[Hawkular-dev] Hawkular Metrics 0.11.0 - Release

[Stefan Negrea]

Hello Everybody,

I am happy to announce release 0.11.0 of Hawkular Metrics. This is a large release anchored by query API enhancements, large under-the-cover refactoring of the metric models, and support for deploying the project on Wildfly 10.


Here is a list of major changes in this release:

1) Query API Updates
  * Limit and Sort Order for raw data queries (HWKMETRICS-334, HWKMETRICS-62, HWKMETRICS-51)
   - limit and order parameters are now available for raw data queries on all metric types
   - limit - integer representing the maximum number of raw data points to be returned
   - order - either ASC or DESC and based on the timestamp of the data point
   - if both are specified than limit is applied from the start of the sorted list
   - for defaults and additional details please visit:
        https://github.com/hawkular/hawkular-metrics/blob/release/0.11.0/api/metrics-api-jaxrs/src/main/rest-doc/base.adoc
  
  * Ability to query all metric raw or aggregate metric data (HWKMETRICS-331)
   - fromEarliest query parameter was added to allow querying for all available data for a metric
   - this allows querying all data without specifying start and end
   - data retention for the metric is taken account, so the max time span is from `now` to `now - data retention`

  * Fixed the url for querying rate data across multiple metrics (HWKMETRICS-332)

  * Filtering metrics by id (HWKMETRICS-234)
   - with tag filtering enabled, it is now possible add id filtering via id parameter
   - id parameter supports regex


2) Internal Updates
  * Model refactoring (HWKMETRICS-326, HWKMETRICS-323)
   - this was a large effort to consolidate the internal domain model without changing any of the user APIs
   - this change will help the documentation efforts for future releases as well as a consistent data structure for the REST APIs


3) Hawkular Integration
  * The integration with Hawkular has now been updated to use asynchronous messages (HWKMETRICS-337)


4) Wildfly 10 - Deploying & Running
  * Deploying and running the project on Wildfly 10 is now fully supported
  * IMPORTANT - Support for Wildfly 9 is deprecated and will be completely dropped in the next release



Github Release:
https://github.com/hawkular/hawkular-metrics/releases/tag/0.11.0

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

Jira release tracker:
https://issues.jboss.org/browse/HWKMETRICS/fixforversion/12328918



Hawkular Metrics Clients
  * Ruby: https://github.com/hawkular/hawkular-client-ruby
  * Python: https://github.com/hawkular/hawkular-client-python
  * Go: https://github.com/hawkular/hawkular-client-go



A big "Thank you" goes to John Sanda, Thomas Segismont, Mike Thompson, Matt Wringe, Michael Burman, Libor Zoubek, and Heiko Rupp for their project contributions.


Thank you,
Stefan Negrea

Software Engineer