<p>I'm pretty new to Prometheus and according to my understanding, there are many metrics already available in Prometheus. But I'm not able to see &quot;http_requests_total&quot; which is used in many examples in the list. Do we need to configure anything in order to avail these HTTP metrics?</p>
<p>My requirement is to calculate the no: of HTTP requests hitting the server at a time. So http_request_total  or http_requests_in_flight metrics would be of great help for usage.</p>
<p>Can someone please guide me here on what to do next?</p>

Savitha
<p>The <a href="https://prometheus.io" rel="nofollow noreferrer">documentation</a> is extensive and helpful.</p>
<p>See <a href="https://prometheus.io/docs/prometheus/latest/installation/#using-docker" rel="nofollow noreferrer">installation</a></p>
<p>If you have Docker, you can simply run:</p>
<pre class="lang-sh prettyprint-override"><code>docker run \
--interactive --tty --rm \
--publish=9090:9090 \
prom/prometheus
</code></pre>
<p>And then browse: <a href="http://localhost:9090" rel="nofollow noreferrer">http://localhost:9090</a>.</p>
<p>The default config is set to scrape <a href="http://localhost:9090/targets" rel="nofollow noreferrer">itself</a>.</p>
<p>You can list these <a href="http://localhost:9090/metrics" rel="nofollow noreferrer">metrics</a>.</p>
<p>And graph <a href="http://localhost:9090/graph?g0.expr=prometheus_http_requests_total&amp;g0.tab=1&amp;g0.stacked=0&amp;g0.range_input=1h" rel="nofollow noreferrer"><code>prometheus_http_requests_total</code></a> them.</p>
