLabel='instance="foo"' adds instance="foo" label to all the metrics pushed to -pushmetrics.url
Supports an array of values separated by comma or specified via multiple flags.

2
docs/Single-server-VictoriaMetrics.md
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@ -2108,7 +2108,7 @@ Pass `-help` to VictoriaMetrics in order to see the list of supported command-li
-promscrape.suppressScrapeErrorsDelay duration
The delay for suppressing repeated scrape errors logging per each scrape targets. This may be used for reducing the number of log lines related to scrape errors. See also -promscrape.suppressScrapeErrors
-promscrape.yandexcloudSDCheckInterval duration
Interval for checking for changes in Yandex Cloud. This works only if yandexcloud_sd_configs is configured in '-promscrape.config' file. (default 30s)
Interval for checking for changes in Yandex Cloud API. This works only if yandexcloud_sd_configs is configured in '-promscrape.config' file. (default 30s)
-pushmetrics.extraLabel array
Optional labels to add to metrics pushed to -pushmetrics.url . For example, -pushmetrics.extraLabel='instance="foo"' adds instance="foo" label to all the metrics pushed to -pushmetrics.url
Supports an array of values separated by comma or specified via multiple flags.

8
docs/vmagent.md
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@ -1059,7 +1059,7 @@ See the docs at https://docs.victoriametrics.com/vmagent.html .
-promscrape.suppressScrapeErrorsDelay duration
The delay for suppressing repeated scrape errors logging per each scrape targets. This may be used for reducing the number of log lines related to scrape errors. See also -promscrape.suppressScrapeErrors
-promscrape.yandexcloudSDCheckInterval duration
Interval for checking for changes in Yandex Cloud. This works only if yandexcloud_sd_configs is configured in '-promscrape.config' file. (default 30s)
Interval for checking for changes in Yandex Cloud API. This works only if yandexcloud_sd_configs is configured in '-promscrape.config' file. (default 30s)
-pushmetrics.extraLabel array
Optional labels to add to metrics pushed to -pushmetrics.url . For example, -pushmetrics.extraLabel='instance="foo"' adds instance="foo" label to all the metrics pushed to -pushmetrics.url
Supports an array of values separated by comma or specified via multiple flags.
@ -1071,6 +1071,9 @@ See the docs at https://docs.victoriametrics.com/vmagent.html .
-remoteWrite.aws.accessKey array
Optional AWS AccessKey to use for the corresponding -remoteWrite.url if -remoteWrite.aws.useSigv4 is set
Supports an array of values separated by comma or specified via multiple flags.
-remoteWrite.aws.ec2Endpoint array
Optional AWS EC2 API endpoint to use for the corresponding -remoteWrite.url if -remoteWrite.aws.useSigv4 is set
Supports an array of values separated by comma or specified via multiple flags.
-remoteWrite.aws.region array
Optional AWS region to use for the corresponding -remoteWrite.url if -remoteWrite.aws.useSigv4 is set
Supports an array of values separated by comma or specified via multiple flags.
@ -1083,6 +1086,9 @@ See the docs at https://docs.victoriametrics.com/vmagent.html .
-remoteWrite.aws.service array
Optional AWS Service to use for the corresponding -remoteWrite.url if -remoteWrite.aws.useSigv4 is set. Defaults to "aps"
Supports an array of values separated by comma or specified via multiple flags.
-remoteWrite.aws.stsEndpoint array
Optional AWS STS API endpoint to use for the corresponding -remoteWrite.url if -remoteWrite.aws.useSigv4 is set
Supports an array of values separated by comma or specified via multiple flags.
-remoteWrite.aws.useSigv4 array
Enables SigV4 request signing for the corresponding -remoteWrite.url. It is expected that other -remoteWrite.aws.* command-line flags are set if sigv4 request signing is enabled
Supports array of values separated by comma or specified via multiple flags.

61
docs/vmalert.md
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@ -626,6 +626,8 @@ command-line flags with their descriptions.
