Key | Default | Type | Description
--- | --- | --- | ---
##### metrics.reporter.prometheus.deleteOnShutdown | true | Boolean | Specifies whether to delete metrics from the PushGateway on shutdown. Flink will try its best to delete the metrics but this is not guaranteed. See here for more details.
##### metrics.reporter.prometheus.filterLabelValueCharacters | true | Boolean | Specifies whether to filter label value characters. If enabled, all characters not matching [a-zA-Z0-9:_] will be removed, otherwise no characters will be removed. Before disabling this option please ensure that your label values meet the Prometheus requirements.
##### metrics.reporter.prometheus.groupingKey | (none) | String | Specifies the grouping key which is the group and global labels of all metrics. The label name and value are separated by '=', and labels are separated by ';', e.g., `k1=v1;k2=v2`. Please ensure that your grouping key meets the Prometheus requirements.
##### metrics.reporter.prometheus.hostUrl | (none) | String | The PushGateway server host URL including scheme, host name, and port.
##### metrics.reporter.prometheus.jobName | (none) | String | The job name under which metrics will be pushed
##### metrics.reporter.prometheus.randomJobNameSuffix | true | Boolean | Specifies whether a random suffix should be appended to the job name.