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mmap support #18

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crumblingstatue opened this issue Aug 15, 2022 · 1 comment
Open

mmap support #18

crumblingstatue opened this issue Aug 15, 2022 · 1 comment
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hard Things that are hard to implement properly, and might need considerable refactoring Open ended Issues that need lots of thinking and trying out different options before coming to a conclusion.

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@crumblingstatue
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My current idea is to have an immutable mmap with "change buffers" that hold the changes, and can grow, etc, as changes are made.
Then on save, we temporarily make the mmap mutable and write the change buffers.
@crumblingstatue
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This method will probably not be needed, because memory mapped files support copy on write, where the OS does all the difficult bookkeeping.

@crumblingstatue crumblingstatue added hard Things that are hard to implement properly, and might need considerable refactoring Open ended Issues that need lots of thinking and trying out different options before coming to a conclusion. labels Sep 3, 2022
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