Initial hack for ractor (incomplete).

[ioquatix]

Description

It should be possible to support Ractor like multi-process. The main benefit is improved memory usage. The impacts are worse GC & isolation.

Types of Changes

• New feature.

Testing

• [ ] I added tests for my changes.
• [ ] I tested my changes locally.
• [ ] I tested my changes in staging.
• [ ] I tested my changes in production.