[ENHANCEMENT] Optimize Model Artifact Download

[truddy0]

What would you like to be added?

Optimize downloading model artifact if an identical model artifact already exists in the node.
Develop a way for users to enroll in this optimization mechanism.

Why is this needed?

1. It will ease the constraint of the node's disk capacity
2. It will enhance the performance of adding a new model

Completion requirements

This enhancement requires the following artifacts:

• Design doc (if significant feature)
• API change
• Docs update
• Tests

Can you help us implement this enhancement?

Let us know if you're interested in contributing!

• Yes, I can contribute
• No, but I'm available for testing
• No