[Labs-announce] Horizon upgrade tomorrow (Tuesday), 16:00 UTC (DONE)

Andrew Bogott abogott at wikimedia.org
Tue Feb 14 16:33:52 UTC 2017

This upgrade is now complete.  I see a few immediate clumsy spots in the 
GUI that I'm going to work on ironing out today, but everything should 
now be usable.  Let me know if you run into trouble!


On 2/13/17 11:58 AM, Andrew Bogott wrote:
>     Tomorrow I'm going to upgrade https://horizon.wikimedia.org/ from 
> version 'Liberty' to version 'Mitaka'.  I've scheduled an hour-long 
> window for the upgrade, although the actual switch-over should be much 
> shorter.  Downtime should be minimal; I'll be clearing caches as part 
> of the upgrade, so login sessions will be interrupted, and performance 
> may suffer a bit while the cache is cold.
>     The Mitaka version contains a lot of new Javascript front-end 
> code.  Some of the new interfaces (in particular the one for creating 
> new VMs) are a bit strange and will take some getting used to.  
> Overall, though, the Mitaka upgrade is an improvement, and I have high 
> hopes that it will considerably improve performance.
>     I've tested the new version extensively, but there may well be 
> breakages around the corners of some of our custom features, so don't 
> hesitate to notify me if you see new, bad behavior.
> -Andrew

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