[Enhancement]: Choose Suitable quota and limits to protect system from heavy deletions

[XuanYang-cn]

Is there an existing issue for this?

• [X] I have searched the existing issues

What would you like to be added?

1. real time delete rate​

• a.By size 0.5MB/s​
• b.By count 60k c/s​

2.accumulation deletions​

• a. [W] l0 size 500MB​
• b. [W] l0 delete count 100M​
• c. [R] deleteBufSize​
• d. [R] deleteBufCount

Why is this needed?

No response

Anything else?

No response