Github user lvfangmin commented on the issue:
https://github.com/apache/zookeeper/pull/610
@nkalmar the child node deletion problem is still there, which should be
solved in the other PR I sent out recently:
https://github.com/apache/zookeeper/pull/605.
When revisit that, I found this code is actually won't be hit on prod,
that's why I opened the PR to remove it.---
