Hi Andrei,

The short answer is "You cannot".  The closest you can get is 
copy-in/copy-out, zero-copy sharing would make garbage collection 
impossible because data would be shared between heaps.

[Self-Promotion Warning]
I have written a native C addon (GitHub 
<https://github.com/SyntheticSemantics/ems>, npm 
<https://www.npmjs.com/package/ems>) for Node called Extended Memory 
Semantics (EMS) that implements the copy-in/copy-out object sharing model, 
and also manages atomic access to the data.  It was designed for a 
persistent data model more than streaming, but may still be useful to you 
depending on how WORM your data is.

            -Jace


 

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