Zookeeper and metadata storage

Why do we need Zookeeper and metadata storage? What are the functionalities of each?
Why cant we use zookeeper only for metadata also?

Can you please explain in detail

Hi Satya,

Check these if you haven’t already.

https://druid.apache.org/docs/latest/design/index.html#external-dependencies

https://druid.apache.org/docs/latest/dependencies/metadata-storage.html

https://druid.apache.org/docs/latest/dependencies/zookeeper.html

Thanks,

Sashi