feat: data block cache refill without disk cache

[MrCroxx]

Is your feature request related to a problem? Please describe.

Currently, RW only supports data block cache refill while the disk cache is enabled.

In some user cases, they also need data block cache refill with the in-memory cache only.

Describe the solution you'd like

No response

Describe alternatives you've considered

No response

Additional context

No response