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| <span class="title">Apache James Distributed Server</span> |
| <span class="version">3.8.1 SNAPSHOT</span> |
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| <div class="title"><a href="../index.html">Apache James Distributed Server</a></div> |
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| <a href="../../../james-project/3.8.1/index.html">3.8.1 SNAPSHOT</a> |
| </li> |
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| <a href="../../../james-project/3.6.0/index.html">3.6.0 Snapshot</a> |
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| <a href="../../../james-site/latest/index.html">latest</a> |
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| <article class="doc"> |
| <div class="sect1"> |
| <h2 id="_logs_and_metrics"><a class="anchor" href="#_logs_and_metrics"></a>Logs and Metrics</h2> |
| <div class="sectionbody"> |
| <div class="sect2"> |
| <h3 id="_logs"><a class="anchor" href="#_logs"></a>Logs</h3> |
| <div class="paragraph"> |
| <p>James exposes its logs on the console. Then a fluent bit instance scraps |
| and collects them, before being indexed and used by Kibana, with nice |
| search possibilities.</p> |
| </div> |
| <div class="paragraph"> |
| <p>The way James exposes its logs on the console is defined in the |
| <code>logback.xml</code> configuration file. James currently exposes logs in JSON |
| format using Jackson Json formatter.</p> |
| </div> |
| </div> |
| <div class="sect2"> |
| <h3 id="_metrics"><a class="anchor" href="#_metrics"></a>Metrics</h3> |
| <div class="paragraph"> |
| <p>James exposes its metrics over an HTTP Webadmin endpoint, something like |
| <code><a href="https://james-web-admin/metrics" class="bare">https://james-web-admin/metrics</a></code>. Those metrics can be scraped by |
| Prometheus before being visualized on Grafana.</p> |
| </div> |
| <div class="paragraph"> |
| <p>This Helm chart exposes James metrics through Prometheus |
| <a href="https://github.com/prometheus-operator/prometheus-operator/blob/master/Documentation/user-guides/getting-started.md#include-servicemonitors">ServiceMonitor</a>.</p> |
| </div> |
| <div class="paragraph"> |
| <p>You can import the dashboards for James metrics in Grafana defined |
| <a href="https://github.com/apache/james-project/tree/master/server/grafana-reporting/prometheus-datasource">here</a>.</p> |
| </div> |
| <div class="paragraph"> |
| <p>Be aware that those dashboards still need more work, as we used to |
| export metrics to Elasticsearch not long ago, which required to redo all |
| dashboards. Some enhancements are highly possible and encouraged.</p> |
| </div> |
| <div class="paragraph"> |
| <p>Read more about <a href="../operate/metrics.html" class="xref page">Metrics in James</a>.</p> |
| </div> |
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