The whole issue with concurrency is to make sure that only one instance is processing the work. The 'golden ticket' approach does not apply to work that can be done in parallel. You would only use that approach when you wanted to ensure that something
was done once and only once in an otherwise parallel environment. Make sense?
@jigneshpandya - In general, you don't set limits. That is, you have some limits like 100TB of total storage (blobs, tables, queues) per storage account (up to 5 accounts by default). Are you asking something else?