[teiid-issues] [JBoss JIRA] (TEIIDSB-23) Document image generation options

[Steven Hawkins (Jira)]

    [ https://issues.jboss.org/browse/TEIIDSB-23?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13695614#comment-13695614 ] 

Steven Hawkins commented on TEIIDSB-23:
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> I also added how to create the instance

The 3 scale team is promoting a prometheus instance per openshift cluster, then federating those instances to a master aggregator.  I'm not clear yet on the ramifications of having a proliferation of instances - one per namespace, or even one per deployment type...

The 30 day retention is also an active topic.  Eventually a time-series db will be included in the mix for longer term storage (the initial target is a year), but the may need to be some aggregation/retention rules.

> I have not modified the "relabel" section either in the template from that of Syndesis. Take look and modify and add whatever you need to complete the example with instructions, so that we can showcase this example as a demo.

We need to validate that our pods at host:8778/metrics are exposing the metrics https://github.com/teiid/teiid-openshift-examples/blob/0a4383e7c9c351453230c53b9ab7f0d8881c7b51/rdbms-example/src/main/fabric8/deploymentconfig.yml#L25 

Based upon that we can change the https://github.com/teiid/teiid-openshift-examples/blob/0a4383e7c9c351453230c53b9ab7f0d8881c7b51/prometheus/prometheus.yml#L159 relabel line. 

> so that we can showcase this example as a demo

The next thing will be some grafana dashboard.  The general approach it seems is to keep things as focused as possible (3-4 metrics per board), and a small number of metrics overall - as too much can overwhelm the 30 day retention schedule.

I'm not sure yet about the expectation for grafana instances or the delivery for dashboard definitions.

> Document image generation options
> ---------------------------------
>
>                 Key: TEIIDSB-23
>                 URL: https://issues.jboss.org/browse/TEIIDSB-23
>             Project: Teiid Spring Boot
>          Issue Type: Task
>            Reporter: Steven Hawkins
>            Priority: Major
>             Fix For: Q119
>
>
> We need to document / validate all relevant image options:
> - inclusion of agent bond or other mechanism for jmx exposure to prometheus.  There may also be related service annotations
> - annotations for 3scale for rest and openapi exposure of odata
> - any common config options - disk buffer memory, max active plans / engine threads / connection pool sizes.  Ideally the buffer manager heap should auto-configure and we should probably always use off-heap for the fixed memory buffer.



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