zentol commented on a change in pull request #9517: [FLINK-13779][metrics]
PrometheusPushGatewayReporter support push metrics with groupingKey
URL: https://github.com/apache/flink/pull/9517#discussion_r319761105
##########
File path:
flink-metrics/flink-metrics-prometheus/src/main/java/org/apache/flink/metrics/prometheus/PrometheusPushGatewayReporterOptions.java
##########
@@ -63,4 +63,14 @@
" Before disabling this option please ensure
that your" +
" label values meet the %s.",
LinkElement.link("https://prometheus.io/docs/concepts/data_model/#metric-names-and-labels";,
"Prometheus requirements"))
.build());
+
+ public static final ConfigOption<String> GROUPING_KEY = ConfigOptions
+ .key("groupingKey")
+ .defaultValue("")
+ .withDescription(Description.builder()
+ .text("Specifies the grouping key which is the
group and global labels of all metrics." +
+ " The label name and value is separated
with '=', and labels are separated with ';', e.g. k1=v1;k2=v2." +
Review comment:
```suggestion
" The label name and value are
separated by '=', labels are separated by ';', e.g., k1=v1;k2=v2." +
```
Bonus points for replacing the example with a `code` element.
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