The shortlist of configuration flags is the following:
```
-clusterMode
If clusterMode is enabled, then vmalert automatically adds the tenant specified in config groups to -datasource.url, -remoteWrite.url and -remoteRead.url. See https://docs.victoriametrics.com/vmalert.html#multitenancy
-configCheckInterval duration
Interval for checking for changes in '-rule' or '-notifier.config' files. By default the checking is disabled. Send SIGHUP signal in order to force config check for changes.
-datasource.appendTypePrefix
@ -676,6 +678,10 @@ The shortlist of configuration flags is the following:
Optional TLS server name to use for connections to -datasource.url. By default, the server name from -datasource.url is used
-datasource.url string
Datasource compatible with Prometheus HTTP API. It can be single node VictoriaMetrics or vmselect URL. Required parameter. E.g. http://127.0.0.1:8428 . See also -remoteRead.disablePathAppend
-defaultTenant.graphite string
Default tenant for Graphite alerting groups. See https://docs.victoriametrics.com/vmalert.html#multitenancy
-defaultTenant.prometheus string
Default tenant for Prometheus alerting groups. See https://docs.victoriametrics.com/vmalert.html#multitenancy
-disableAlertgroupLabel
Whether to disable adding group's Name as label to generated alerts and time series.
-dryRun -rule
@ -686,6 +692,8 @@ The shortlist of configuration flags is the following:
Whether to enable reading flags from environment variables additionally to command line. Command line flag values have priority over values from environment vars. Flags are read only from command line if this flag isn't set. See https://docs.victoriametrics.com/#environment-variables for more details
-envflag.prefix string
Prefix for environment variables if -envflag.enable is set
-eula
By specifying this flag, you confirm that you have an enterprise license and accept the EULA https://victoriametrics.com/assets/VM_EULA.pdf
-evaluationInterval duration
How often to evaluate the rules (default 1m0s)
-external.alert.source string
@ -696,12 +704,47 @@ The shortlist of configuration flags is the following:
Supports an array of values separated by comma or specified via multiple flags.
-external.url string
External URL is used as alert's source for sent alerts to the notifier
-flagsAuthKey string
Auth key for /flags endpoint. It must be passed via authKey query arg. It overrides httpAuth.* settings
-fs.disableMmap
Whether to use pread() instead of mmap() for reading data files. By default mmap() is used for 64-bit arches and pread() is used for 32-bit arches, since they cannot read data files bigger than 2^32 bytes in memory. mmap() is usually faster for reading small data chunks than pread()
-http.connTimeout duration
Incoming http connections are closed after the configured timeout. This may help to spread the incoming load among a cluster of services behind a load balancer. Please note that the real timeout may be bigger by up to 10% as a protection against the thundering herd problem (default 2m0s)
-http.disableResponseCompression
Disable compression of HTTP responses to save CPU resources. By default compression is enabled to save network bandwidth
-http.idleConnTimeout duration
Timeout for incoming idle http connections (default 1m0s)
-http.maxGracefulShutdownDuration duration
The maximum duration for a graceful shutdown of the HTTP server. A highly loaded server may require increased value for a graceful shutdown (default 7s)
-http.pathPrefix string
An optional prefix to add to all the paths handled by http server. For example, if '-http.pathPrefix=/foo/bar' is set, then all the http requests will be handled on '/foo/bar/*' paths. This may be useful for proxied requests. See https://www.robustperception.io/using-external-urls-and-proxies-with-prometheus
-http.shutdownDelay duration
Optional delay before http server shutdown. During this delay, the server returns non-OK responses from /health page, so load balancers can route new requests to other servers
-httpAuth.password string
Password for HTTP Basic Auth. The authentication is disabled if -httpAuth.username is empty
-httpAuth.username string
Username for HTTP Basic Auth. The authentication is disabled if empty. See also -httpAuth.password
