[Hawkular-dev] Hawkular Metrics 0.8.0 - Release & Beyond

[Thomas Heute]

Congrats !

On Tue, Oct 13, 2015 at 7:25 PM, Stefan Negrea <snegrea at redhat.com> wrote:

> Hello Everybody,
>
> I am happy to announce release 0.8.0 of Hawkular Metrics. This short
> schedule release is anchored by major enhancements for metrics query
> aggregation, updated container support, and performance and stability
> enhancements.
>
>
> Here is a list of major changes in this release:
>
> 1) Counters
>   * Counter rates computations now avoid counter value resets
> (HWKMETRICS-218)
>   * Counter rates are now aligned with the actual counter data used to
> calculate the rate (HWKMETRICS-284)
>
> 2) Aggregate Metric Statistics
>   * Added support for aggregate statistics based on multiple metrics
>   * Gauges, counters, and counter rates are supported
>   * Two methods of aggregation are currently available
>     * uniform: data from multiple metrics is bucketed as originating from
> a single source and then statistics are computed on the entire set
>     * stacked: statistics are first computed for every matching metric and
> then those statistics are stacked (added)
>     * by default uniform statistics are enabled, stacking is enabled by
> stacked=true query parameter
>   * The end-points are /gauges/data , /counters/data, /counters/data/rate
>   * There is support to query by either tags or metrics ids; but not both
>   * Relevant JIRAs: HWKMETRICS-292, HWKMETRICS-263, HWKMETRICS-264
>
> 3) Data storage updates
>   * Schema changes will require rebuilding the database
>   * Reduced data storage footprint by limiting the size of metric type
> (HWKMETRICS-301)
>
> 4) Container support
>   * Secure connections are enabled between Hawkular Metrics and the
> Heapster sink (HWKMETRICS-217)
>   * cqlsh can be access directly from within the Cassandra docker
> (HWKMETRICS-260)
>   * Various updates to the Heapster sink to support latest Hawkular
> Metrics features: HWKMETRICS-285, HWKMETRICS-273, HWKMETRICS-276,
> HWKMETRICS-292
>
>
> Github Release:
> https://github.com/hawkular/hawkular-metrics/releases/tag/0.8.0
>
> 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/12328157
>
> 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
>
>
> Hawkular Metrics 0.9.0 & Beyond:
> 1) Continuous agggregation - this has been a long term project goal and we
> are getting closer with refining the requirements and infrastructure
> 2) Improved docker and kubernetes support - this is a long term goal for
> the project
> 3) Improved tag support - to add bulk tag operations and tag queries
> 4) Improved aggregate downsampling for multiple metrics - the project has
> now a base with recently added stacking and uniform support; the goal is to
> expand the aggregation methods
>
>
> A big "Thank you" goes to John Sanda, Thomas Segismont, Mike Thompson,
> Matt Wringe, Michael Burman, Libor Zoubek, Jirka Kremser, and Heiko Rupp
> for their project contributions.
>
>
> Thank you,
> Stefan Negrea
>
> Software Engineer
>
>
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