[DISCUSS] PIP-222: Add CommandPartitionedTopicMetadata metrics

[Jiuming Tao]

Hi pulsar community,

I’ve opened a PIP to discuss: PIP-222: Add CommandPartitionedTopicMetadata 
metrics

The PIP link: https://github.com/apache/pulsar/issues/18319 
<https://github.com/apache/pulsar/issues/18319>

Thanks,
Tao Jiuming