[Hawkular-dev] Hawkular Metrics 0.23.0 - Release

[Stefan Negrea]

Hello,

I am happy to announce release 0.23.0 of Hawkular Metrics. This release is
anchored by performance and stability improvements.

Here is a list of major changes:

   - *Performance*
      - Prevent BusyPoolException under heavy load due no available
      connection and queue reaching max size of 256 (HWKMETRICS-542
      <https://issues.jboss.org/browse/HWKMETRICS-542>)
      - Gatling load tests have a new option (loops) to specify the number
      of requests per client (HWKMETRICS-559
      <https://issues.jboss.org/browse/HWKMETRICS-559>)
   - *Deployment*
      - Resolved an issue with resource-env-ref in component war (
      HWKMETRICS-541 <https://issues.jboss.org/browse/HWKMETRICS-541>)
      - Updated packaging to support deployments on WildFly 10.1.0 (
      HWKMETRICS-558 <https://issues.jboss.org/browse/HWKMETRICS-558>)
   - *REST API*
      - Updated CORS validation to be applied prior to processing the
      request; this solves an issue where some content is still returned even
      thought a bad request status is returned (HWKMETRICS-554
      <https://issues.jboss.org/browse/HWKMETRICS-554>)
   - *Internal Monitoring*
      - Hostname is now part of the metric id when creating and storing
      internal metrics (HWKMETRICS-555
      <https://issues.jboss.org/browse/HWKMETRICS-555>)
   - *Hawkular Alerting - Updates*
      - Added support for newer condition types to the email plugin (
      HWKALERTS-208 <https://issues.jboss.org/browse/HWKALERTS-208>)
      - Allow ExternalCondition to be fired on Event submission; external
      conditions can now be matched via Event and Data submissions (
      HWKALERTS-207 <https://issues.jboss.org/browse/HWKALERTS-207>)
      - Added new NelsonCondition for native Nelson Rule detection; a brand
      new condition type to perform automatic Nelson Rule detection of
      misbehaving metrics. (HWKALERTS-209
      <https://issues.jboss.org/browse/HWKALERTS-209>)

*Hawkular Alerting - included*

   - Version 1.5.0
   <https://issues.jboss.org/projects/HWKALERTS/versions/12332918>
   - Project details and repository: Github
   <https://github.com/hawkular/hawkular-alerts>
   - Documentation: REST API
   <http://www.hawkular.org/docs/rest/rest-alerts.html>, Examples
   <https://github.com/hawkular/hawkular-alerts/tree/master/examples>,
Developer
   Guide
   <http://www.hawkular.org/community/docs/developer-guide/alerts.html>

*Hawkular Metrics Clients*

   - Python: https://github.com/hawkular/hawkular-client-python
   - Go: https://github.com/hawkular/hawkular-client-go
   - Ruby: https://github.com/hawkular/hawkular-client-ruby
   - Java: https://github.com/hawkular/hawkular-client-java



*Release Links*

Github Release:
https://github.com/hawkular/hawkular-metrics/releases/tag/0.23.0

JBoss Nexus Maven artifacts:
http://origin-repository.jboss.org/nexus/content/repositorie
s/public/org/hawkular/metrics/

Jira release tracker:
https://issues.jboss.org/projects/HWKMETRICS/versions/12332805

A big "Thank you" goes to John Sanda, Matt Wringe, Michael Burman, Joel
Takvorian, Jay Shaughnessy, Lucas Ponce, and Heiko Rupp for their project
contributions.


Thank you,
Stefan Negrea
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