Re: in 28, massive slowness in capture, folding, and org-show-context

[Ihor Radchenko]

Samuel Wales <samologist@gmail.com> writes:

> 18018  99% - command-execute
> ...
>        17488  96%          - org-capture
>        17434  96%           - org-capture-place-template
>        17398  96%            - org-fold-show-all
>        17370  96%             - org-fold-region
>        11415  63%              - org-fold-core-get-regions
>        11371  62%               - org-fold-core-next-folding-state-change
> ******* FACT colophon
> i am running org 9.7.6.  i recently upgraded to emacs 28
> from 27.  simultaneously bookworm from bullseye.  was
> running 9.7.6 without major issues before bookworm.
>
> emacs -q with default org without my .org files is
> relatively ok.  no changes to my .emacs that seem relevant,
> none to capture.  i did disable some capture hooks i had in
> hopes of fixing hte issue, but they did not.
>
> when i am running a normal large rsync that i always ran
> under bullseye, all keystrokes in emacs can take seconds.  i
> believe vlc can be slower too.

Looks like you have too many text properties in buffers, which makes
redisplay slow.

Try setting `org-fold-core--optimise-for-huge-buffers' to '(grab-invisible)
If that does not help, try settqing `org-fold-core-style' to 'overlays.

-- 
Ihor Radchenko // yantar92,
Org mode contributor,
Learn more about Org mode at <https://orgmode.org/>.
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