> if you have (say) 1M orders a day, you aren't able to put that data in Salesforce anymore
Could you clarify in what way you can't put 1M orders a day into Salesforce?
Could you clarify in what way you can't put 1M orders a day into Salesforce?
If you go beyond that, you talk to Salesforce about it, because they can make adjustments for you - and you can likely afford it.
Salesforce will bend over backwards and make internal engineering changes for large customers, including adjusting governor limits, dedicating hardware and running backend queries directly for the customer.