老师，帮忙看下。

WARNING: This file is auto-generated. Do not edit! All your modification will be overwritten!

You can use ‘tiup cluster edit-config’ and ‘tiup cluster reload’ to update the configuration

All configuration items you want to change can be added to:

server_configs:

tidb:

aa.b1.c3: value

aa.b2.c4: value

mem-quota-query = 4294967296
new_collations_enabled_on_first_bootstrap = true

[log]
slow-threshold = 300