Michael Haggerty <mhag...@alum.mit.edu> writes: > Following lots of work to extract the `packed_ref_store` into a > separate module and decouple it from the `files_ref_store`, it is now > possible to fundamentally change how the `packed-refs` file is read. > > * `mmap()` the whole file rather than `read()`ing it. > > * Instead of parsing the complete file at once into a `ref_cache`, > parse the references out of the file contents on demand. > > * Use a binary search to find, very quickly, the reference or group of > references that needs to be read. Parse *only* those references out > of the file contents, without creating in-memory data structures at > all.
Oooh, juicy and very exciting. > ... > This branch applies on top of mh/packed-ref-transactions. It can also > be obtained from my git fork [1] as branch `mmap-packed-refs`. > > Michael > > [1] https://github.com/mhagger/git Thanks for working on this. I expect that it will take more than a few hours for me to pick it up, but I am looking forward to it.
