Upgrade QoS tier for the registry

[0xmichalis]

Similar to what was done for the router in #8495

@miminar @legionus @soltysh

[legionus]

Now we can't change limits after they have been set for the container. We can't be sure that the limit is reached. In this case, the user will not be able to increase it.

@derekwaynecarr Do you have any plans to make the limits modifiable ?

[soltysh]

@legionus not quite true. Since you're setting this at a PodTemplate level of a DeploymentConfig. All is required in that case is a re-deployment of a registry to update to new values. Having reasonable startup values is valuable here.

[legionus]

@soltysh What happened if your registry don't have persistent storage (no s3, no swift) and you've reached the limit? It seems to me a bad idea to fix the limit by re-deployment.

I can not calculate the upper limit. It depends on the load.

[0xmichalis]

I am not sure if anyone is going to run a registry w/o persistent storage.
I think I like Maciej's proposal of updating the DeploymentConfig if the
limit is hit.

On Tue, Jul 19, 2016 at 10:33 AM, Alexey Gladkov notifications@github.com
wrote:

@soltysh https://github.com/soltysh What happened if your registry
don't have persistent storage (no s3, no swift) and you've reached the
limit? It seems to me a bad idea to fix the limit by re-deployment.

I can not calculate the upper limit. It depends on the load.

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[soltysh]

@soltysh What happened if your registry don't have persistent storage (no s3, no swift) and you've reached the limit? It seems to me a bad idea to fix the limit by re-deployment.

But the referenced PR sets just CPU and memory, so storage does not count here. We can discuss the average load with operations, for example. Besides every admin will be always able to change it at any moment.