A large volume of requests combined with slow response time will significantly increase the memory usage of the PD
Open
affects-8.1
report/customer
type/enhancement
- Dominant language
- Go
- Stars
- 1.2k
- Forks
- 783
- Avg merge
- 5d 21h
- Merged PRs (30d)
- 36
Description
## Bug Report
### What did you do?
In a 1 million region cluster, simultaneously start 600,000 ScanRegions requests to PD.
### What did you expect to see?
Memory is maintained within an acceptable range.
### What did you see instead?
Memory usage has increased by several times.

### What version of PD are you using (`pd-server -V`)?
Contributor guide
Assessment
This issue has not been assessed yet.