Hi.
I want to rename filed without downtime or downtimeless.
Already I have fileds belows
- cpu.total.pct
 - cpu.total.max_pct
 
I want to rename filed with same value.
before                                               after
- cpu.total.pct ==> instance.count
 - cpu.total.max_pct ==> instance.max_count
 
Please help me.
Thanks in advance.