[Development] Gerrit Upgrade

Alexandru Croitor alexandru.croitor at qt.io
Tue May 7 11:09:39 CEST 2019


I hope you have at least two backups in two different locations. : )

> On 7. May 2019, at 11:02, Jukka Jokiniva <Jukka.Jokiniva at qt.io> wrote:
> 
> 
> ´╗┐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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