GitHub user lhotari added a comment to the discussion: Geo-Replication: how to 
sync topics and policies between clusters

> If the global config store is not used, how would topics/policies be synced 
> between peered clusters?

@slawrencemd good questions.

A topic will get created by the replicator that pushes messages from the source 
cluster to the target cluster. There's no absolute need to replicate the 
policies. For synchronizing policies, there's an alternative for global config 
store as part of ["PIP-136: Sync Pulsar policies across multiple 
clouds"](https://github.com/apache/pulsar/issues/16424). I haven't used that so 
I'm not sure if it's fully implemented and documented. 
["PIP-188: Cluster migration or Blue-Green cluster deployment support in 
Pulsar"](https://github.com/apache/pulsar/issues/16551) might also contain some 
changes related to replicating topics and policies across clusters.


GitHub link: 
https://github.com/apache/pulsar/discussions/22278#discussioncomment-9059421

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