[epic] Make caching real good · spinel-coop/rv#414

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good first issue

Metriche repository

We have several significant opportunities to improve the ways rv caches things to make the things we do often really fast:

set up the cacache crate for the other parts of rv to use
unpack ruby and gem tarballs into our cacache, so we only store each file once even if it is in multiple versions of a gem
install gems by copy-on-write hardlinking the files in that gem from cacache into the install directory, instead of unpacking tarballs
after compiling native extensions, copy the results into cacache. on future installs simply hardlink those files as well, so any particular machine will never compile a gem more than once
put git gem clones into the global cache, so you never have to do a full checkout of a git repo (eg rails) a second time

Direzione di ricerca: Concentrati sull'integrazione del crate cacache in rv, quindi implementa i collegamenti hardware da cacache alle directory di installazione per gem e estensioni native.
Tech stack: rustruby
Dominio: backenddevops
Tipo issue: Performance
Difficoltà: 3
Tempo stimato: Oltre 1 settimana
Stato attività: Nuova
Chiarezza: Chiara
Prerequisiti: RustGit
Adatta ai principianti: 40