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You should never use products like this where you are completely vendor-locked and will be unable to switch easily to another provider. I did this mistake before and we used SQL Azure Federations (cool & cheap autosharding for SQL Server), then Microsoft decided to discontinue it and provide only very expensive up-scale version of SQL Server instead. We spend months to migrate our product to PostgreSQL... and this is…
I did this mistake with Parse. The open source version released doesn't have full features and we have run into a few bugs which created a lot of issues. It's better to stick with open source stack. I like what Amazon is doing with AWS with services like RDS and ElastiCache. If one carefully selects the services on AWS, there is almost zero vendor lock in. Google also had hiked the AppEngine price in Sept. 2011 which…
This is a hard lesson each person learns on their own.