Experimental Jenkins monitoring

[Sandro Bonazzola]

On Fri, Apr 15, 2016 at 12:24 AM, Nadav Goldin <ngoldin at redhat.com> wrote:

> Hi,
> I've created an experimental dashboard for Jenkins at our Grafana instance:
> http://graphite.phx.ovirt.org/dashboard/db/jenkins-monitoring
> (if you don't have an account, you can enrol with github/google)
>
>
Pretty nice!


> currently it collects the following metrics:
> 1) How many jobs in the Build Queue are waiting per slaves' label:
>
> for instance: if there are 4 builds of a job that is restricted to 'el7'
> and 2 builds of another job
> which is restricted to 'el7' in the build queue we will see 6 for 'el7' in
> the first graph.
> 'No label' sums jobs which are waiting but are unrestricted.
>
> 2) How many slaves are idle per label.
> note that the slave's labels are contained in the job's labels, but not
> vice versa, as
> we allow regex expressions such as (fc21 || fc22 ). right now it treats
> them as simple
> strings.
>
> 3) Total number of online/offline/idle slaves
>
> besides the normal monitoring, it can help us:
> 1) minimize the difference between 'idle' slaves per label and jobs
> waiting in the build queue per label.
> this might be caused by unnecessary restrictions on the label, or maybe by
> the
> 'Throttle Concurrent Builds' plugin.
> 2) decide how many VMs and which OS to install on the new hosts.
> 3) in the future, once we have the 'slave pools' implemented, we could
> implement
> auto-scaling based on thresholds or some other function.
>
>
> 'experimental' - as it still needs to be tested for stability(it is based
> on python-jenkins
> and graphite-send) and also more metrics can be added(maybe avg running
> time
> per job? builds per hour? ) - will be happy to hear.
>
> I plan later to pack it all into independent fabric tasks(i.e. fab
> do.jenkins.slaves.show)
>
>
> Nadav
>
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>


-- 
Sandro Bonazzola
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