KIP-911 — Add source tag to Mirror source metric
Accepted Kafka 3.5 MirrorMakerMetrics
Adds a `source` tag to `MirrorSourceConnector` metrics (alongside the existing `target`, `topic`, `partition` tags) to identify the source cluster alias. With `IdentityReplicationPolicy`, topic names do not contain the source alias, making source attribution impossible in multi-cluster mirroring setups.
Details
| Author | Mickael Maison |
| Status | Accepted |
| Kafka Version | 3.5 |
| JIRA | KAFKA-14740 |
| Wiki | View on Apache Wiki |
| Created | 2023-02-23 |
| Last Modified | 2023-03-21 |
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