Hi Alexander, we are working on re-working the SLA to incorporate how we
handle each of the APIs.  Thanks for mentioning this specific circumstance
as we should account for it!

Greg

On Thu, Jun 9, 2011 at 12:30 PM, Alexander Konovalenko <alex...@gmail.com>wrote:

> The prospective SLA [1] states that it does not apply to any
> performance issue related to apps "that use and handle errors received
> from any API that is not an App Engine Datastore API".
>
> [1] http://code.google.com/appengine/sla.html
>
> I'd like my app to degrade gracefully when App Engine experiences
> problems. For instance, if the blobstore or the images service becomes
> unavailable, I'd rather catch any relevant exceptions and keep the
> site operational with limited functionality than spit 500 server
> errors for any page.
>
> Will that approach make my app ineligible for service credits
> according to the SLA if one of the App Engine services (such as the
> blobstore or the images service) experiences significant downtime?
> Will my app become eligible if it doesn't try to handle any GAE
> exceptions but just fails completely for every request until the
> broken service becomes available again?
>
> Thanks,
>  -- Alexander
>

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