On Wed, Oct 30, 2024 at 10:14:08PM -0400, Derrick Stolee wrote: > On 10/29/24 2:07 PM, Taylor Blau wrote: > > On Mon, Oct 28, 2024 at 12:54:04PM -0700, Jonathan Tan wrote: > > > Is the thinking there that we care mostly about 'git push' and 'git > > repack' on the client-side? > > > > I don't think it's unreasonable necessarily, but I would add that > > client-side users definitely do use bitmaps (though not delta islands), > > either when working in a bare repository (where bitmaps are the default) > > or when using 'git gc' (and/or through 'git maintenance') when > > 'repack.writeBitmaps' is enabled. > I suppose some users do use bitmaps, but in my experience, client-side > pushes are slower with bitmaps because a typical target branch is > faster to compute by doing a commit walk, at least when the bitmaps are > older than the new commits in the topic branch. This may be outdated by > now, as it has been a few years since I did a client-side test of > bitmaps. All true, though it's hard to estimate the size of "some". I share your intuition that bitmaps are often a drag on performance for the client-side because doing a pure commit walk is often faster, especially if the client has a reasonably up-to-date commit graph. Thanks, Taylor
