ptlrs opened a new pull request, #8609:
URL: https://github.com/apache/ozone/pull/8609
Please describe your PR in detail:
This PR:
1. Creates a new JMX metrics type `VolumeHealthMetrics` to capture
cumulative metrics of volumes on a datanode
2. It publishes three metrics: `TotalVolumes`, `NumHealthyVolumes` and
`NumFailedVolumes`
```json
{
"name" :
"Hadoop:service=HddsDatanode,name=VolumeHealthMetrics-DATA_VOLUME",
"modelerType" : "VolumeHealthMetrics-DATA_VOLUME",
"tag.Context" : "ozone",
"tag.Hostname" : "bf73c953196f",
"TotalVolumes" : 1,
"NumHealthyVolumes" : 1,
"NumFailedVolumes" : 0
},
```
## What is the link to the Apache JIRA
https://issues.apache.org/jira/browse/HDDS-13093
## How was this patch tested?
Manually tested by observing the jmx values in a docker cluster
CI: https://github.com/ptlrs/ozone/actions/runs/15570050891
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