Vault: "snapshot" cooker

marked this issue as related to swh-graph#2220

marked this issue as related to swh-storage#3552 (closed)

This is implemented by the git-bare cooker, but it's not publicly available for now.

In particular, swh-storage#3552 (closed) is a blocker to cook many snapshots.

added state:wip label

that one is mostly fixed, the current blocker to cook snapshots (with reasonable performance) is swh-graph#2220

Designs