-httpListenAddr string
Address to listen for http connections (default ":8880")
-loggerDisableTimestamps
Whether to disable writing timestamps in logs
-loggerErrorsPerSecondLimit int
Per-second limit on the number of ERROR messages. If more than the given number of errors are emitted per second, the remaining errors are suppressed. Zero values disable the rate limit
-loggerFormat string
Format for logs. Possible values: default, json (default "default")
-loggerLevel string
Minimum level of errors to log. Possible values: INFO, WARN, ERROR, FATAL, PANIC (default "INFO")
-loggerOutput string
Output for the logs. Supported values: stderr, stdout (default "stderr")
-loggerTimezone string
Timezone to use for timestamps in logs. Timezone must be a valid IANA Time Zone. For example: America/New_York, Europe/Berlin, Etc/GMT+3 or Local (default "UTC")
-loggerWarnsPerSecondLimit int
Per-second limit on the number of WARN messages. If more than the given number of warns are emitted per second, then the remaining warns are suppressed. Zero values disable the rate limit
-memory.allowedBytes size
Allowed size of system memory VictoriaMetrics caches may occupy. This option overrides -memory.allowedPercent if set to a non-zero value. Too low a value may increase the cache miss rate usually resulting in higher CPU and disk IO usage. Too high a value may evict too much data from OS page cache resulting in higher disk IO usage
Supports the following optional suffixes for size values: KB, MB, GB, KiB, MiB, GiB (default 0)
-memory.allowedPercent float
Allowed percent of system memory VictoriaMetrics caches may occupy. See also -memory.allowedBytes. Too low a value may increase cache miss rate usually resulting in higher CPU and disk IO usage. Too high a value may evict too much data from OS page cache which will result in higher disk IO usage (default 60)
-metricsAuthKey string
Auth key for /metrics endpoint. It must be passed via authKey query arg. It overrides httpAuth.* settings
-notifier.basicAuth.password array
@ -758,6 +801,24 @@ The shortlist of configuration flags is the following:
Supports an array of values separated by comma or specified via multiple flags.
-pprofAuthKey string
Auth key for /debug/pprof/* endpoints. It must be passed via authKey query arg. It overrides httpAuth.* settings
-promscrape.consul.waitTime duration
Wait time used by Consul service discovery. Default value is used if not set
-promscrape.consulSDCheckInterval duration
Interval for checking for changes in Consul. This works only if consul_sd_configs is configured in '-promscrape.config' file. See https://prometheus.io/docs/prometheus/latest/configuration/configuration/#consul_sd_config for details (default 30s)
-promscrape.discovery.concurrency int
The maximum number of concurrent requests to Prometheus autodiscovery API (Consul, Kubernetes, etc.) (default 100)
-promscrape.discovery.concurrentWaitTime duration
The maximum duration for waiting to perform API requests if more than -promscrape.discovery.concurrency requests are simultaneously performed (default 1m0s)
-promscrape.dnsSDCheckInterval duration
Interval for checking for changes in dns. This works only if dns_sd_configs is configured in '-promscrape.config' file. See https://prometheus.io/docs/prometheus/latest/configuration/configuration/#dns_sd_config for details (default 30s)
-pushmetrics.extraLabel array
Optional labels to add to metrics pushed to -pushmetrics.url . For example, -pushmetrics.extraLabel='instance="foo"' adds instance="foo" label to all the metrics pushed to -pushmetrics.url
Supports an array of values separated by comma or specified via multiple flags.
-pushmetrics.interval duration
Interval for pushing metrics to -pushmetrics.url (default 10s)
-pushmetrics.url array
Optional URL to push metrics exposed at /metrics page. See https://docs.victoriametrics.com/#push-metrics . By default metrics exposed at /metrics page aren't pushed to any remote storage
Supports an array of values separated by comma or specified via multiple flags.
-remoteRead.basicAuth.password string
Optional basic auth password for -remoteRead.url
-remoteRead.basicAuth.passwordFile string