unbalanced bytes and keys rate between auto scaling node with others #3098
Description
Bug Report
What did you do?
test hot region
TiDB 16 core 8GB 3 nodes
TiKV 8 core 4GB 3 nodes
go-ycsb config
workload=core
recordcount=2500000000
operationcount=100000000000
threadcount=800
insertstart=0
fieldcount=2
fieldlength=512
readallfields=true
writeallfields=true
fieldlengthdistribution=constant
readproportion=1
updateproportion=0
insertproportion=0
readmodifywriteproportion=0
scanproportion=0
maxscanlength=200
scanlengthdistribution=uniform
requestdistribution=zipfian
table=usertable
What did you expect to see?
balanced read rate bytes and keys between auto scaling node with others
What did you see instead?
unbalanced read bytes and keys rate
What version of PD are you using (pd-server -V)?
ai-sche-4ea1991
todo: test on master
todo: check auto scaling node config