.TH prometheus 1 prometheus, version 2.7.1+ds (branch: debian/sid, revision: 2.7.1+ds-3+b11)
.SH "NAME"
prometheus - The Prometheus monitoring server
.SH "SYNOPSIS"
.TP
\fBprometheus [<flags>]\fR

.SH "DESCRIPTION"
The Prometheus monitoring server
.SH "OPTIONS"
.TP
\fB-h, --help\fR
Show context-sensitive help (also try --help-long and --help-man).
.TP
\fB--version\fR
Show application version.
.TP
\fB--config.file="/etc/prometheus/prometheus.yml"\fR
Prometheus configuration file path.
.TP
\fB--web.listen-address="0.0.0.0:9090"\fR
Address to listen on for UI, API, and telemetry.
.TP
\fB--web.read-timeout=5m\fR
Maximum duration before timing out read of the request, and closing idle connections.
.TP
\fB--web.max-connections=512\fR
Maximum number of simultaneous connections.
.TP
\fB--web.external-url=<URL>\fR
The URL under which Prometheus is externally reachable (for example, if Prometheus is served via a reverse proxy). Used for generating relative and absolute links back to Prometheus itself. If the URL has a path portion, it will be used to prefix all HTTP endpoints served by Prometheus. If omitted, relevant URL components will be derived automatically.
.TP
\fB--web.route-prefix=<path>\fR
Prefix for the internal routes of web endpoints. Defaults to path of --web.external-url.
.TP
\fB--web.local-assets="/usr/share/prometheus/web/"\fR
Path to static asset/templates directory.
.TP
\fB--web.user-assets=<path>\fR
Path to user asset directory, available at /user.
.TP
\fB--web.enable-lifecycle\fR
Enable shutdown and reload via HTTP request.
.TP
\fB--web.enable-admin-api\fR
Enable API endpoints for admin control actions.
.TP
\fB--web.console.templates="/etc/prometheus/consoles"\fR
Path to the console template directory, available at /consoles.
.TP
\fB--web.console.libraries="/etc/prometheus/console_libraries"\fR
Path to the console library directory.
.TP
\fB--web.page-title="Prometheus Time Series Collection and Processing Server"\fR
Document title of Prometheus instance.
.TP
\fB--storage.tsdb.path="/var/lib/prometheus/metrics2/"\fR
Base path for metrics storage.
.TP
\fB--storage.tsdb.retention=15d\fR
[DEPRECATED] How long to retain samples in storage. This flag has been deprecated, use "storage.tsdb.retention.time" instead
.TP
\fB--storage.tsdb.retention.time=15d\fR
How long to retain samples in storage. Overrides "storage.tsdb.retention" if this flag is set to anything other than default.
.TP
\fB--storage.tsdb.retention.size=0\fR
[EXPERIMENTAL] Maximum number of bytes that can be stored for blocks. Units supported: KB, MB, GB, TB, PB. This flag is experimental and can be changed in future releases.
.TP
\fB--storage.tsdb.use-lockfile\fR
Create a lockfile in data directory.
.TP
\fB--storage.remote.flush-deadline=<duration>\fR
How long to wait flushing sample on shutdown or config reload.
.TP
\fB--storage.remote.read-sample-limit=5e7\fR
Maximum overall number of samples to return via the remote read interface, in a single query. 0 means no limit.
.TP
\fB--storage.remote.read-concurrent-limit=10\fR
Maximum number of concurrent remote read calls. 0 means no limit.
.TP
\fB--rules.alert.for-outage-tolerance=1h\fR
Max time to tolerate prometheus outage for restoring 'for' state of alert.
.TP
\fB--rules.alert.for-grace-period=10m\fR
Minimum duration between alert and restored 'for' state. This is maintained only for alerts with configured 'for' time greater than grace period.
.TP
\fB--rules.alert.resend-delay=1m\fR
Minimum amount of time to wait before resending an alert to Alertmanager.
.TP
\fB--alertmanager.notification-queue-capacity=10000\fR
The capacity of the queue for pending Alertmanager notifications.
.TP
\fB--alertmanager.timeout=10s\fR
Timeout for sending alerts to Alertmanager.
.TP
\fB--query.lookback-delta=5m\fR
The delta difference allowed for retrieving metrics during expression evaluations.
.TP
\fB--query.timeout=2m\fR
Maximum time a query may take before being aborted.
.TP
\fB--query.max-concurrency=20\fR
Maximum number of queries executed concurrently.
.TP
\fB--query.max-samples=50000000\fR
Maximum number of samples a single query can load into memory. Note that queries will fail if they would load more samples than this into memory, so this also limits the number of samples a query can return.
.TP
\fB--web.cors.origin=".*"\fR
Regex for CORS origin. It is fully anchored. Eg. 'https?://(domain1|domain2)\.com'
.TP
\fB--log.level=info\fR
Only log messages with the given severity or above. One of: [debug, info, warn, error]
.TP
\fB--log.format=logfmt\fR
Output format of log messages. One of: [logfmt, json]