[Enhancement]: Change all const magic number into paramtable item

[congqixia]

Is there an existing issue for this?

• [X] I have searched the existing issues

What would you like to be added?

There are lots of magic number const in current code base of Milvus We shall change most of them into configurable param items

Why is this needed?

Hard-coded magic number is hard to maintain and user will have trouble when default value meet some problems Some paramtable item could be change in runtime for better user experience

Anything else?

No response