[HELIX-779] Maintenance rebalancer should not clear preference list in ideal state

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Component/s: helix-core
• Assignee: Harry Zhang
• Reporter: Harry Zhang
• Created: 01/Nov/18 17:41
• Updated: 01/Nov/18 18:47

Description

Setting list fields to empty map will prevent newly added and initially rebalanced resources during maintenance mode from getting re-balanced after cluster exists maintenance mode.
The right thing to do is to clear every preference list.

Issue Links

• links to: GitHub Pull Request #285