stack commented on HBASE-16835:

bq. Yeah but I think we still need to fetch the root region location from zk 

Didn't want to go there (smile).

It would be easy to do a tidier zk layout. There are a few tools that read zk 
directly to figure stuff but we can deprecate the old znodes and force a move 
to the new APIs asking master for info they need instead.

> Revisit the zookeeper usage at client side
> ------------------------------------------
>                 Key: HBASE-16835
>                 URL: https://issues.apache.org/jira/browse/HBASE-16835
>             Project: HBase
>          Issue Type: Sub-task
>            Reporter: Duo Zhang
> Watcher or not.
> Curator or not.
> Keep connection or not.
> ...

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