[Development] Gerrit Upgrade

Jukka Jokiniva Jukka.Jokiniva at qt.io
Tue May 7 11:02:19 CEST 2019


´╗┐On 06/05/2019, 22.46, "Development on behalf of Sergio Ahumada" <development-bounces at qt-project.org on behalf of sahumada at texla.cl> wrote:
>
>    On 06.05.19 14:16, Frederik Gladhorn wrote:
>    > We aim to do the Upgrade to Gerrit 2.16.7 around the 20th of May (yes, that's
>    > a Monday, we assume Gerrit will be down for the full day that day).
>
>    Did you already try migrating the repos from the old Gerrit to the new
>    one? Is that why it would take the whole day?
>    
>    If so, did you have to migrate step by step 2.7->2.8->...->2.15->2.16 or
>    directly from 2.7->2.16?
    
Yes, we have been testing the data migration from old Gerrit to the new version couple of times.
We need to migrate step by step, some versions we can skip but there are seven versions to be installed.

Installing the versions takes about one hour and complete reindex of the data about 2 hours. Then there are other steps to do as well.
So if things go smoothly the minimum down time is around 4 hours. But no promises, be prepared that the tool is offline the whole day.

   --Jukka




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