[GitHub] [pulsar] volfco added a comment to the discussion: geo replicated subscribers

[GitBox]

GitHub user volfco added a comment to the discussion: geo replicated subscribers

@merlimat Sure.

Prometheus Metrics:
```# TYPE pulsar_replicated_subscriptions_pending_snapshots gauge
pulsar_replicated_subscriptions_pending_snapshots{cluster="iad"} 0.0
# TYPE pulsar_replicated_subscriptions_snapshot_ms summary
pulsar_replicated_subscriptions_snapshot_ms_count{cluster="iad"} 964.0
pulsar_replicated_subscriptions_snapshot_ms_sum{cluster="iad"} 54404.0
```

![image](https://user-images.githubusercontent.com/433045/67811484-223e0000-fa5a-11e9-88ea-10690045c793.png)

IAD on the left, AUS on the right. I waited 30 seconds between stopping IAD and 
starting AUS.

I assume I configured log4j2.yaml wrong, as I go only the following message:
```16:35:44.433 [pulsar-load-manager-4-1] INFO  
org.apache.pulsar.broker.loadbalance.impl.ModularLoadManagerImpl - Only 1 
broker available: no load shedding will be performed
16:35:44.555 [pulsar-inactivity-monitor-24-1] INFO  
org.apache.pulsar.broker.service.AbstractReplicator - 
[persistent://public/default/my-topic][iad -> aus] Disconnect replicator at 
position 19:583 with backlog 0
16:35:44.597 [pulsar-io-22-1] INFO  org.apache.pulsar.client.impl.ProducerImpl 
- [persistent://public/default/my-topic] [pulsar.repl.iad] Closed Producer
```

log4j2.yaml config:
```
Configuration:
  Loggers:
    Logger:
      - name: 
org.apache.pulsar.broker.service.persistent.{ReplicatedSubscriptionsController,ReplicatedSubscriptionSnapshotCache,ReplicatedSubscriptionsSnapshotBuilder}
        level: debug
```

GitHub link: 
https://github.com/apache/pulsar/discussions/18983#discussioncomment-4447454

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