log backup status is normal and lag more and more after injection pd leader io delay 500ms last for 10mins and then recover #18087
Description
Bug Report
What version of TiKV are you using?
master
What operating system and CPU are you using?
Steps to reproduce
What did you expect?
What did happened?
The task is removed from range_router before it handle the fatal error. Therefore, the task won't be selected again if it failed to handle the fatal error and retry to schedule the fatal error.