DenisPolo commented on code in PR #13648:
URL: https://github.com/apache/ignite/pull/13648#discussion_r4333546594
##########
docs/_docs/monitoring-metrics/new-metrics-system.adoc:
##########
@@ -218,6 +218,207 @@ Configuration parameters:
* `sendNodeId` - if enabled, a tag with the Ignite node id is added to each
metric.
* `sendConsistentId` - if enabled, a tag with the Ignite node consistent id is
added to each metric.
+==== Prometheus HTTP and REST Endpoints
+
+`OpenCensusMetricExporterSpi` writes metrics to the OpenCensus API, but does
not start an HTTP endpoint itself.
+To expose the metrics in the Prometheus format, register the Prometheus
collector and start its HTTP server on a port
+that is different from the Ignite REST API port:
+
+[tabs]
+--
+tab:XML[]
+[source, xml]
+----
+<bean id="prometheusStatsCollector"
class="org.springframework.beans.factory.config.MethodInvokingBean">
+ <property name="staticMethod"
+
value="io.opencensus.exporter.stats.prometheus.PrometheusStatsCollector.createAndRegister"/>
+</bean>
+
+<bean id="prometheusHttpServer"
class="io.prometheus.client.exporter.HTTPServer">
+ <!-- Prometheus metrics: http://<node_host>:8082/ -->
+ <constructor-arg type="String" value="0.0.0.0"/>
+ <constructor-arg type="int" value="8082"/>
+ <constructor-arg type="boolean" value="true"/>
+</bean>
+
+<bean id="ignite.cfg"
class="org.apache.ignite.configuration.IgniteConfiguration">
+
+ <property name="metricExporterSpi">
+ <list>
+ <bean
class="org.apache.ignite.spi.metric.opencensus.OpenCensusMetricExporterSpi">
+ <property name="period" value="10000"/>
+ <property name="sendNodeId" value="true"/>
+ <property name="sendInstanceName" value="true"/>
+ <property name="sendConsistentId" value="true"/>
+ </bean>
+ </list>
+ </property>
+
+</bean>
+----
+tab:Java[]
+[source, java]
+----
+PrometheusStatsCollector.createAndRegister();
+
+// Prometheus metrics: http://<node_host>:8082/
+HTTPServer metricsServer = new HTTPServer("0.0.0.0", 8082, true);
+
+OpenCensusMetricExporterSpi exporter = new OpenCensusMetricExporterSpi();
+exporter.setPeriod(1_000);
+exporter.setSendNodeId(true);
+exporter.setSendInstanceName(true);
+exporter.setSendConsistentId(true);
+
+IgniteConfiguration cfg = new IgniteConfiguration();
+cfg.setMetricExporterSpi(exporter);
+----
+--
+
+The examples require the `ignite-opencensus` module,
`opencensus-exporter-stats-prometheus`, and Prometheus
`simpleclient_httpserver` as `*.jar` libraries or dependencies:
+
+[source,xml]
+----
+ <dependencies>
+
+ <dependency>
+ <groupId>org.apache.ignite</groupId>
+ <artifactId>ignite-opencensus</artifactId>
+ <version>${ignite.version}</version>
+ </dependency>
+
+ <dependency>
+ <groupId>io.opencensus</groupId>
+ <artifactId>opencensus-exporter-stats-prometheus</artifactId>
+ <version>${opencensus.version}</version>
+ </dependency>
+
+ <dependency>
+ <groupId>io.prometheus</groupId>
+ <artifactId>simpleclient_httpserver</artifactId>
+ <version>${simpleclient.version}</version>
Review Comment:
Deleted
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