Github user markap14 commented on the pull request:
https://github.com/apache/nifi/pull/317#issuecomment-206489781
I updated the PR with a new commit to address an issue that I ran into.
When we create 'container' nodes in ZooKeeper whose paths are not sensitive, we
will mark the node as wide-open, rather than applying ACLs. This allows us to
not have to worry about if we have state management and heartbeats using
different ACLs.
Also removed use of username/passwords from ZooKeeper configuration. This
was done because ZooKeeper indicates that these should be used only for local
testing and not for production. In production, security should be administered
via Kerberos. Username and password were always sent over the wire unencrypted.
Additionally, we are now using Apache Curator to handle Leader Election, and
Curator does not appear to support using digest auth via username/password.
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