On Mon, Dec 6, 2021 at 8:03 AM Qiantan Hong <qhong@mit.edu> wrote:

> In fact I think if we can do this we don’t even need (g)dbm,
> just storing the log in plain s-exp will be performant enough.
>
> The detail gets messier. If we have a hash table whose value
> is not mutable, we only need to append a log entry every
> persistent-puthash.
>

Potentially relevant, a paper I wrote 8 years ago at a
now defunct startup: "Updating large dynamic objects
<https://docs.google.com/document/d/13g6pZhIf3gw45KG2DysDxXgtVZa0_TU3ndquiOYhyQY/edit?usp=sharing>
".

/john