The incomplete result of mapper GetSubTree/Paths

[Patrick Williams]

On Fri, May 20, 2022 at 11:14:15AM +0800, Lei Yu wrote:
 
> If mapper could not guarantee the stable result, the service calling
> mapper will have to add more complex logic to make sure it gets the
> "full and correct" result.

The issue here is around causality.  There really isn't any way to
correctly kick this logic out to applications no matter how complex you
make the implementation.

The original mapper implementation was causally ordered but this was
lost in the conversion to C/C++.  We should look at getting back to
having mapper give causal order guarantees.

-- 
Patrick Williams
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