Retirement of Reviewboard - Transition to Phabricator

Ben Cooksley bcooksley at
Thu Aug 24 09:07:49 UTC 2017

Hi all,

The following is Sysadmin's suggested plan for the retirement of
Reviewboard now that Phabricator is fully up and running for hosting
of code reviews.

Phase 1: Commences September 2: All repositories are closed for
accepting new reviews on Reviewboard. A notice is added to the top of
the main page indicating that reviews should now be done on

Phase 2: Commences September 16: Login to Reviewboard is disabled, and
final backups are taken. A static copy of Reviewboard is generated and
published online, and the software itself is taken down.

The vast majority of projects should now be migrated to Phabricator,
with only historical reviews needing to be cleaned up.

Note that due to how Reviewboard stores diffs and reproduces them for
use, some reviews may have decayed and may no longer be readable. This
is due to short-hashes which are used by Git/Reviewboard in diffs now
having collisions with other commits which previously did not exist.
Unfortunately there is nothing we can do about this.

Any comments on the above?


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