TSO follower proxy still effective after disabling it #8709
Description
Bug Report
What did you do?
In TiDB, while running any workload, enable TSO follower proxy and then disable it via system variable..
What did you expect to see?
The TSO follower proxy behavior stops after disabling TSO follower proxy
What did you see instead?
TSO follower looks still effective after disabling it. This can make the performace slighly lower than that before enabling it.
What version of PD are you using (pd-server -V)?
TiDB: a21d9ea
TiKV: 18546c296bc70e4abf2ab144b1f3048dbc47024e
PD: 982fa22
(The issue seems to be in pd client referenced by TiDB, not pd server).