nickva commented on PR #5603:
URL: https://github.com/apache/couchdb/pull/5603#issuecomment-3257085192
I tried a few more schedules:
```erlang
-define(INTERVALS, [
?D,
?M,
?Y, ?Y * 2, ?Y * 4, ?Y * 8, ?Y * 16
]).
```
```
3000-01-01T00:00:00Z : 995808
3113-08-09T00:00:00Z : 720
3113-09-08T00:00:00Z : 384
3113-09-24T00:00:00Z : 336
3113-10-08T00:00:00Z : 192
3113-10-16T00:00:00Z : 192
3113-10-24T00:00:00Z : 192
3113-11-01T00:00:00Z : 144
3113-11-07T00:00:00Z : 96
3113-11-11T00:00:00Z : 96
3113-11-15T00:00:00Z : 96
3113-11-19T00:00:00Z : 96
3113-11-23T00:00:00Z : 96
3113-11-27T00:00:00Z : 96
3113-12-01T00:00:00Z : 96
3113-12-05T00:00:00Z : 48
3113-12-07T00:00:00Z : 48
3113-12-09T00:00:00Z : 48
3113-12-11T00:00:00Z : 48
3113-12-13T00:00:00Z : 48
3113-12-15T00:00:00Z : 48
3113-12-17T00:00:00Z : 48
3113-12-19T00:00:00Z : 48
3113-12-21T00:00:00Z : 48
3113-12-23T00:00:00Z : 48
3113-12-25T00:00:00Z : 48
3113-12-27T00:00:00Z : 48
3113-12-29T00:00:00Z : 24
3113-12-30T00:00:00Z : 24
3113-12-31T00:00:00Z : 24
3114-01-01T00:00:00Z : 24
3114-01-02T00:00:00Z : 24
3114-01-03T00:00:00Z : 24
3114-01-04T00:00:00Z : 24
3114-01-05T00:00:00Z : 24
3114-01-06T00:00:00Z : 24
3114-01-07T00:00:00Z : 24
3114-01-08T00:00:00Z : 24
3114-01-09T00:00:00Z : 24
3114-01-10T00:00:00Z : 24
3114-01-11T00:00:00Z : 24
3114-01-12T00:00:00Z : 24
3114-01-13T00:00:00Z : 24
3114-01-14T00:00:00Z : 24
3114-01-15T00:00:00Z : 24
3114-01-16T00:00:00Z : 24
3114-01-17T00:00:00Z : 24
3114-01-18T00:00:00Z : 24
3114-01-19T00:00:00Z : 24
3114-01-20T00:00:00Z : 24
3114-01-21T00:00:00Z : 24
3114-01-22T00:00:00Z : 24
3114-01-23T00:00:00Z : 24
3114-01-24T00:00:00Z : 24
3114-01-25T00:00:00Z : 24
3114-01-26T00:00:00Z : 24
3114-01-27T00:00:00Z : 24
3114-01-28T00:00:00Z : 24
3114-01-29T00:00:00Z : 24
3114-01-30T00:00:00Z : 16
```
We get more than 30 days then about 6 months. So a lot more days but then
everything sort of gets squashed into the oldest bin after two years. To keep
the algorithm simple we do simple pair-wise merging so sharp jumps from days to
months don't work as well -- would need another merge strategy (a custom clause
to merge days to months, months to years). I had actually started that way but
then the algorithm had more special cases and was a bit more fiddly.
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