bug#40704: 28.0.50; Improve and speed up (Gnus) registry saving

[Eric Abrahamsen]

Eric Abrahamsen <eric@ericabrahamsen.net> writes:

> Michael Heerdegen <michael_heerdegen@web.de> writes:
>
>> Eric Abrahamsen <eric@ericabrahamsen.net> writes:
>>
>>> > -- who has experience with this problem -- anybody?
>>
>> Maybe the scaling idea is not a good idea at all.  Even when it works as
>> we hope - the ideal factor could still depend on what kind of data is
>> saved.
>>
>>> Not me, let's hope for more respondents...
>>
>> Did you try how the increased gc-limit behaves for you btw?  Then we
>> would at least have two data points.
>
> I applied the patch a couple of days ago and have been very pleased with
> the speedup! Nothing "bad" has happened, but I haven't tried
> experimenting with different gc limits, either.

Hey let's at least stick in the modification-hook and hash-table
improvements now, there are Gnus users out there still waiting for their
registry to save! It helps noticeably with EBDB, too.