On Wed, Nov 15, 2023 at 01:57:00PM +0100, Johannes Schindelin wrote:

- The scenario I want to address (and that I assumed the patch series
  under discussion tried to address, too) is a very specific, server-side
  scenario where many `merge-tree`/`replay` runs produce _many_ loose
  objects. Quite a fraction of those are produced by processes that run
  into a SIGTERM-enforced timeout, and the `tmp_objdir` approach would
  naturally help: unneeded loose objects would not even be added to the
  primary object database but be reaped with the temporary object
  databases.

Thanks, this paragraph helped me to understand why you are interested in
tmp_objdir in the first place (as opposed to just doing a gc-auto repack
after finishing the merge).

-Peff