Open Stack

On 01/24/2014 11:47 AM, Clint Byrum wrote:
> Excerpts from Tim Bell's message of 2014-01-24 10:32:26 -0800:
>> We are reviewing options between MySQL and MariaDB. RHEL 7 beta seems to have MariaDB as the default MySQL-like DB.
>>
>> Can someone summarise the status of the OpenStack in terms of
>>
>>
>> -        What MySQL-flavor is/are currently tested in the gate ?
>>
>> -        What is supported by the current code ?
>>
>> -        Is there an agreed long term direction and if there are transitions, when will these occur ?
>>
> Tim it is worth noting that, for the most part, MariaDB 5.5 is going to
> work 99.9% the same as MySQL 5.5, which is, I believe, what is tested
> in the gate (since it is just what you get when apt-get installing
> mysql-server on Ubuntu). I have only heard of a few optimizer quirks in
> MariaDB that make it any different to vanilla MySQL.
>
> I do think that while we've been able to make some assumptions about
> this compatibility for a while, with MariaDB becoming a proper fork and
> not just a derivative, we will likely need to start testing both.
My understanding is later versions of MySQL change the on disk format 
and possibly some other compatibility functionality, making testing both 
a necessity since Red Hat ships Maria and Ubuntu plans to stick with MySQL.
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