hgruck opened a new pull request #2073:
URL: https://github.com/apache/ozone/pull/2073
## What changes were proposed in this pull request?
Currently, PrometheusMetricsSink adds **# TYPE** definition to each metrics
line even though the metrics are repeatedly appearing in the endpoint due to
differing in labels, e.g.
`# TYPE hdds_dispatcher_counter counter
hdds_dispatcher_counter{type="PutBlock",hostname="gruck-ozone-1.gruck-ozone.root.hwx.site"}
0
...
# TYPE hdds_dispatcher_counter counter
hdds_dispatcher_counter{type="ReadContainer",hostname="gruck-ozone-1.gruck-ozone.root.hwx.site"}
0`
Expected format is:
`# TYPE hdds_dispatcher_counter counter
hdds_dispatcher_counter{type="PutBlock",hostname="gruck-ozone-1.gruck-ozone.root.hwx.site"}
0
hdds_dispatcher_counter{type="ReadContainer",hostname="gruck-ozone-1.gruck-ozone.root.hwx.site"}
0`
## What is the link to the Apache JIRA
https://issues.apache.org/jira/browse/HDDS-5010
## How was this patch tested?
Unit test added + manually.
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