[jira] [Commented] (QPID-8454) [Broker-J] Expose configured object statistics in prometheus format

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/QPID-8454?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17186563#comment-17186563 ] 

ASF GitHub Bot commented on QPID-8454:
--------------------------------------

Dedeepya-T opened a new pull request #56:
URL: https://github.com/apache/qpid-broker-j/pull/56


   The Pull Request adds the Qpid Broker integration with Prometheus
   * a new broker plugin modules qpid-prometheus-exporter is added to collect Qpid broker statistics as Prometheus metrics
   * QpidCollector implements the Prometheus Client Collector interface
   * a new Plugin interface ContentFactory is added into the broker-core
   * an implementation of ContentFactory is for Prometheus metrics
   * a new servlet is added to serve content generated with ContentFactory
   * Prometheus servlets are mapped under /metrics and /metrics/*
   * /metrics serves broker metrics
   * /metrics/<virtual host node name>/<virtual host name> serves Virtual host metrics
   


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> [Broker-J] Expose configured object statistics in prometheus format
> -------------------------------------------------------------------
>
>                 Key: QPID-8454
>                 URL: https://issues.apache.org/jira/browse/QPID-8454
>             Project: Qpid
>          Issue Type: New Feature
>          Components: Broker-J
>            Reporter: Alex Rudyy
>            Priority: Major
>             Fix For: qpid-java-broker-8.0.1, qpid-java-broker-7.1.9
>
>
> The configured object statistics currently can be retrieved using a call to method {{getStatistics()}}, configured object REST API endpoint {{/api/latest/<category>/<path>}} or query API ( {{/api/latest/querybroker/<category>}} or  {{/api/latest/queryvhost/<virtual host node name>/<virtual host name>/<category>}} ). The statistics is returned back to the caller in json format. That works for majority of uses cases. However, when it is required to integrate Qpid Broker-J with Prometheus, the Qpid users are required to implement an intermediate layer where Qpid metrics needs to be converted into a Prometheus format [https://prometheus.io/docs/concepts/data_model/].
> In order to easy the burden of integration Qpid Broker-J with Prometheus, the support for reporting statistics metrics in Prometheus format can be added into Qpid Broker-J. 
> Potentially, we can add an endpoint exposing all Qpid statistics as Prometheus metrics [https://prometheus.io/docs/concepts/metric_types/]



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