Is there a way of storing files greater than 64MB in a stream?

Question

For Example if I have a 90MB file to be stored on a stream.

Answer 1

In this case you would split the file into pieces at the application layer, store it in several stream items, then put it back together when reading.

Comments

Thankyou for replying. But is there a way to modify core files to increase the limit?

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Well, the maximum values for blockchain parameters are all in the file src/chainparams/paramlist.h and you're welcome to play with them. We're interested to know what you find but we can't take responsibility since increasing these values is untested from our perspective.