Open Stack

On 12/04/2018 10:09 AM, Matt Riedemann wrote:
> On 12/4/2018 8:14 AM, Flavio Percoco wrote:
>> This is the current solution, which has allowed me to move forward
>> with the work I'm doing. Regardless, I would like us to discuss this.
>> I'd rather have the limit in Nova increased than adding a dependency
>> on another service that would, very likely, only be used for this
>> specific use case.
> 
> As far as the DB limit, it's not just the actual instances.user_data 
> table that matters [1] it's also the build_requests.instance column [2] 
> and the latter is the bigger issue since it's an entire Instance object, 
> including the user_data plus whatever else (like the flavor, metadata 
> and system_metadata) serialized into that single MEDIUMTEXT field. 
> That's what worries me about blowing up that field if we increase the 
> API limit on user_data.

How prescient. :)

http://lists.openstack.org/pipermail/openstack-discuss/2018-December/000523.html

Best,
-jay